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Materials Data on Li3Cr(CO3)3 by Materials Project

Li3Cr(CO3)3 crystallizes in the orthorhombic Ama2 space group. The structure is three-dimensional. there are three inequivalent Li1+ sites. In the first 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 1.99–2.60 Å. In the second 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 2.00–2.40 Å. In the third Li1+ site, Li1+ is bonded in a 3-coordinate geometry to four O2- atoms. There are three shorter (1.95 Å) and one longer (2.40 Å) Li–O bond lengths. Cr3+ is bonded in an octahedral geometry to six O2- atoms. There are a spread of Cr–O bond distances ranging from 1.93–2.13 Å. There are two inequivalent C4+ sites. In the first C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of C–O bond distances ranging from 1.26–1.33 Å. In the second C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of C–O bond distances ranging from 1.27–1.33 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to three Li1+, one Cr3+, and one C4+ atom. In the second O2- site, O2- is bonded in a distorted T-shaped geometry to two Li1+ and one C4+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two Li1+ and one C4+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Cr3+, and one C4+ atom. In the fifth O2- site, O2- is bonded to two Li1+, one Cr3+, and one C4+ atom to form a mixture of distorted edge and corner-sharing OLi2CrC tetrahedra. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to one Li1+, one Cr3+, and one C4+ atom.

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Materials Data on Li5Cr3FeO8 by Materials Project

LiCrO2Li4Cr2FeO6 crystallizes in the triclinic P-1 space group. The structure is three-dimensional and consists of one LiCrO2 ribbon oriented in the (0, 1, 1) direction and one Li4Cr2FeO6 framework. In the LiCrO2 ribbon, Li1+ is bonded in a distorted linear geometry to two equivalent O2- atoms. Both Li–O bond lengths are 1.62 Å. Cr3+ is bonded in a linear geometry to two equivalent O2- atoms. Both Cr–O bond lengths are 1.43 Å. O2- is bonded in a distorted linear geometry to one Li1+ and one Cr3+ atom. In the Li4Cr2FeO6 framework, there are three inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Li–O bond distances ranging from 1.68–1.99 Å. In the second Li1+ site, Li1+ is bonded in a linear geometry to two equivalent O2- atoms. Both Li–O bond lengths are 1.64 Å. In the third Li1+ site, Li1+ is bonded in a distorted linear geometry to two equivalent O2- atoms. Both Li–O bond lengths are 1.56 Å. There are two inequivalent Cr3+ sites. In the first Cr3+ site, Cr3+ is bonded in a distorted linear geometry to two equivalent O2- atoms. Both Cr–O bond lengths are 1.48 Å. In the second Cr3+ site, Cr3+ is bonded in a linear geometry to two equivalent O2- atoms. Both Cr–O bond lengths are 1.40 Å. Fe2+ is bonded in a linear geometry to two equivalent O2- atoms. Both Fe–O bond lengths are 1.61 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to two Li1+ and one Cr3+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two Li1+ and one Cr3+ atom. In the third O2- site, O2- is bonded in a distorted water-like geometry to one Li1+ and one Fe2+ atom.

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Materials Data on Cs3Cr2Br9 by Materials Project

Cs3Cr2Br9 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent Cs1+ sites. In the first Cs1+ site, Cs1+ is bonded to twelve Br1- atoms to form distorted CsBr12 cuboctahedra that share corners with nine CsBr12 cuboctahedra, corners with three equivalent CrBr6 octahedra, faces with seven CsBr12 cuboctahedra, and faces with four equivalent CrBr6 octahedra. The corner-sharing octahedral tilt angles are 14°. There are a spread of Cs–Br bond distances ranging from 3.81–4.30 Å. In the second Cs1+ site, Cs1+ is bonded to twelve Br1- atoms to form CsBr12 cuboctahedra that share corners with twelve CsBr12 cuboctahedra, faces with six equivalent CsBr12 cuboctahedra, and faces with six equivalent CrBr6 octahedra. There are six shorter (3.88 Å) and six longer (3.90 Å) Cs–Br bond lengths. Cr3+ is bonded to six Br1- atoms to form CrBr6 octahedra that share corners with three equivalent CsBr12 cuboctahedra, faces with seven CsBr12 cuboctahedra, and a faceface with one CrBr6 octahedra. There are three shorter (2.47 Å) and three longer (2.60 Å) Cr–Br bond lengths. There are two inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a distorted single-bond geometry to four Cs1+ and one Cr3+ atom. In the second Br1- site, Br1- is bonded in a 2-coordinate geometry to four Cs1+ and two equivalent Cr3+ atoms.

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Materials Data on MgCrF5 by Materials Project

MgCrF5 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Mg2+ is bonded to seven F1- atoms to form distorted MgF7 pentagonal bipyramids that share corners with four equivalent CrF6 octahedra, edges with two equivalent CrF6 octahedra, and edges with two equivalent MgF7 pentagonal bipyramids. The corner-sharing octahedra tilt angles range from 7–36°. There are a spread of Mg–F bond distances ranging from 1.93–2.48 Å. Cr3+ is bonded to six F1- atoms to form CrF6 octahedra that share corners with two equivalent CrF6 octahedra, corners with four equivalent MgF7 pentagonal bipyramids, and edges with two equivalent MgF7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 41°. There are a spread of Cr–F bond distances ranging from 1.92–1.98 Å. There are three inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted trigonal planar geometry to one Mg2+ and two equivalent Cr3+ atoms. In the second F1- site, F1- is bonded in a linear geometry to one Mg2+ and one Cr3+ atom. In the third F1- site, F1- is bonded in a 2-coordinate geometry to two equivalent Mg2+ and one Cr3+ atom.

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Materials Data on CaCrF5 by Materials Project

CaCrF5 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Ca2+ is bonded to seven F1- atoms to form distorted CaF7 pentagonal bipyramids that share corners with four equivalent CrF6 octahedra, edges with two equivalent CrF6 octahedra, and edges with two equivalent CaF7 pentagonal bipyramids. The corner-sharing octahedra tilt angles range from 13–45°. There are a spread of Ca–F bond distances ranging from 2.23–2.54 Å. Cr3+ is bonded to six F1- atoms to form CrF6 octahedra that share corners with two equivalent CrF6 octahedra, corners with four equivalent CaF7 pentagonal bipyramids, and edges with two equivalent CaF7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 30°. There are a spread of Cr–F bond distances ranging from 1.90–1.98 Å. There are five inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted trigonal non-coplanar geometry to two equivalent Ca2+ and one Cr3+ atom. In the second F1- site, F1- is bonded in a 3-coordinate geometry to two equivalent Ca2+ and one Cr3+ atom. In the third F1- site, F1- is bonded in a bent 150 degrees geometry to one Ca2+ and one Cr3+ atom. In the fourth F1- site, F1- is bonded in a linear geometry to one Ca2+ and one Cr3+ atom. In the fifth F1- site, F1- is bonded in a 2-coordinate geometry to one Ca2+ and two equivalent Cr3+ atoms.

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Materials Data on K2CrF5 by Materials Project

K2CrF5 crystallizes in the orthorhombic Pbcn space group. The structure is three-dimensional. there are five inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 8-coordinate geometry to eight F1- atoms. There are a spread of K–F bond distances ranging from 2.66–2.89 Å. In the second K1+ site, K1+ is bonded in a 11-coordinate geometry to eleven F1- atoms. There are a spread of K–F bond distances ranging from 2.74–3.18 Å. In the third K1+ site, K1+ is bonded in a 11-coordinate geometry to eleven F1- atoms. There are a spread of K–F bond distances ranging from 2.65–3.27 Å. In the fourth K1+ site, K1+ is bonded in a 10-coordinate geometry to ten F1- atoms. There are a spread of K–F bond distances ranging from 2.65–3.06 Å. In the fifth K1+ site, K1+ is bonded in a 10-coordinate geometry to ten F1- atoms. There are a spread of K–F bond distances ranging from 2.76–3.10 Å. There are two inequivalent Cr3+ sites. In the first Cr3+ site, Cr3+ is bonded to six F1- atoms to form corner-sharing CrF6 octahedra. The corner-sharing octahedra tilt angles range from 0–4°. There are a spread of Cr–F bond distances ranging from 1.91–2.02 Å. In the second Cr3+ site, Cr3+ is bonded to six F1- atoms to form corner-sharing CrF6 octahedra. The corner-sharing octahedra tilt angles range from 4–13°. There are a spread of Cr–F bond distances ranging from 1.91–2.02 Å. There are eleven inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted single-bond geometry to four K1+ and one Cr3+ atom. In the second F1- site, F1- is bonded in a 1-coordinate geometry to four K1+ and one Cr3+ atom. In the third F1- site, F1- is bonded in a 1-coordinate geometry to four K1+ and one Cr3+ atom. In the fourth F1- site, F1- is bonded in a 1-coordinate geometry to four K1+ and one Cr3+ atom. In the fifth F1- site, F1- is bonded in a 5-coordinate geometry to four K1+ and one Cr3+ atom. In the sixth F1- site, F1- is bonded in a linear geometry to four K1+ and two equivalent Cr3+ atoms. In the seventh F1- site, F1- is bonded in a linear geometry to four K1+ and two Cr3+ atoms. In the eighth F1- site, F1- is bonded in a 2-coordinate geometry to three K1+ and two equivalent Cr3+ atoms. In the ninth F1- site, F1- is bonded in a 1-coordinate geometry to five K1+ and one Cr3+ atom. In the tenth F1- site, F1- is bonded in a distorted single-bond geometry to four K1+ and one Cr3+ atom. In the eleventh F1- site, F1- is bonded in a distorted single-bond geometry to four K1+ and one Cr3+ atom.

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Materials Data on Na2CrPCO7 by Materials Project

Na2CrCPO7 crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. Na1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Na–O bond distances ranging from 2.25–2.69 Å. Cr3+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with four equivalent PO4 tetrahedra. There are a spread of Cr–O bond distances ranging from 2.03–2.06 Å. C4+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.25 Å) and two longer (1.32 Å) C–O bond length. P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four equivalent CrO6 octahedra. The corner-sharing octahedra tilt angles range from 41–51°. There are a spread of P–O bond distances ranging from 1.55–1.57 Å. 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 C4+ atom. In the second O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two equivalent Na1+, one Cr3+, and one C4+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Na1+, one Cr3+, and one C4+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Cr3+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two equivalent Na1+, one Cr3+, and one P5+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Na1+, one Cr3+, and one P5+ atom.

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Materials Data on BaCrCdF7 by Materials Project

BaCrCdF7 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Ba2+ is bonded in a 11-coordinate geometry to eleven F1- atoms. There are a spread of Ba–F bond distances ranging from 2.69–3.25 Å. Cr3+ is bonded to six F1- atoms to form CrF6 octahedra that share corners with two equivalent CdF6 octahedra. The corner-sharing octahedra tilt angles range from 49–60°. There are a spread of Cr–F bond distances ranging from 1.92–1.97 Å. There are two inequivalent Cd2+ sites. In the first Cd2+ site, Cd2+ is bonded to six F1- atoms to form CdF6 octahedra that share corners with four equivalent CrF6 octahedra. The corner-sharing octahedra tilt angles range from 49–60°. There are a spread of Cd–F bond distances ranging from 2.20–2.35 Å. In the second Cd2+ site, Cd2+ is bonded in a 8-coordinate geometry to eight F1- atoms. There are a spread of Cd–F bond distances ranging from 2.22–2.72 Å. There are seven inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted single-bond geometry to two equivalent Ba2+, one Cr3+, and one Cd2+ atom. In the second F1- site, F1- is bonded in a 3-coordinate geometry to one Ba2+, one Cr3+, and one Cd2+ atom. In the third F1- site, F1- is bonded in a 1-coordinate geometry to two equivalent Ba2+, one Cr3+, and one Cd2+ atom. In the fourth F1- site, F1- is bonded in a 2-coordinate geometry to two equivalent Ba2+, one Cr3+, and one Cd2+ atom. In the fifth F1- site, F1- is bonded in a distorted trigonal planar geometry to one Ba2+ and two Cd2+ atoms. In the sixth F1- site, F1- is bonded in a 3-coordinate geometry to one Ba2+, one Cr3+, and one Cd2+ atom. In the seventh F1- site, F1- is bonded in a distorted single-bond geometry to two equivalent Ba2+ and one Cr3+ atom.

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Materials Data on LiCr4P7O24 by Materials Project

LiCr4P7O24 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. Li1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 2.05–2.72 Å. There are four inequivalent Cr3+ sites. In the first Cr3+ site, Cr3+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with six PO4 tetrahedra and an edgeedge with one CrO6 octahedra. There are a spread of Cr–O bond distances ranging from 1.94–2.08 Å. In the second Cr3+ site, Cr3+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with six PO4 tetrahedra and an edgeedge with one CrO6 octahedra. There are a spread of Cr–O bond distances ranging from 1.96–2.12 Å. In the third Cr3+ site, Cr3+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with six PO4 tetrahedra and an edgeedge with one CrO6 octahedra. There are a spread of Cr–O bond distances ranging from 1.94–2.13 Å. In the fourth Cr3+ site, Cr3+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with six PO4 tetrahedra and an edgeedge with one CrO6 octahedra. There are a spread of Cr–O bond distances ranging from 1.92–2.14 Å. There are seven inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three CrO6 octahedra and corners with two PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 23–53°. There are a spread of P–O bond distances ranging from 1.48–1.61 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three CrO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 38–47°. There are a spread of P–O bond distances ranging from 1.51–1.63 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three CrO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 17–57°. There are a spread of P–O bond distances ranging from 1.50–1.65 Å. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four CrO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 17–58°. There are a spread of P–O bond distances ranging from 1.49–1.61 Å. In the fifth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two CrO6 octahedra and corners with two PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 28–39°. There are a spread of P–O bond distances ranging from 1.49–1.63 Å. In the sixth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four CrO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 8–54°. There are a spread of P–O bond distances ranging from 1.50–1.61 Å. In the seventh P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with five CrO6 octahedra. The corner-sharing octahedra tilt angles range from 14–54°. There are a spread of P–O bond distances ranging from 1.52–1.61 Å. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted linear geometry to one Cr3+ and one P5+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Li1+, one Cr3+, and one P5+ atom. In the third O2- site, O2- is bonded in a linear geometry to one Cr3+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to one Cr3+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Cr3+, and one P5+ atom. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Cr3+, and one P5+ atom. In the seventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Cr3+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Cr3+ and one P5+ atom. In the ninth O2- site, O2- is bonded in a bent 120 degrees geometry to one Cr3+ and one P5+ atom. In the tenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two P5+ atoms. In the eleventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two P5+ atoms. In the twelfth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two P5+ atoms. In the thirteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Cr3+ and one P5+ atom. In the fourteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Cr3+ and one P5+ atom. In the fifteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Cr3+ and one P5+ atom. In the sixteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Cr3+ and one P5+ atom. In the seventeenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Cr3+ and one P5+ atom. In the eighteenth O2- site, O2- is bonded in a distorted linear geometry to one Cr3+ and one P5+ atom. In the nineteenth O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the twentieth O2- site, O2- is bonded in a bent 150 degrees geometry to one Cr3+ and one P5+ atom. In the twenty-first O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Cr3+ and one P5+ atom. In the twenty-second O2- site, O2- is bonded in a distorted trigonal planar geometry to two Cr3+ and one P5+ atom. In the twenty-third O2- site, O2- is bonded in a bent 150 degrees geometry to one Cr3+ and one P5+ atom. In the twenty-fourth O2- site, O2- is bonded in a linear geometry to one Cr3+ and one P5+ atom.

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Materials Data on CsCrAs2O7 by Materials Project

CsCrAs2O7 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Cs1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Cs–O bond distances ranging from 3.02–3.48 Å. Cr3+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with six AsO4 tetrahedra. There are a spread of Cr–O bond distances ranging from 2.00–2.07 Å. There are two inequivalent As5+ sites. In the first As5+ site, As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with three equivalent CrO6 octahedra and a cornercorner with one AsO4 tetrahedra. The corner-sharing octahedra tilt angles range from 27–54°. There are a spread of As–O bond distances ranging from 1.70–1.81 Å. In the second As5+ site, As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with three equivalent CrO6 octahedra and a cornercorner with one AsO4 tetrahedra. The corner-sharing octahedra tilt angles range from 18–47°. There are a spread of As–O bond distances ranging from 1.68–1.81 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Cs1+, one Cr3+, and one As5+ atom. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two equivalent Cs1+, one Cr3+, and one As5+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Cs1+, one Cr3+, and one As5+ atom. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to one Cs1+, one Cr3+, and one As5+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two equivalent Cs1+, one Cr3+, and one As5+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Cs1+, one Cr3+, and one As5+ atom. In the seventh O2- site, O2- is bonded in a bent 120 degrees geometry to one Cs1+ and two As5+ atoms.

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Materials Data on Sr2CrSbO6 by Materials Project

Sr2CrSbO6 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Sr2+ is bonded in a 12-coordinate geometry to twelve O2- atoms. There are a spread of Sr–O bond distances ranging from 2.56–3.13 Å. Cr3+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with six equivalent SbO6 octahedra. The corner-sharing octahedra tilt angles range from 13–17°. All Cr–O bond lengths are 2.03 Å. Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with six equivalent CrO6 octahedra. The corner-sharing octahedra tilt angles range from 13–17°. All Sb–O bond lengths are 2.00 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 5-coordinate geometry to four equivalent Sr2+, one Cr3+, and one Sb5+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to four equivalent Sr2+, one Cr3+, and one Sb5+ atom.

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Materials Data on BaNaCrF6 by Materials Project

NaBaCrF6 crystallizes in the orthorhombic Pna2_1 space group. The structure is three-dimensional. there are two inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight F1- atoms. There are a spread of Na–F bond distances ranging from 2.35–2.90 Å. In the second Na1+ site, Na1+ is bonded in a 8-coordinate geometry to eight F1- atoms. There are a spread of Na–F bond distances ranging from 2.35–2.84 Å. There are two 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 2.66–3.24 Å. In the second 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 2.66–3.29 Å. There are two inequivalent Cr3+ sites. In the first Cr3+ site, Cr3+ is bonded in an octahedral geometry to six F1- atoms. There are a spread of Cr–F bond distances ranging from 1.93–1.96 Å. In the second Cr3+ site, Cr3+ is bonded in an octahedral geometry to six F1- atoms. There are a spread of Cr–F bond distances ranging from 1.93–1.96 Å. There are twelve inequivalent F1- sites. In the first F1- site, F1- is bonded in a 2-coordinate geometry to one Na1+, two Ba2+, and one Cr3+ atom. In the second F1- site, F1- is bonded in a 2-coordinate geometry to one Na1+, two equivalent Ba2+, and one Cr3+ atom. In the third F1- site, F1- is bonded in a 1-coordinate geometry to two Na1+, one Ba2+, and one Cr3+ atom. In the fourth F1- site, F1- is bonded in a 1-coordinate geometry to one Na1+, two Ba2+, and one Cr3+ atom. In the fifth F1- site, F1- is bonded in a 1-coordinate geometry to one Na1+, two Ba2+, and one Cr3+ atom. In the sixth F1- site, F1- is bonded in a 2-coordinate geometry to one Na1+, two equivalent Ba2+, and one Cr3+ atom. In the seventh F1- site, F1- is bonded in a 4-coordinate geometry to two Na1+, one Ba2+, and one Cr3+ atom. In the eighth F1- site, F1- is bonded in a 4-coordinate geometry to two Na1+, one Ba2+, and one Cr3+ atom. In the ninth F1- site, F1- is bonded in a 4-coordinate geometry to one Na1+, two Ba2+, and one Cr3+ atom. In the tenth F1- site, F1- is bonded in a 1-coordinate geometry to one Na1+, two Ba2+, and one Cr3+ atom. In the eleventh F1- site, F1- is bonded in a 1-coordinate geometry to one Na1+, two Ba2+, and one Cr3+ atom. In the twelfth F1- site, F1- is bonded in a 4-coordinate geometry to two Na1+, one Ba2+, and one Cr3+ atom.

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Materials Data on LaCrSe2O by Materials Project

LaCrOSe2 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. La3+ is bonded in a 3-coordinate geometry to two equivalent Se2- and three equivalent O2- atoms. There are one shorter (3.17 Å) and one longer (3.24 Å) La–Se bond lengths. There are two shorter (2.36 Å) and one longer (2.45 Å) La–O bond lengths. Cr3+ is bonded to five Se2- and one O2- atom to form distorted edge-sharing CrSe5O octahedra. There are a spread of Cr–Se bond distances ranging from 2.56–2.66 Å. The Cr–O bond length is 2.03 Å. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 2-coordinate geometry to two equivalent Cr3+ atoms. In the second Se2- site, Se2- is bonded in a 5-coordinate geometry to two equivalent La3+ and three equivalent Cr3+ atoms. O2- is bonded to three equivalent La3+ and one Cr3+ atom to form a mixture of edge and corner-sharing OLa3Cr tetrahedra.

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Materials Data on Cs3Cr2I9 by Materials Project

Cs3Cr2I9 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Cs1+ is bonded in a 10-coordinate geometry to ten I1- atoms. There are a spread of Cs–I bond distances ranging from 4.06–4.44 Å. Cr3+ is bonded to six I1- atoms to form face-sharing CrI6 octahedra. There are three shorter (2.70 Å) and three longer (2.81 Å) Cr–I bond lengths. There are two inequivalent I1- sites. In the first I1- site, I1- is bonded in a distorted single-bond geometry to three equivalent Cs1+ and one Cr3+ atom. In the second I1- site, I1- is bonded in a 2-coordinate geometry to four equivalent Cs1+ and two equivalent Cr3+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Cs2NaCrF6 by Materials Project

Cs2NaCrF6 crystallizes in the trigonal R-3m space group. The structure is three-dimensional. there are two inequivalent Cs1+ sites. In the first Cs1+ site, Cs1+ is bonded to twelve F1- atoms to form distorted CsF12 cuboctahedra that share corners with nine CsF12 cuboctahedra, corners with three equivalent CrF6 octahedra, faces with seven CsF12 cuboctahedra, faces with three equivalent CrF6 octahedra, and faces with four equivalent NaF6 octahedra. The corner-sharing octahedral tilt angles are 12°. There are a spread of Cs–F bond distances ranging from 3.19–3.40 Å. In the second Cs1+ site, Cs1+ is bonded to twelve F1- atoms to form distorted CsF12 cuboctahedra that share corners with nine CsF12 cuboctahedra, corners with three equivalent NaF6 octahedra, faces with seven CsF12 cuboctahedra, faces with three equivalent NaF6 octahedra, and faces with four CrF6 octahedra. The corner-sharing octahedral tilt angles are 1°. There are a spread of Cs–F bond distances ranging from 3.18–3.28 Å. Na1+ is bonded to six F1- atoms to form distorted NaF6 octahedra that share corners with three equivalent CsF12 cuboctahedra, corners with three equivalent CrF6 octahedra, faces with seven CsF12 cuboctahedra, and a faceface with one CrF6 octahedra. The corner-sharing octahedral tilt angles are 8°. There are three shorter (2.30 Å) and three longer (2.40 Å) Na–F bond lengths. There are two inequivalent Cr3+ sites. In the first Cr3+ site, Cr3+ is bonded to six equivalent F1- atoms to form CrF6 octahedra that share corners with six equivalent NaF6 octahedra and faces with eight CsF12 cuboctahedra. The corner-sharing octahedral tilt angles are 8°. All Cr–F bond lengths are 1.97 Å. In the second Cr3+ site, Cr3+ is bonded to six equivalent F1- atoms to form CrF6 octahedra that share corners with six equivalent CsF12 cuboctahedra, faces with six equivalent CsF12 cuboctahedra, and faces with two equivalent NaF6 octahedra. All Cr–F bond lengths are 1.96 Å. There are two inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted linear geometry to four Cs1+, one Na1+, and one Cr3+ atom. In the second F1- site, F1- is bonded in a 2-coordinate geometry to four Cs1+, one Na1+, and one Cr3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Cs3Cr2I9 by Materials Project

Cs3Cr2I9 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent Cs1+ sites. In the first Cs1+ site, Cs1+ is bonded to nine equivalent I1- atoms to form distorted CsI9 cuboctahedra that share corners with nine CsI9 cuboctahedra, edges with three equivalent CsI12 cuboctahedra, edges with three equivalent CrI6 octahedra, faces with three equivalent CsI9 cuboctahedra, and a faceface with one CrI6 octahedra. There are three shorter (4.07 Å) and six longer (4.17 Å) Cs–I bond lengths. In the second Cs1+ site, Cs1+ is bonded to twelve I1- atoms to form CsI12 cuboctahedra that share corners with twelve CsI9 cuboctahedra, edges with six equivalent CsI9 cuboctahedra, and faces with six equivalent CrI6 octahedra. There are six shorter (4.14 Å) and six longer (4.15 Å) Cs–I bond lengths. Cr3+ is bonded to six I1- atoms to form CrI6 octahedra that share edges with three equivalent CsI9 cuboctahedra, faces with four CsI9 cuboctahedra, and a faceface with one CrI6 octahedra. There are three shorter (2.71 Å) and three longer (2.82 Å) Cr–I bond lengths. There are two inequivalent I1- sites. In the first I1- site, I1- is bonded in a distorted single-bond geometry to four Cs1+ and one Cr3+ atom. In the second I1- site, I1- is bonded in a 2-coordinate geometry to two equivalent Cs1+ and two equivalent Cr3+ atoms.

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Materials Data on RbMgCrF6 by Materials Project

RbMgCrF6 crystallizes in the orthorhombic Imma space group. The structure is three-dimensional. Rb1+ is bonded to six F1- atoms to form RbF6 octahedra that share corners with six equivalent MgF6 octahedra and corners with six equivalent CrF6 octahedra. The corner-sharing octahedra tilt angles range from 68–69°. There are a spread of Rb–F bond distances ranging from 3.14–3.24 Å. Mg2+ is bonded to six F1- atoms to form MgF6 octahedra that share corners with two equivalent MgF6 octahedra, corners with four equivalent CrF6 octahedra, and corners with six equivalent RbF6 octahedra. The corner-sharing octahedra tilt angles range from 43–69°. There is two shorter (1.97 Å) and four longer (2.02 Å) Mg–F bond length. Cr3+ is bonded to six F1- atoms to form CrF6 octahedra that share corners with two equivalent CrF6 octahedra, corners with four equivalent MgF6 octahedra, and corners with six equivalent RbF6 octahedra. The corner-sharing octahedra tilt angles range from 42–69°. There is four shorter (1.93 Å) and two longer (1.97 Å) Cr–F bond length. There are three inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Rb1+ and two equivalent Cr3+ atoms. In the second F1- site, F1- is bonded in a 2-coordinate geometry to one Rb1+ and two equivalent Mg2+ atoms. In the third F1- site, F1- is bonded in a 2-coordinate geometry to one Rb1+, one Mg2+, and one Cr3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on KBaCr2(PO4)3 by Materials Project

KBaCr2(PO4)3 crystallizes in the cubic P2_13 space group. The structure is three-dimensional. K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.83–3.15 Å. Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.87–3.00 Å. There are two inequivalent Cr3+ sites. In the first Cr3+ site, Cr3+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with six equivalent PO4 tetrahedra. There are three shorter (1.99 Å) and three longer (2.02 Å) Cr–O bond lengths. In the second Cr3+ site, Cr3+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with six equivalent PO4 tetrahedra. There are three shorter (2.01 Å) and three longer (2.04 Å) Cr–O bond lengths. P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four CrO6 octahedra. The corner-sharing octahedra tilt angles range from 16–52°. There are a spread of P–O bond distances ranging from 1.54–1.56 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to one K1+, one Ba2+, one Cr3+, and one P5+ atom. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Ba2+, one Cr3+, and one P5+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to one K1+, one Cr3+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one K1+, one Ba2+, one Cr3+, and one P5+ atom.

36 MATERIALS SCIENCE↗