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DOE OSTI2020

Materials Data on TmAsO4 by Materials Project

TmAsO4 is Zircon structured and crystallizes in the tetragonal I4_1/amd space group. The structure is three-dimensional. Tm3+ is bonded in a 8-coordinate geometry to eight equivalent O2- atoms. There are four shorter (2.29 Å) and four longer (2.39 Å) Tm–O bond lengths. As5+ is bonded in a tetrahedral geometry to four equivalent O2- atoms. All As–O bond lengths are 1.72 Å. O2- is bonded in a 3-coordinate geometry to two equivalent Tm3+ and one As5+ atom.

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Materials Data on ErAsO4 by Materials Project

ErAsO4 is Zircon structured and crystallizes in the tetragonal I4_1/amd space group. The structure is three-dimensional. Er3+ is bonded in a 8-coordinate geometry to eight equivalent O2- atoms. There are four shorter (2.30 Å) and four longer (2.41 Å) Er–O bond lengths. As5+ is bonded in a tetrahedral geometry to four equivalent O2- atoms. All As–O bond lengths are 1.72 Å. O2- is bonded in a 3-coordinate geometry to two equivalent Er3+ and one As5+ atom.

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Materials Data on LaAsO4 by Materials Project

LaAsO4 is Zircon structured and crystallizes in the tetragonal I4_1/amd space group. The structure is three-dimensional. La3+ is bonded in a 8-coordinate geometry to eight equivalent O2- atoms. There are four shorter (2.47 Å) and four longer (2.58 Å) La–O bond lengths. As5+ is bonded in a tetrahedral geometry to four equivalent O2- atoms. All As–O bond lengths are 1.72 Å. O2- is bonded in a 3-coordinate geometry to two equivalent La3+ and one As5+ atom.

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Materials Data on CrBiO4 by Materials Project

CrBiO4 is Zircon structured and crystallizes in the tetragonal I4_1/amd space group. The structure is three-dimensional. Cr5+ is bonded in a tetrahedral geometry to four equivalent O2- atoms. All Cr–O bond lengths are 1.73 Å. Bi3+ is bonded in a 8-coordinate geometry to eight equivalent O2- atoms. There are four shorter (2.42 Å) and four longer (2.50 Å) Bi–O bond lengths. O2- is bonded in a distorted single-bond geometry to one Cr5+ and two equivalent Bi3+ atoms.

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Materials Data on GdAsO4 by Materials Project

GdAsO4 is Zircon structured and crystallizes in the tetragonal I4_1/amd space group. The structure is three-dimensional. Gd3+ is bonded in a 8-coordinate geometry to eight equivalent O2- atoms. There are four shorter (2.36 Å) and four longer (2.47 Å) Gd–O bond lengths. As5+ is bonded in a tetrahedral geometry to four equivalent O2- atoms. All As–O bond lengths are 1.72 Å. O2- is bonded in a 3-coordinate geometry to two equivalent Gd3+ and one As5+ atom.

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Materials Data on TbNbO4 by Materials Project

TbNbO4 is Zircon-like structured and crystallizes in the monoclinic Pc space group. The structure is three-dimensional. Tb3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are six shorter (2.38 Å) and two longer (2.39 Å) Tb–O bond lengths. Nb5+ is bonded in a distorted tetrahedral geometry to four O2- atoms. All Nb–O bond lengths are 1.91 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Tb3+ and one Nb5+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Tb3+ and one Nb5+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Tb3+ and one Nb5+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Tb3+ and one Nb5+ atom.

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Materials Data on Ca2CrO8 by Materials Project

Ca2CrO8 is Zircon-like structured and crystallizes in the monoclinic Cm space group. The structure is three-dimensional. Ca is bonded to eight O atoms to form distorted CaO8 hexagonal bipyramids that share corners with two equivalent CrO4 tetrahedra, edges with four equivalent CaO8 hexagonal bipyramids, and an edgeedge with one CrO4 tetrahedra. There are a spread of Ca–O bond distances ranging from 2.40–2.61 Å. Cr is bonded to four O atoms to form CrO4 tetrahedra that share corners with four equivalent CaO8 hexagonal bipyramids and edges with two equivalent CaO8 hexagonal bipyramids. There is two shorter (1.65 Å) and two longer (1.67 Å) Cr–O bond length. There are six inequivalent O sites. In the first O site, O is bonded in a 1-coordinate geometry to two equivalent Ca and one Cr atom. In the second O site, O is bonded in a distorted trigonal non-coplanar geometry to two equivalent Ca and one Cr atom. In the third O site, O is bonded in a distorted trigonal non-coplanar geometry to two equivalent Ca and one Cr atom. In the fourth O site, O is bonded in a distorted T-shaped geometry to two equivalent Ca and one O atom. The O–O bond length is 1.34 Å. In the fifth O site, O is bonded in a trigonal planar geometry to two equivalent Ca and one O atom. The O–O bond length is 1.34 Å. In the sixth O site, O is bonded in a distorted trigonal planar geometry to two equivalent Ca and one O atom.

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Materials Data on NbBO4 by Materials Project

NbBO4 is Zircon structured and crystallizes in the tetragonal I4_1/amd space group. The structure is three-dimensional. Nb5+ is bonded to eight equivalent O2- atoms to form distorted NbO8 hexagonal bipyramids that share corners with four equivalent BO4 tetrahedra, edges with four equivalent NbO8 hexagonal bipyramids, and edges with two equivalent BO4 tetrahedra. There are four shorter (2.09 Å) and four longer (2.12 Å) Nb–O bond lengths. B3+ is bonded to four equivalent O2- atoms to form BO4 tetrahedra that share corners with four equivalent NbO8 hexagonal bipyramids and edges with two equivalent NbO8 hexagonal bipyramids. All B–O bond lengths are 1.48 Å. O2- is bonded in a 1-coordinate geometry to two equivalent Nb5+ and one B3+ atom.

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Materials Data on CaU(PO4)2 by Materials Project

CaU(PO4)2 is Zircon-derived structured and crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Ca2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ca–O bond distances ranging from 2.36–2.66 Å. U4+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of U–O bond distances ranging from 2.32–2.55 Å. There are two inequivalent P5+ sites. In the first P5+ site, P5+ is bonded in a tetrahedral geometry to four O2- atoms. There is two shorter (1.55 Å) and two longer (1.56 Å) P–O bond length. In the second P5+ site, P5+ is bonded in a tetrahedral geometry to four O2- atoms. There is one shorter (1.55 Å) and three longer (1.56 Å) P–O bond length. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to one Ca2+, one U4+, and one P5+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to one Ca2+, one U4+, and one P5+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to one Ca2+, one U4+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to one Ca2+, one U4+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to one Ca2+, one U4+, and one P5+ atom. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to one Ca2+, one U4+, and one P5+ atom.

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Materials Data on CePO4 by Materials Project

CePO4 is Zircon structured and crystallizes in the tetragonal I4_1/amd space group. The structure is three-dimensional. Ce3+ is bonded in a 8-coordinate geometry to eight equivalent O2- atoms. There are four shorter (2.46 Å) and four longer (2.51 Å) Ce–O bond lengths. P5+ is bonded in a tetrahedral geometry to four equivalent O2- atoms. All P–O bond lengths are 1.56 Å. O2- is bonded in a 1-coordinate geometry to two equivalent Ce3+ and one P5+ atom.

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Materials Data on LaPO4 by Materials Project

LaPO4 is Zircon structured and crystallizes in the tetragonal I4_1/amd space group. The structure is three-dimensional. La3+ is bonded in a 8-coordinate geometry to eight equivalent O2- atoms. There are four shorter (2.50 Å) and four longer (2.53 Å) La–O bond lengths. P5+ is bonded in a tetrahedral geometry to four equivalent O2- atoms. All P–O bond lengths are 1.56 Å. O2- is bonded in a 1-coordinate geometry to two equivalent La3+ and one P5+ atom.

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Materials Data on Na2Th(MoO4)3 by Materials Project

Na2Th(MoO4)3 is Zircon-derived structured and crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Na1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.54–2.65 Å. Th4+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Th–O bond distances ranging from 2.39–2.46 Å. There are two inequivalent Mo6+ sites. In the first Mo6+ site, Mo6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Mo–O bond distances ranging from 1.76–1.83 Å. In the second Mo6+ site, Mo6+ is bonded in a tetrahedral geometry to four O2- atoms. There is two shorter (1.77 Å) and two longer (1.85 Å) Mo–O bond length. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Na1+ and one Mo6+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, one Th4+, and one Mo6+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Na1+ and one Mo6+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Na1+, one Th4+, and one Mo6+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Na1+, one Th4+, and one Mo6+ atom. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Th4+, and one Mo6+ atom.

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Materials Data on Na2Lu3Te4(IO4)3 by Materials Project

Na2Lu3Te4(O4I)3 is Zircon-derived structured and crystallizes in the monoclinic P2/c space group. The structure is three-dimensional. Na1+ is bonded in a 2-coordinate geometry to four O2- and four I1- atoms. There are a spread of Na–O bond distances ranging from 2.28–2.93 Å. There are a spread of Na–I bond distances ranging from 3.32–3.42 Å. There are two inequivalent Lu3+ sites. In the first Lu3+ site, Lu3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Lu–O bond distances ranging from 2.27–2.49 Å. In the second Lu3+ site, Lu3+ is bonded in a distorted body-centered cubic geometry to eight O2- atoms. There are a spread of Lu–O bond distances ranging from 2.27–2.47 Å. There are two inequivalent Te4+ sites. In the first Te4+ site, Te4+ is bonded in a 3-coordinate geometry to three O2- atoms. There is one shorter (1.92 Å) and two longer (1.93 Å) Te–O bond length. In the second Te4+ site, Te4+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Te–O bond distances ranging from 1.91–1.93 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded to one Na1+, two Lu3+, and one Te4+ atom to form distorted corner-sharing ONaLu2Te tetrahedra. In the second O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+, two equivalent Lu3+, and one Te4+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two Lu3+ and one Te4+ atom. In the fourth O2- site, O2- is bonded to one Na1+, two equivalent Lu3+, and one Te4+ atom to form a mixture of edge and corner-sharing ONaLu2Te tetrahedra. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+, two Lu3+, and one Te4+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Lu3+ and one Te4+ atom. There are two inequivalent I1- sites. In the first I1- site, I1- is bonded in a 2-coordinate geometry to two equivalent Na1+ atoms. In the second I1- site, I1- is bonded in a 3-coordinate geometry to three equivalent Na1+ atoms.

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Materials Data on Li7Ho3(MoO4)8 by Materials Project

Li7Ho3(MoO4)8 is Zircon-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are seven inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded in a square co-planar geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 1.99–2.07 Å. In the second Li1+ site, Li1+ is bonded in a square co-planar geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 2.00–2.06 Å. In the third Li1+ site, Li1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Li–O bond distances ranging from 1.96–2.62 Å. In the fourth Li1+ site, Li1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Li–O bond distances ranging from 2.02–2.59 Å. In the fifth Li1+ site, Li1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Li–O bond distances ranging from 1.97–2.63 Å. In the sixth Li1+ site, Li1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Li–O bond distances ranging from 1.97–2.62 Å. In the seventh Li1+ site, Li1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Li–O bond distances ranging from 2.35–2.60 Å. There are three 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 2.32–2.46 Å. In the second 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 2.30–2.48 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 2.31–2.46 Å. There are eight inequivalent Mo6+ sites. In the first Mo6+ site, Mo6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Mo–O bond distances ranging from 1.77–1.84 Å. In the second Mo6+ site, Mo6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Mo–O bond distances ranging from 1.77–1.90 Å. In the third Mo6+ site, Mo6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Mo–O bond distances ranging from 1.76–1.87 Å. In the fourth Mo6+ site, Mo6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Mo–O bond distances ranging from 1.76–1.84 Å. In the fifth Mo6+ site, Mo6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Mo–O bond distances ranging from 1.77–1.83 Å. In the sixth Mo6+ site, Mo6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Mo–O bond distances ranging from 1.77–1.87 Å. In the seventh Mo6+ site, Mo6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Mo–O bond distances ranging from 1.77–1.85 Å. In the eighth Mo6+ site, Mo6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Mo–O bond distances ranging from 1.77–1.87 Å. There are thirty-two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Ho3+, and one Mo6+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ho3+ and one Mo6+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Ho3+, and one Mo6+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ho3+ and one Mo6+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Li1+ and one Mo6+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Li1+ and one Mo6+ atom. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to two Li1+ and one Mo6+ atom. In the eighth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Li1+ and one Mo6+ atom. In the ninth O2- site, O2- is bonded in a 2-coordinate geometry to two Li1+ and one Mo6+ atom. In the tenth O2- site, O2- is bonded in a 3-coordinate geometry to two Li1+ and one Mo6+ atom. In the eleventh O2- site, O2- is bonded in a 2-coordinate geometry to two Li1+ and one Mo6+ atom. In the twelfth O2- site, O2- is bonded in a 2-coordinate geometry to two Li1+ and one Mo6+ atom. In the thirteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Ho3+, and one Mo6+ atom. In the fourteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ho3+ and one Mo6+ atom. In the fifteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ho3+ and one Mo6+ atom. In the sixteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Ho3+, and one Mo6+ atom. In the seventeenth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Ho3+, and one Mo6+ atom. In the eighteenth O2- site, O2- is bonded in a 3-coordinate geometry to two Li1+ and one Mo6+ atom. In the nineteenth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Ho3+, and one Mo6+ atom. In the twentieth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Ho3+, and one Mo6+ atom. In the twenty-first O2- site, O2- is bonded in a 3-coordinate geometry to two Li1+ and one Mo6+ atom. In the twenty-second O2- site, O2- is bonded in a 3-coordinate geometry to two Li1+ and one Mo6+ atom. In the twenty-third O2- site, O2- is bonded in a 3-coordinate geometry to two Li1+ and one Mo6+ atom. In the twenty-fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Li1+ and one Mo6+ atom. In the twenty-fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ho3+ and one Mo6+ atom. In the twenty-sixth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Ho3+, and one Mo6+ atom. In the twenty-seventh O2- site, O2- is bonded in a 1-coordinate geometry to one Li1+, one Ho3+, and one Mo6+ atom. In the twenty-eighth O2- site, O2- is bonded in a 3-coordinate geometry to two Ho3+ and one Mo6+ atom. In the twenty-ninth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Ho3+, and one Mo6+ atom. In the thirtieth O2- site, O2- is bonded in a 3-coordinate geometry to two Li1+ and one Mo6+ atom. In the thirty-first O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Ho3+, and one Mo6+ atom. In the thirty-second O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Ho3+, and one Mo6+ atom.

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Materials Data on YLu3Cr4O16 by Materials Project

Lu3YCr4O16 is Zircon-derived structured and crystallizes in the orthorhombic C222 space group. The structure is three-dimensional. there are two inequivalent Lu3+ sites. In the first Lu3+ site, Lu3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are four shorter (2.26 Å) and four longer (2.41 Å) Lu–O bond lengths. In the second Lu3+ site, Lu3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Lu–O bond distances ranging from 2.27–2.41 Å. Y3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are four shorter (2.31 Å) and four longer (2.44 Å) Y–O bond lengths. There are three inequivalent Cr5+ sites. In the first Cr5+ site, Cr5+ is bonded in a tetrahedral geometry to four equivalent O2- atoms. All Cr–O bond lengths are 1.72 Å. In the second Cr5+ site, Cr5+ is bonded in a tetrahedral geometry to four equivalent O2- atoms. All Cr–O bond lengths are 1.73 Å. In the third Cr5+ site, Cr5+ is bonded in a tetrahedral geometry to four O2- atoms. All Cr–O bond lengths are 1.72 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to one Lu3+, one Y3+, and one Cr5+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to two Lu3+ and one Cr5+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to one Lu3+, one Y3+, and one Cr5+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two Lu3+ and one Cr5+ atom.

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Materials Data on YEr3V4O16 by Materials Project

Er3YV4O16 is Zircon-derived structured and crystallizes in the orthorhombic C222 space group. The structure is three-dimensional. there are two inequivalent Er3+ sites. In the first Er3+ site, Er3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are four shorter (2.29 Å) and four longer (2.45 Å) Er–O bond lengths. In the second Er3+ site, Er3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Er–O bond distances ranging from 2.30–2.45 Å. Y3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are four shorter (2.32 Å) and four longer (2.46 Å) Y–O bond lengths. There are three inequivalent V5+ sites. In the first V5+ site, V5+ is bonded in a tetrahedral geometry to four equivalent O2- atoms. All V–O bond lengths are 1.74 Å. In the second V5+ site, V5+ is bonded in a tetrahedral geometry to four equivalent O2- atoms. All V–O bond lengths are 1.74 Å. In the third V5+ site, V5+ is bonded in a tetrahedral geometry to four O2- atoms. All V–O bond lengths are 1.74 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to one Er3+, one Y3+, and one V5+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to two Er3+ and one V5+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to one Er3+, one Y3+, and one V5+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two Er3+ and one V5+ atom.

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Materials Data on GdPO4 by Materials Project

GdPO4 is Zircon structured and crystallizes in the tetragonal I4_1/amd space group. The structure is three-dimensional. Gd3+ is bonded in a 8-coordinate geometry to eight equivalent O2- atoms. There are four shorter (2.38 Å) and four longer (2.43 Å) Gd–O bond lengths. P5+ is bonded in a tetrahedral geometry to four equivalent O2- atoms. All P–O bond lengths are 1.56 Å. O2- is bonded in a 1-coordinate geometry to two equivalent Gd3+ and one P5+ atom.

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Materials Data on KBaGd(MoO4)3 by Materials Project

KBaGd(MoO4)3 is Zircon-derived structured and crystallizes in the monoclinic C2 space group. The structure is three-dimensional. K1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of K–O bond distances ranging from 2.75–2.94 Å. Ba2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.70–2.91 Å. There are two inequivalent Gd3+ sites. In the first Gd3+ site, Gd3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Gd–O bond distances ranging from 2.36–2.54 Å. In the second Gd3+ site, Gd3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Gd–O bond distances ranging from 2.42–2.47 Å. There are four inequivalent Mo6+ sites. In the first Mo6+ site, Mo6+ is bonded in a tetrahedral geometry to four O2- atoms. There is two shorter (1.78 Å) and two longer (1.82 Å) Mo–O bond length. In the second Mo6+ site, Mo6+ is bonded in a tetrahedral geometry to four O2- atoms. There is two shorter (1.78 Å) and two longer (1.83 Å) Mo–O bond length. In the third Mo6+ site, Mo6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Mo–O bond distances ranging from 1.76–1.88 Å. In the fourth Mo6+ site, Mo6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Mo–O bond distances ranging from 1.77–1.89 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one K1+, one Ba2+, and one Mo6+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to one K1+, one Ba2+, and one Mo6+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one K1+, one Gd3+, and one Mo6+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to one Ba2+, one Gd3+, and one Mo6+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to one K1+, one Gd3+, and one Mo6+ atom. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to one Ba2+, one Gd3+, and one Mo6+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to one K1+, one Ba2+, and one Mo6+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+, one Ba2+, and one Mo6+ atom. In the ninth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Gd3+ and one Mo6+ atom. In the tenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Gd3+ and one Mo6+ atom. In the eleventh O2- site, O2- is bonded in a distorted single-bond geometry to one K1+, one Ba2+, and one Mo6+ atom. In the twelfth O2- site, O2- is bonded in a distorted single-bond geometry to one K1+, one Ba2+, and one Mo6+ atom.

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