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Materials Data on AgSb2F12 by Materials Project

Ag(SbF6)2 crystallizes in the triclinic P-1 space group. The structure is two-dimensional and consists of one Ag(SbF6)2 sheet oriented in the (0, 0, 1) direction. Ag2+ is bonded to six F1- atoms to form AgF6 octahedra that share corners with six equivalent SbF6 octahedra. The corner-sharing octahedra tilt angles range from 32–45°. There are a spread of Ag–F bond distances ranging from 2.16–2.56 Å. Sb5+ is bonded to six F1- atoms to form SbF6 octahedra that share corners with three equivalent AgF6 octahedra. The corner-sharing octahedra tilt angles range from 32–45°. There are a spread of Sb–F bond distances ranging from 1.88–2.02 Å. There are six inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Ag2+ and one Sb5+ atom. In the second F1- site, F1- is bonded in a single-bond geometry to one Sb5+ atom. In the third F1- site, F1- is bonded in a single-bond geometry to one Sb5+ atom. In the fourth F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Ag2+ and one Sb5+ atom. In the fifth F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Ag2+ and one Sb5+ atom. In the sixth F1- site, F1- is bonded in a single-bond geometry to one Sb5+ atom.

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Materials Data on KAsSe2 by Materials Project

KAsSe2 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 7-coordinate geometry to seven Se2- atoms. There are a spread of K–Se bond distances ranging from 3.28–3.76 Å. In the second K1+ site, K1+ is bonded to six Se2- atoms to form distorted corner-sharing KSe6 pentagonal pyramids. There are a spread of K–Se bond distances ranging from 3.49–3.66 Å. In the third K1+ site, K1+ is bonded in a 7-coordinate geometry to seven Se2- atoms. There are a spread of K–Se bond distances ranging from 3.28–3.76 Å. In the fourth K1+ site, K1+ is bonded to six Se2- atoms to form distorted corner-sharing KSe6 pentagonal pyramids. There are a spread of K–Se bond distances ranging from 3.49–3.66 Å. There are four inequivalent As3+ sites. In the first As3+ site, As3+ is bonded in a trigonal non-coplanar geometry to three Se2- atoms. There are one shorter (2.35 Å) and two longer (2.49 Å) As–Se bond lengths. In the second As3+ site, As3+ is bonded in a trigonal non-coplanar geometry to three Se2- atoms. There are a spread of As–Se bond distances ranging from 2.34–2.50 Å. In the third As3+ site, As3+ is bonded in a trigonal non-coplanar geometry to three Se2- atoms. There are one shorter (2.35 Å) and two longer (2.49 Å) As–Se bond lengths. In the fourth As3+ site, As3+ is bonded in a trigonal non-coplanar geometry to three Se2- atoms. There are a spread of As–Se bond distances ranging from 2.34–2.50 Å. There are eight inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 5-coordinate geometry to four K1+ and one As3+ atom. In the second Se2- site, Se2- is bonded in a 4-coordinate geometry to two K1+ and two As3+ atoms. In the third Se2- site, Se2- is bonded to four K1+ and one As3+ atom to form distorted SeK4As square pyramids that share corners with five SeK4As square pyramids and edges with three SeK3As2 square pyramids. In the fourth Se2- site, Se2- is bonded to three K1+ and two As3+ atoms to form a mixture of distorted corner and edge-sharing SeK3As2 square pyramids. In the fifth Se2- site, Se2- is bonded in a 5-coordinate geometry to four K1+ and one As3+ atom. In the sixth Se2- site, Se2- is bonded in a 4-coordinate geometry to two K1+ and two As3+ atoms. In the seventh Se2- site, Se2- is bonded to four K1+ and one As3+ atom to form distorted SeK4As square pyramids that share corners with five SeK4As square pyramids and edges with three SeK3As2 square pyramids. In the eighth Se2- site, Se2- is bonded to three K1+ and two As3+ atoms to form a mixture of distorted corner and edge-sharing SeK3As2 square pyramids.

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Materials Data on Na4TiO4 by Materials Project

Na4TiO4 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are four inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded to four O2- atoms to form distorted NaO4 tetrahedra that share corners with four NaO5 square pyramids, corners with four equivalent TiO4 tetrahedra, and edges with two equivalent NaO4 tetrahedra. There are a spread of Na–O bond distances ranging from 2.32–2.38 Å. In the second Na1+ site, Na1+ is bonded to five O2- atoms to form NaO5 square pyramids that share corners with three equivalent NaO5 square pyramids, a cornercorner with one TiO4 tetrahedra, corners with two equivalent NaO4 tetrahedra, edges with five NaO5 square pyramids, and edges with two equivalent TiO4 tetrahedra. There are a spread of Na–O bond distances ranging from 2.39–2.56 Å. In the third Na1+ site, Na1+ is bonded to five O2- atoms to form NaO5 square pyramids that share corners with three equivalent NaO5 square pyramids, corners with two equivalent NaO4 tetrahedra, corners with three equivalent TiO4 tetrahedra, edges with five NaO5 square pyramids, and an edgeedge with one TiO4 tetrahedra. There are a spread of Na–O bond distances ranging from 2.40–2.54 Å. In the fourth Na1+ site, Na1+ is bonded in a distorted rectangular see-saw-like geometry to four O2- atoms. There are a spread of Na–O bond distances ranging from 2.33–2.40 Å. Ti4+ is bonded to four O2- atoms to form TiO4 tetrahedra that share corners with four NaO5 square pyramids, corners with four equivalent NaO4 tetrahedra, and edges with three NaO5 square pyramids. There are a spread of Ti–O bond distances ranging from 1.83–1.85 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded to five Na1+ and one Ti4+ atom to form distorted ONa5Ti octahedra that share corners with two equivalent ONa5Ti octahedra, corners with six equivalent ONa3Ti trigonal pyramids, and edges with six ONa5Ti octahedra. The corner-sharing octahedra tilt angles range from 12–15°. In the second O2- site, O2- is bonded to five Na1+ and one Ti4+ atom to form distorted ONa5Ti octahedra that share corners with two equivalent ONa5Ti octahedra, corners with two equivalent ONa3Ti trigonal pyramids, and edges with nine ONa5Ti octahedra. The corner-sharing octahedra tilt angles range from 12–27°. In the third O2- site, O2- is bonded to five Na1+ and one Ti4+ atom to form distorted ONa5Ti octahedra that share corners with four ONa5Ti octahedra, corners with two equivalent ONa3Ti trigonal pyramids, and edges with eight ONa5Ti octahedra. The corner-sharing octahedra tilt angles range from 12–27°. In the fourth O2- site, O2- is bonded to three Na1+ and one Ti4+ atom to form distorted ONa3Ti trigonal pyramids that share corners with ten ONa5Ti octahedra and an edgeedge with one ONa3Ti trigonal pyramid. The corner-sharing octahedra tilt angles range from 56–71°.

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Materials Data on Si4P4Ru by Materials Project

RuSi4P4 crystallizes in the triclinic P1 space group. The structure is three-dimensional. Ru4+ is bonded in a distorted T-shaped geometry to three Si4- atoms. There are two shorter (2.36 Å) and one longer (2.38 Å) Ru–Si bond lengths. There are four inequivalent Si4- sites. In the first Si4- site, Si4- is bonded to one Ru4+ and three P3+ atoms to form corner-sharing SiP3Ru tetrahedra. There are two shorter (2.32 Å) and one longer (2.33 Å) Si–P bond lengths. In the second Si4- site, Si4- is bonded to four P3+ atoms to form corner-sharing SiP4 tetrahedra. There are a spread of Si–P bond distances ranging from 2.23–2.28 Å. In the third Si4- site, Si4- is bonded to one Ru4+ and three P3+ atoms to form corner-sharing SiP3Ru tetrahedra. There are two shorter (2.31 Å) and one longer (2.32 Å) Si–P bond lengths. In the fourth Si4- site, Si4- is bonded to one Ru4+ and three P3+ atoms to form corner-sharing SiP3Ru tetrahedra. There are a spread of Si–P bond distances ranging from 2.28–2.33 Å. There are four inequivalent P3+ sites. In the first P3+ site, P3+ is bonded in a distorted T-shaped geometry to three Si4- atoms. In the second P3+ site, P3+ is bonded in a trigonal non-coplanar geometry to three Si4- atoms. In the third P3+ site, P3+ is bonded in a tetrahedral geometry to four Si4- atoms. In the fourth P3+ site, P3+ is bonded in a trigonal non-coplanar geometry to three Si4- atoms.

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Materials Data on Ba6Cu11F34 by Materials Project

Ba6Cu11F34 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are three inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten F1- atoms. There are a spread of Ba–F bond distances ranging from 2.67–3.13 Å. In the second Ba2+ site, Ba2+ is bonded in a 11-coordinate geometry to eleven F1- atoms. There are a spread of Ba–F bond distances ranging from 2.70–3.04 Å. In the third Ba2+ site, Ba2+ is bonded in a 11-coordinate geometry to eleven F1- atoms. There are a spread of Ba–F bond distances ranging from 2.68–3.19 Å. There are six inequivalent Cu2+ sites. In the first Cu2+ site, Cu2+ is bonded to six F1- atoms to form a mixture of distorted corner and edge-sharing CuF6 octahedra. The corner-sharing octahedra tilt angles range from 45–57°. There are a spread of Cu–F bond distances ranging from 1.90–2.42 Å. In the second Cu2+ site, Cu2+ is bonded to six F1- atoms to form corner-sharing CuF6 octahedra. The corner-sharing octahedra tilt angles range from 25–57°. There are a spread of Cu–F bond distances ranging from 1.92–2.37 Å. In the third Cu2+ site, Cu2+ is bonded in a 6-coordinate geometry to six F1- atoms. There are a spread of Cu–F bond distances ranging from 1.89–2.72 Å. In the fourth Cu2+ site, Cu2+ is bonded to six F1- atoms to form distorted corner-sharing CuF6 octahedra. The corner-sharing octahedra tilt angles range from 23–57°. There are a spread of Cu–F bond distances ranging from 1.92–2.39 Å. In the fifth Cu2+ site, Cu2+ is bonded to six F1- atoms to form corner-sharing CuF6 octahedra. The corner-sharing octahedra tilt angles range from 23–32°. There are a spread of Cu–F bond distances ranging from 1.91–2.41 Å. In the sixth Cu2+ site, Cu2+ is bonded to six F1- atoms to form a mixture of corner and edge-sharing CuF6 octahedra. The corner-sharing octahedral tilt angles are 57°. There are a spread of Cu–F bond distances ranging from 1.93–2.38 Å. There are seventeen inequivalent F1- sites. In the first F1- site, F1- is bonded in a 2-coordinate geometry to one Ba2+ and two Cu2+ atoms. In the second F1- site, F1- is bonded in a 1-coordinate geometry to two equivalent Ba2+ and two Cu2+ atoms. In the third F1- site, F1- is bonded in a 1-coordinate geometry to two Ba2+ and two Cu2+ atoms. In the fourth F1- site, F1- is bonded in a 2-coordinate geometry to two Ba2+ and two Cu2+ atoms. In the fifth F1- site, F1- is bonded in a 2-coordinate geometry to two Ba2+ and two Cu2+ atoms. In the sixth F1- site, F1- is bonded in a 1-coordinate geometry to two Ba2+ and two Cu2+ atoms. In the seventh F1- site, F1- is bonded in a 4-coordinate geometry to two Ba2+ and two Cu2+ atoms. In the eighth F1- site, F1- is bonded in a 4-coordinate geometry to two Ba2+ and two Cu2+ atoms. In the ninth F1- site, F1- is bonded in a 1-coordinate geometry to two equivalent Ba2+ and three Cu2+ atoms. In the tenth F1- site, F1- is bonded in a 1-coordinate geometry to three Ba2+ and one Cu2+ atom. In the eleventh F1- site, F1- is bonded in a 1-coordinate geometry to two Ba2+ and one Cu2+ atom. In the twelfth F1- site, F1- is bonded in a distorted bent 150 degrees geometry to two Ba2+ and two Cu2+ atoms. In the thirteenth F1- site, F1- is bonded in a 3-coordinate geometry to three Cu2+ atoms. In the fourteenth F1- site, F1- is bonded in a 2-coordinate geometry to two Ba2+ and two Cu2+ atoms. In the fifteenth F1- site, F1- is bonded in a 1-coordinate geometry to three Ba2+ and one Cu2+ atom. In the sixteenth F1- site, F1- is bonded in a 2-coordinate geometry to two equivalent Ba2+ and two Cu2+ atoms. In the seventeenth F1- site, F1- is bonded in a 3-coordinate geometry to one Ba2+ and two Cu2+ atoms.

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Materials Data on Na4TeO5 by Materials Project

Na4TeO5 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are five inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 1-coordinate geometry to three O2- atoms. There are a spread of Na–O bond distances ranging from 2.09–2.54 Å. In the second Na1+ site, Na1+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Na–O bond distances ranging from 2.10–2.44 Å. In the third Na1+ site, Na1+ is bonded in a 12-coordinate geometry to three O2- atoms. There are a spread of Na–O bond distances ranging from 2.35–2.54 Å. In the fourth Na1+ site, Na1+ is bonded in a 12-coordinate geometry to six O2- atoms. There are a spread of Na–O bond distances ranging from 2.77–2.99 Å. In the fifth Na1+ site, Na1+ is bonded in a 12-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.47–2.79 Å. Te6+ is bonded in a 1-coordinate geometry to five O2- atoms. There are a spread of Te–O bond distances ranging from 1.83–2.44 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to three Na1+ and one Te6+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to five Na1+ and one Te6+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to three Na1+ and one Te6+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two Na1+ and one Te6+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to three Na1+ and one Te6+ atom.

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Materials Data on Ho2Cu(GeO3)4 by Materials Project

Ho2Cu(GeO3)4 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. Ho3+ is bonded to seven O2- atoms to form distorted HoO7 pentagonal bipyramids that share corners with six GeO4 tetrahedra, edges with two equivalent HoO7 pentagonal bipyramids, and an edgeedge with one GeO4 tetrahedra. There are a spread of Ho–O bond distances ranging from 2.24–2.57 Å. Cu2+ is bonded in a square co-planar geometry to four O2- atoms. All Cu–O bond lengths are 1.98 Å. There are two inequivalent Ge4+ sites. In the first Ge4+ site, Ge4+ is bonded to four O2- atoms to form GeO4 tetrahedra that share corners with four equivalent HoO7 pentagonal bipyramids and corners with two equivalent GeO4 tetrahedra. There are a spread of Ge–O bond distances ranging from 1.76–1.80 Å. In the second Ge4+ site, Ge4+ is bonded to four O2- atoms to form GeO4 tetrahedra that share corners with two equivalent HoO7 pentagonal bipyramids, corners with two equivalent GeO4 tetrahedra, and an edgeedge with one HoO7 pentagonal bipyramid. There are a spread of Ge–O bond distances ranging from 1.75–1.82 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Ho3+ and one Ge4+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Ho3+ and one Ge4+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Ho3+ and two Ge4+ atoms. In the fourth O2- site, O2- is bonded in a bent 120 degrees geometry to two Ge4+ atoms. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ho3+, one Cu2+, and one Ge4+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ho3+, one Cu2+, and one Ge4+ atom.

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Materials Data on Er2Cu(GeO3)4 by Materials Project

Er2Cu(GeO3)4 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. Er3+ is bonded to seven O2- atoms to form distorted ErO7 pentagonal bipyramids that share corners with six GeO4 tetrahedra, edges with two equivalent ErO7 pentagonal bipyramids, and an edgeedge with one GeO4 tetrahedra. There are a spread of Er–O bond distances ranging from 2.23–2.55 Å. Cu2+ is bonded in a square co-planar geometry to four O2- atoms. All Cu–O bond lengths are 1.98 Å. There are two inequivalent Ge4+ sites. In the first Ge4+ site, Ge4+ is bonded to four O2- atoms to form GeO4 tetrahedra that share corners with four equivalent ErO7 pentagonal bipyramids and corners with two equivalent GeO4 tetrahedra. There are a spread of Ge–O bond distances ranging from 1.76–1.80 Å. In the second Ge4+ site, Ge4+ is bonded to four O2- atoms to form GeO4 tetrahedra that share corners with two equivalent ErO7 pentagonal bipyramids, corners with two equivalent GeO4 tetrahedra, and an edgeedge with one ErO7 pentagonal bipyramid. There are a spread of Ge–O bond distances ranging from 1.75–1.82 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Er3+ and one Ge4+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Er3+ and one Ge4+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Er3+ and two Ge4+ atoms. In the fourth O2- site, O2- is bonded in a bent 120 degrees geometry to two Ge4+ atoms. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Er3+, one Cu2+, and one Ge4+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Er3+, one Cu2+, and one Ge4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Tb6O11 by Materials Project

Tb6O11 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are twelve inequivalent Tb+3.67+ sites. In the first Tb+3.67+ site, Tb+3.67+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Tb–O bond distances ranging from 2.30–2.57 Å. In the second Tb+3.67+ site, Tb+3.67+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Tb–O bond distances ranging from 2.29–2.38 Å. In the third Tb+3.67+ site, Tb+3.67+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Tb–O bond distances ranging from 2.35–2.45 Å. In the fourth Tb+3.67+ site, Tb+3.67+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Tb–O bond distances ranging from 2.32–2.51 Å. In the fifth Tb+3.67+ site, Tb+3.67+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Tb–O bond distances ranging from 2.27–2.43 Å. In the sixth Tb+3.67+ site, Tb+3.67+ is bonded to seven O2- atoms to form distorted TbO7 pentagonal bipyramids that share a cornercorner with one TbO6 octahedra, a cornercorner with one TbO7 pentagonal bipyramid, an edgeedge with one TbO6 octahedra, and an edgeedge with one TbO7 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 55°. There are a spread of Tb–O bond distances ranging from 2.29–2.40 Å. In the seventh Tb+3.67+ site, Tb+3.67+ is bonded to seven O2- atoms to form distorted TbO7 pentagonal bipyramids that share a cornercorner with one TbO6 octahedra, a cornercorner with one TbO7 pentagonal bipyramid, an edgeedge with one TbO6 octahedra, and edges with three TbO7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 50°. There are a spread of Tb–O bond distances ranging from 2.24–2.47 Å. In the eighth Tb+3.67+ site, Tb+3.67+ is bonded in a distorted body-centered cubic geometry to eight O2- atoms. There are a spread of Tb–O bond distances ranging from 2.32–2.73 Å. In the ninth Tb+3.67+ site, Tb+3.67+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Tb–O bond distances ranging from 2.31–2.51 Å. In the tenth Tb+3.67+ site, Tb+3.67+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Tb–O bond distances ranging from 2.27–2.43 Å. In the eleventh Tb+3.67+ site, Tb+3.67+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Tb–O bond distances ranging from 2.27–2.49 Å. In the twelfth Tb+3.67+ site, Tb+3.67+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing TbO6 octahedra. There are a spread of Tb–O bond distances ranging from 2.24–2.33 Å. There are twenty-two inequivalent O2- sites. In the first O2- site, O2- is bonded to four Tb+3.67+ atoms to form a mixture of distorted edge and corner-sharing OTb4 tetrahedra. In the second O2- site, O2- is bonded to four Tb+3.67+ atoms to form a mixture of edge and corner-sharing OTb4 tetrahedra. In the third O2- site, O2- is bonded in a 4-coordinate geometry to four Tb+3.67+ atoms. In the fourth O2- site, O2- is bonded to four Tb+3.67+ atoms to form a mixture of distorted edge and corner-sharing OTb4 tetrahedra. In the fifth O2- site, O2- is bonded to four Tb+3.67+ atoms to form a mixture of distorted edge and corner-sharing OTb4 tetrahedra. In the sixth O2- site, O2- is bonded to four Tb+3.67+ atoms to form a mixture of distorted edge and corner-sharing OTb4 tetrahedra. In the seventh O2- site, O2- is bonded to four Tb+3.67+ atoms to form a mixture of edge and corner-sharing OTb4 tetrahedra. In the eighth O2- site, O2- is bonded to four Tb+3.67+ atoms to form a mixture of edge and corner-sharing OTb4 tetrahedra. In the ninth O2- site, O2- is bonded in a 4-coordinate geometry to four Tb+3.67+ atoms. In the tenth O2- site, O2- is bonded to four Tb+3.67+ atoms to form a mixture of distorted edge and corner-sharing OTb4 tetrahedra. In the eleventh O2- site, O2- is bonded to four Tb+3.67+ atoms to form a mixture of distorted edge and corner-sharing OTb4 tetrahedra. In the twelfth O2- site, O2- is bonded to four Tb+3.67+ atoms to form a mixture of edge and corner-sharing OTb4 tetrahedra. In the thirteenth O2- site, O2- is bonded in a 4-coordinate geometry to four Tb+3.67+ atoms. In the fourteenth O2- site, O2- is bonded to four Tb+3.67+ atoms to form a mixture of edge and corner-sharing OTb4 tetrahedra. In the fifteenth O2- site, O2- is bonded to four Tb+3.67+ atoms to form a mixture of edge and corner-sharing OTb4 tetrahedra. In the sixteenth O2- site, O2- is bonded to four Tb+3.67+ atoms to form a mixture of edge and corner-sharing OTb4 tetrahedra. In the seventeenth O2- site, O2- is bonded to four Tb+3.67+ atoms to form a mixture of distorted edge and corner-sharing OTb4 tetrahedra. In the eighteenth O2- site, O2- is bonded to four Tb+3.67+ atoms to form a mixture of edge and corner-sharing OTb4 tetrahedra. In the nineteenth O2- site, O2- is bonded to four Tb+3.67+ atoms to form a mixture of edge and corner-sharing OTb4 tetrahedra. In the twentieth O2- site, O2- is bonded to four Tb+3.67+ atoms to form a mixture of distorted edge and corner-sharing OTb4 tetrahedra. In the twenty-first O2- site, O2- is bonded to four Tb+3.67+ atoms to form a mixture of edge and corner-sharing OTb4 tetrahedra. In the twenty-second O2- site, O2- is bonded to four Tb+3.67+ atoms to form a mixture of edge and corner-sharing OTb4 tetrahedra.

36 MATERIALS SCIENCE↗

Materials Data on Tl2B4O7 by Materials Project

Tl2B4O7 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are six inequivalent Tl1+ sites. In the first Tl1+ site, Tl1+ is bonded in a 6-coordinate geometry to three O2- atoms. There are a spread of Tl–O bond distances ranging from 2.54–2.77 Å. In the second Tl1+ site, Tl1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Tl–O bond distances ranging from 2.71–3.62 Å. In the third Tl1+ site, Tl1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Tl–O bond distances ranging from 2.61–3.37 Å. In the fourth Tl1+ site, Tl1+ is bonded in a 2-coordinate geometry to seven O2- atoms. There are a spread of Tl–O bond distances ranging from 2.61–3.37 Å. In the fifth Tl1+ site, Tl1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Tl–O bond distances ranging from 2.64–3.39 Å. In the sixth Tl1+ site, Tl1+ is bonded in a 1-coordinate geometry to seven O2- atoms. There are a spread of Tl–O bond distances ranging from 2.51–3.38 Å. There are twelve inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.38 Å) and two longer (1.39 Å) B–O bond length. In the second B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.46–1.53 Å. In the third B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.47–1.51 Å. In the fourth B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.37 Å) and one longer (1.41 Å) B–O bond length. In the fifth B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.47–1.51 Å. In the sixth B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.38 Å) and one longer (1.39 Å) B–O bond length. In the seventh B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.45–1.50 Å. In the eighth B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.37–1.40 Å. In the ninth B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.46–1.53 Å. In the tenth B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.37 Å) and two longer (1.38 Å) B–O bond length. In the eleventh B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.47–1.50 Å. In the twelfth B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.37 Å) and two longer (1.38 Å) B–O bond length. There are twenty-one inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to two Tl1+ and two B3+ atoms. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Tl1+ and two B3+ atoms. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to two equivalent Tl1+ and two B3+ atoms. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Tl1+ and two B3+ atoms. In the fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Tl1+ and two B3+ atoms. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Tl1+ and two B3+ atoms. In the seventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Tl1+ and two B3+ atoms. In the eighth O2- site, O2- is bonded in a bent 120 degrees geometry to two Tl1+ and two B3+ atoms. In the ninth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Tl1+ and two B3+ atoms. In the tenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Tl1+ and two B3+ atoms. In the eleventh O2- site, O2- is bonded in a bent 120 degrees geometry to one Tl1+ and two B3+ atoms. In the twelfth O2- site, O2- is bonded in a bent 120 degrees geometry to two Tl1+ and two B3+ atoms. In the thirteenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Tl1+ and two B3+ atoms. In the fourteenth O2- site, O2- is bonded in a bent 120 degrees geometry to two Tl1+ and two B3+ atoms. In the fifteenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Tl1+ and two B3+ atoms. In the sixteenth O2- site, O2- is bonded in a bent 120 degrees geometry to two Tl1+ and two B3+ atoms. In the seventeenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Tl1+ and two B3+ atoms. In the eighteenth O2- site, O2- is bonded in a bent 120 degrees geometry to one Tl1+ and two B3+ atoms. In the nineteenth O2- site, O2- is bonded in a bent 120 degrees geometry to two Tl1+ and two B3+ atoms. In the twentieth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Tl1+ and two B3+ atoms. In the twenty-first O2- site, O2- is bonded in a bent 120 degrees geometry to two Tl1+ and two B3+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Dy2B4O9 by Materials Project

Dy2B4O9 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are two inequivalent Dy3+ sites. In the first Dy3+ site, Dy3+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Dy–O bond distances ranging from 2.27–2.64 Å. In the second Dy3+ site, Dy3+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Dy–O bond distances ranging from 2.31–2.67 Å. There are four inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.37 Å) and one longer (1.40 Å) B–O bond length. In the second B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.47–1.56 Å. In the third B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.46–1.51 Å. In the fourth B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.44–1.49 Å. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to three Dy3+ and one B3+ atom. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Dy3+ and two B3+ atoms. In the third O2- site, O2- is bonded in a distorted single-bond geometry to three Dy3+ and one B3+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two Dy3+ and two B3+ atoms. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to two Dy3+ and two B3+ atoms. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Dy3+ and two B3+ atoms. In the seventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Dy3+ and two B3+ atoms. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to three Dy3+ and one B3+ atom. In the ninth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Dy3+ and two B3+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ho2Si2O7 by Materials Project

Ho2Si2O7 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are four inequivalent Ho3+ sites. In the first Ho3+ site, Ho3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ho–O bond distances ranging from 2.29–2.69 Å. In the second Ho3+ site, Ho3+ is bonded to six O2- atoms to form distorted HoO6 octahedra that share corners with seven SiO4 tetrahedra. There are a spread of Ho–O bond distances ranging from 2.20–2.40 Å. In the third Ho3+ site, Ho3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ho–O bond distances ranging from 2.21–2.90 Å. In the fourth Ho3+ site, Ho3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Ho–O bond distances ranging from 2.25–2.39 Å. There are four inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with two equivalent HoO6 octahedra and a cornercorner with one SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 47–66°. There are a spread of Si–O bond distances ranging from 1.62–1.67 Å. In the second Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with three equivalent HoO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 64–65°. There are a spread of Si–O bond distances ranging from 1.61–1.67 Å. In the third Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share a cornercorner with one HoO6 octahedra and a cornercorner with one SiO4 tetrahedra. The corner-sharing octahedral tilt angles are 54°. There are a spread of Si–O bond distances ranging from 1.62–1.75 Å. In the fourth Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share a cornercorner with one HoO6 octahedra. The corner-sharing octahedral tilt angles are 52°. There are a spread of Si–O bond distances ranging from 1.62–1.67 Å. There are fourteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to three Ho3+ and one Si4+ atom. In the second O2- site, O2- is bonded in a 4-coordinate geometry to three Ho3+ and one Si4+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ho3+ and one Si4+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two Ho3+ and one Si4+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to two Ho3+ and one Si4+ atom. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to three Ho3+ and one Si4+ atom. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to three Ho3+ and one Si4+ atom. In the eighth O2- site, O2- is bonded in a bent 120 degrees geometry to two Si4+ atoms. In the ninth O2- site, O2- is bonded in a 3-coordinate geometry to two Ho3+ and one Si4+ atom. In the tenth O2- site, O2- is bonded in a 1-coordinate geometry to two Ho3+ and one Si4+ atom. In the eleventh O2- site, O2- is bonded in a 1-coordinate geometry to two Ho3+ and one Si4+ atom. In the twelfth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ho3+ and two Si4+ atoms. In the thirteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ho3+ and one Si4+ atom. In the fourteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ho3+ and one Si4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Li3B7O12 by Materials Project

Li3B7O12 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are three inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Li–O bond distances ranging from 1.97–2.36 Å. In the second Li1+ site, Li1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 2.04–2.08 Å. In the third Li1+ site, Li1+ is bonded to four O2- atoms to form distorted LiO4 trigonal pyramids that share corners with four BO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.96–2.03 Å. There are seven inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.37–1.40 Å. In the second B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. All B–O bond lengths are 1.38 Å. In the third B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share a cornercorner with one LiO4 trigonal pyramid. There are a spread of B–O bond distances ranging from 1.47–1.49 Å. In the fourth B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share a cornercorner with one BO4 tetrahedra and corners with two equivalent LiO4 trigonal pyramids. There are a spread of B–O bond distances ranging from 1.46–1.50 Å. In the fifth B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.36–1.40 Å. In the sixth B3+ site, B3+ is bonded to four O2- atoms to form BO4 tetrahedra that share a cornercorner with one BO4 tetrahedra and a cornercorner with one LiO4 trigonal pyramid. There are a spread of B–O bond distances ranging from 1.45–1.52 Å. In the seventh B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.36–1.39 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+ and two B3+ atoms. In the second O2- site, O2- is bonded in a trigonal planar geometry to one Li1+ and two B3+ atoms. In the third O2- site, O2- is bonded in a trigonal planar geometry to one Li1+ and two B3+ atoms. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+ and two B3+ atoms. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+ and two B3+ atoms. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+ and two B3+ atoms. In the seventh O2- site, O2- is bonded in a trigonal planar geometry to one Li1+ and two B3+ atoms. In the eighth O2- site, O2- is bonded in a distorted trigonal pyramidal geometry to two Li1+ and two B3+ atoms. In the ninth O2- site, O2- is bonded in a trigonal planar geometry to one Li1+ and two B3+ atoms. In the tenth O2- site, O2- is bonded in a 2-coordinate geometry to one Li1+ and two B3+ atoms. In the eleventh O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+ and two B3+ atoms. In the twelfth O2- site, O2- is bonded in a bent 120 degrees geometry to two B3+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Rb2B4O7 by Materials Project

Rb2B4O7 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are four inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 1-coordinate geometry to ten O2- atoms. There are a spread of Rb–O bond distances ranging from 2.83–3.57 Å. In the second Rb1+ site, Rb1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Rb–O bond distances ranging from 2.82–3.40 Å. In the third Rb1+ site, Rb1+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Rb–O bond distances ranging from 2.82–2.91 Å. In the fourth Rb1+ site, Rb1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Rb–O bond distances ranging from 2.79–3.10 Å. There are eight inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.37 Å) and two longer (1.39 Å) B–O bond length. In the second B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. All B–O bond lengths are 1.38 Å. In the third B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.38 Å) and one longer (1.39 Å) B–O bond length. In the fourth B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.37–1.39 Å. In the fifth B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.45–1.51 Å. In the sixth B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.45–1.52 Å. In the seventh B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.46–1.51 Å. In the eighth B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.45–1.51 Å. There are fourteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted water-like geometry to three Rb1+ and two B3+ atoms. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to three Rb1+ and two B3+ atoms. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to three Rb1+ and two B3+ atoms. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Rb1+ and two B3+ atoms. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Rb1+ and two B3+ atoms. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to two Rb1+ and two B3+ atoms. In the seventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Rb1+ and two B3+ atoms. In the eighth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Rb1+ and two B3+ atoms. In the ninth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to three Rb1+ and two B3+ atoms. In the tenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Rb1+ and two B3+ atoms. In the eleventh O2- site, O2- is bonded in a 2-coordinate geometry to two Rb1+ and two B3+ atoms. In the twelfth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Rb1+ and two B3+ atoms. In the thirteenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Rb1+ and two B3+ atoms. In the fourteenth O2- site, O2- is bonded in a 2-coordinate geometry to one Rb1+ and two B3+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Dy2Si2O7 by Materials Project

Dy2Si2O7 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are four inequivalent Dy3+ sites. In the first Dy3+ site, Dy3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Dy–O bond distances ranging from 2.30–2.70 Å. In the second Dy3+ site, Dy3+ is bonded to six O2- atoms to form distorted DyO6 octahedra that share corners with seven SiO4 tetrahedra. There are a spread of Dy–O bond distances ranging from 2.21–2.41 Å. In the third Dy3+ site, Dy3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Dy–O bond distances ranging from 2.23–2.87 Å. In the fourth Dy3+ site, Dy3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Dy–O bond distances ranging from 2.26–2.41 Å. There are four inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with two equivalent DyO6 octahedra and a cornercorner with one SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 47–66°. There are a spread of Si–O bond distances ranging from 1.62–1.67 Å. In the second Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with three equivalent DyO6 octahedra and corners with two SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 64–65°. There are a spread of Si–O bond distances ranging from 1.61–1.67 Å. In the third Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share a cornercorner with one DyO6 octahedra and a cornercorner with one SiO4 tetrahedra. The corner-sharing octahedral tilt angles are 55°. There are a spread of Si–O bond distances ranging from 1.62–1.75 Å. In the fourth Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share a cornercorner with one DyO6 octahedra. The corner-sharing octahedral tilt angles are 52°. There are a spread of Si–O bond distances ranging from 1.62–1.67 Å. There are fourteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to three Dy3+ and one Si4+ atom. In the second O2- site, O2- is bonded in a 4-coordinate geometry to three Dy3+ and one Si4+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two Dy3+ and one Si4+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two Dy3+ and one Si4+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to two Dy3+ and one Si4+ atom. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to three Dy3+ and one Si4+ atom. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to three Dy3+ and one Si4+ atom. In the eighth O2- site, O2- is bonded in a bent 120 degrees geometry to two Si4+ atoms. In the ninth O2- site, O2- is bonded in a 3-coordinate geometry to two Dy3+ and one Si4+ atom. In the tenth O2- site, O2- is bonded in a 1-coordinate geometry to two Dy3+ and one Si4+ atom. In the eleventh O2- site, O2- is bonded in a 1-coordinate geometry to two Dy3+ and one Si4+ atom. In the twelfth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Dy3+ and two Si4+ atoms. In the thirteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Dy3+ and one Si4+ atom. In the fourteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Dy3+ and one Si4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on K2B4O7 by Materials Project

K2B4O7 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are four inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 3-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.75–3.34 Å. In the second K1+ site, K1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of K–O bond distances ranging from 2.70–3.00 Å. In the third K1+ site, K1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of K–O bond distances ranging from 2.69–3.13 Å. In the fourth K1+ site, K1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of K–O bond distances ranging from 2.69–2.91 Å. There are eight inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.37 Å) and two longer (1.39 Å) B–O bond length. In the second B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.37 Å) and two longer (1.38 Å) B–O bond length. In the third B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.37–1.39 Å. In the fourth B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.37–1.39 Å. In the fifth B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.45–1.51 Å. In the sixth B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.45–1.52 Å. In the seventh B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.46–1.51 Å. In the eighth B3+ site, B3+ is bonded to four O2- atoms to form corner-sharing BO4 tetrahedra. There are a spread of B–O bond distances ranging from 1.45–1.51 Å. There are fourteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted water-like geometry to two K1+ and two B3+ atoms. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to three K1+ and two B3+ atoms. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to two K1+ and two B3+ atoms. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to three K1+ and two B3+ atoms. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent K1+ and two B3+ atoms. In the sixth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two K1+ and two B3+ atoms. In the seventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two K1+ and two B3+ atoms. In the eighth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent K1+ and two B3+ atoms. In the ninth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to three K1+ and two B3+ atoms. In the tenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent K1+ and two B3+ atoms. In the eleventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two K1+ and two B3+ atoms. In the twelfth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one K1+ and two B3+ atoms. In the thirteenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent K1+ and two B3+ atoms. In the fourteenth O2- site, O2- is bonded in a 2-coordinate geometry to one K1+ and two B3+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Tl3GeTe3 by Materials Project

Tl3GeTe3 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are six inequivalent Tl1+ sites. In the first Tl1+ site, Tl1+ is bonded in a 5-coordinate geometry to five Te2- atoms. There are a spread of Tl–Te bond distances ranging from 3.34–3.88 Å. In the second Tl1+ site, Tl1+ is bonded in a 6-coordinate geometry to six Te2- atoms. There are a spread of Tl–Te bond distances ranging from 3.41–3.77 Å. In the third Tl1+ site, Tl1+ is bonded in a 5-coordinate geometry to six Te2- atoms. There are a spread of Tl–Te bond distances ranging from 3.33–4.24 Å. In the fourth Tl1+ site, Tl1+ is bonded in a distorted square pyramidal geometry to five Te2- atoms. There are a spread of Tl–Te bond distances ranging from 3.34–3.53 Å. In the fifth Tl1+ site, Tl1+ is bonded in a 6-coordinate geometry to six Te2- atoms. There are a spread of Tl–Te bond distances ranging from 3.38–3.80 Å. In the sixth Tl1+ site, Tl1+ is bonded in a 5-coordinate geometry to six Te2- atoms. There are a spread of Tl–Te bond distances ranging from 3.40–4.25 Å. There are two inequivalent Ge3+ sites. In the first Ge3+ site, Ge3+ is bonded in a trigonal non-coplanar geometry to three Te2- atoms. There are one shorter (2.61 Å) and two longer (2.63 Å) Ge–Te bond lengths. In the second Ge3+ site, Ge3+ is bonded in a trigonal non-coplanar geometry to three Te2- atoms. There are a spread of Ge–Te bond distances ranging from 2.61–2.63 Å. There are six inequivalent Te2- sites. In the first Te2- site, Te2- is bonded in a 6-coordinate geometry to five Tl1+ and one Ge3+ atom. In the second Te2- site, Te2- is bonded in a 7-coordinate geometry to six Tl1+ and one Ge3+ atom. In the third Te2- site, Te2- is bonded in a 6-coordinate geometry to five Tl1+ and one Ge3+ atom. In the fourth Te2- site, Te2- is bonded in a 7-coordinate geometry to six Tl1+ and one Ge3+ atom. In the fifth Te2- site, Te2- is bonded in a 7-coordinate geometry to six Tl1+ and one Ge3+ atom. In the sixth Te2- site, Te2- is bonded in a 7-coordinate geometry to six Tl1+ and one Ge3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Sm2Si2O7 by Materials Project

Sm2Si2O7 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are four inequivalent Sm3+ sites. In the first Sm3+ site, Sm3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sm–O bond distances ranging from 2.27–2.65 Å. In the second Sm3+ site, Sm3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Sm–O bond distances ranging from 2.30–2.89 Å. In the third Sm3+ site, Sm3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sm–O bond distances ranging from 2.30–2.69 Å. In the fourth Sm3+ site, Sm3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Sm–O bond distances ranging from 2.31–2.96 Å. There are four inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded to four O2- atoms to form corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.63–1.65 Å. In the second Si4+ site, Si4+ is bonded to four O2- atoms to form corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.63–1.67 Å. In the third Si4+ site, Si4+ is bonded to four O2- atoms to form corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.63–1.68 Å. In the fourth Si4+ site, Si4+ is bonded to four O2- atoms to form corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.63–1.66 Å. There are fourteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the second O2- site, O2- is bonded in a 1-coordinate geometry to three Sm3+ and one Si4+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two Sm3+ and one Si4+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Sm3+ and one Si4+ atom. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to two Si4+ atoms. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to two Sm3+ and one Si4+ atom. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to two Sm3+ and one Si4+ atom. In the eighth O2- site, O2- is bonded in a 1-coordinate geometry to two Sm3+ and one Si4+ atom. In the ninth O2- site, O2- is bonded in a 1-coordinate geometry to three Sm3+ and one Si4+ atom. In the tenth O2- site, O2- is bonded in a 1-coordinate geometry to three Sm3+ and one Si4+ atom. In the eleventh O2- site, O2- is bonded in a 1-coordinate geometry to three Sm3+ and one Si4+ atom. In the twelfth O2- site, O2- is bonded in a 3-coordinate geometry to two Sm3+ and one Si4+ atom. In the thirteenth O2- site, O2- is bonded in a 1-coordinate geometry to three Sm3+ and one Si4+ atom. In the fourteenth O2- site, O2- is bonded in a 1-coordinate geometry to three Sm3+ and one Si4+ atom.

36 MATERIALS SCIENCE↗