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Materials Data on ZnH2SeO5 by Materials Project

ZnH2SeO5 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Zn2+ is bonded to six O2- atoms to form ZnO6 octahedra that share corners with two equivalent ZnO6 octahedra and corners with four equivalent SeO4 tetrahedra. The corner-sharing octahedral tilt angles are 55°. There are a spread of Zn–O bond distances ranging from 2.05–2.24 Å. H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.74 Å) H–O bond length. Se6+ is bonded to four O2- atoms to form SeO4 tetrahedra that share corners with four equivalent ZnO6 octahedra. The corner-sharing octahedra tilt angles range from 47–54°. There is two shorter (1.67 Å) and two longer (1.69 Å) Se–O bond length. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Zn2+ and one Se6+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to one Zn2+, one H1+, and one Se6+ atom. In the third O2- site, O2- is bonded in a distorted water-like geometry to two equivalent Zn2+ and two equivalent H1+ atoms.

36 MATERIALS SCIENCE↗
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Materials Data on MgH2SO5 by Materials Project

MgH2SO5 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with two equivalent MgO6 octahedra and corners with four equivalent SO4 tetrahedra. The corner-sharing octahedral tilt angles are 56°. There are a spread of Mg–O bond distances ranging from 2.04–2.20 Å. H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. S6+ is bonded to four O2- atoms to form SO4 tetrahedra that share corners with four equivalent MgO6 octahedra. The corner-sharing octahedra tilt angles range from 39–47°. There is two shorter (1.47 Å) and two longer (1.50 Å) S–O bond length. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Mg2+ and one S6+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to one Mg2+ and one S6+ atom. In the third O2- site, O2- is bonded in a distorted water-like geometry to two equivalent Mg2+ and two equivalent H1+ atoms.

36 MATERIALS SCIENCE↗
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Materials Data on BaNdCo2O5 by Materials Project

NdBaCo2O5 crystallizes in the orthorhombic Pmmm space group. The structure is three-dimensional. Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with four equivalent BaO12 cuboctahedra, faces with four equivalent BaO12 cuboctahedra, and faces with eight equivalent CoO5 trigonal bipyramids. There are a spread of Ba–O bond distances ranging from 2.80–3.14 Å. Nd3+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are four shorter (2.48 Å) and four longer (2.50 Å) Nd–O bond lengths. Co+2.50+ is bonded to five O2- atoms to form CoO5 trigonal bipyramids that share corners with five equivalent CoO5 trigonal bipyramids and faces with four equivalent BaO12 cuboctahedra. There are a spread of Co–O bond distances ranging from 1.99–2.04 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Nd3+, and two equivalent Co+2.50+ atoms. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Nd3+, and two equivalent Co+2.50+ atoms. In the third O2- site, O2- is bonded to four equivalent Ba2+ and two equivalent Co+2.50+ atoms to form a mixture of distorted edge and corner-sharing OBa4Co2 octahedra. The corner-sharing octahedral tilt angles are 0°.

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Materials Data on BaDyFe2O5 by Materials Project

BaDyFe2O5 crystallizes in the orthorhombic Pmma space group. The structure is three-dimensional. Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with four equivalent BaO12 cuboctahedra, faces with four equivalent BaO12 cuboctahedra, and faces with eight FeO5 square pyramids. There are a spread of Ba–O bond distances ranging from 2.81–3.17 Å. Dy3+ is bonded in a body-centered cubic geometry to eight O2- atoms. All Dy–O bond lengths are 2.44 Å. There are two inequivalent Fe+2.50+ sites. In the first Fe+2.50+ site, Fe+2.50+ is bonded to five O2- atoms to form distorted FeO5 square pyramids that share corners with five FeO5 square pyramids and faces with four equivalent BaO12 cuboctahedra. There are a spread of Fe–O bond distances ranging from 1.92–2.03 Å. In the second Fe+2.50+ site, Fe+2.50+ is bonded to five O2- atoms to form FeO5 square pyramids that share corners with five FeO5 square pyramids and faces with four equivalent BaO12 cuboctahedra. There are a spread of Fe–O bond distances ranging from 2.01–2.28 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Dy3+, and two Fe+2.50+ atoms. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Dy3+, and two equivalent Fe+2.50+ atoms. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Dy3+, and two equivalent Fe+2.50+ atoms. In the fourth O2- site, O2- is bonded to four equivalent Ba2+ and two Fe+2.50+ atoms to form a mixture of distorted edge and corner-sharing OBa4Fe2 octahedra. The corner-sharing octahedral tilt angles are 0°.

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Materials Data on Al3V by Materials Project

Al3V crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. V is bonded to twelve Al atoms to form VAl12 cuboctahedra that share corners with four equivalent VAl12 cuboctahedra, corners with eight equivalent AlAl8V4 cuboctahedra, edges with eight equivalent VAl12 cuboctahedra, edges with sixteen equivalent AlAl8V4 cuboctahedra, faces with four equivalent VAl12 cuboctahedra, and faces with fourteen AlAl8V4 cuboctahedra. There are four shorter (2.66 Å) and eight longer (2.80 Å) V–Al bond lengths. There are two inequivalent Al sites. In the first Al site, Al is bonded to four equivalent V and eight equivalent Al atoms to form AlAl8V4 cuboctahedra that share corners with four equivalent AlAl8V4 cuboctahedra, corners with eight equivalent VAl12 cuboctahedra, edges with twenty-four AlAl8V4 cuboctahedra, faces with six equivalent VAl12 cuboctahedra, and faces with twelve AlAl8V4 cuboctahedra. All Al–Al bond lengths are 2.80 Å. In the second Al site, Al is bonded to four equivalent V and eight Al atoms to form AlAl8V4 cuboctahedra that share corners with twelve equivalent AlAl8V4 cuboctahedra, edges with eight equivalent VAl12 cuboctahedra, edges with sixteen AlAl8V4 cuboctahedra, faces with four equivalent VAl12 cuboctahedra, and faces with fourteen AlAl8V4 cuboctahedra. All Al–Al bond lengths are 2.66 Å.

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Materials Data on Ba2Ho2Co4O11 by Materials Project

Ba2Ho2Co4O11 crystallizes in the orthorhombic Pmma space group. The structure is three-dimensional. Ba2+ is bonded to twelve O2- atoms to form BaO12 cuboctahedra that share corners with four equivalent BaO12 cuboctahedra, faces with four equivalent BaO12 cuboctahedra, faces with four CoO6 octahedra, and faces with four CoO5 square pyramids. There are a spread of Ba–O bond distances ranging from 2.73–3.08 Å. Ho3+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ho–O bond distances ranging from 2.45–2.67 Å. There are four inequivalent Co3+ sites. In the first Co3+ site, Co3+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with four equivalent CoO6 octahedra, corners with two equivalent CoO5 square pyramids, and faces with four equivalent BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–11°. There are a spread of Co–O bond distances ranging from 1.84–2.11 Å. In the second Co3+ site, Co3+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with four equivalent CoO6 octahedra, corners with two equivalent CoO5 square pyramids, and faces with four equivalent BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–11°. There are a spread of Co–O bond distances ranging from 1.91–2.19 Å. In the third Co3+ site, Co3+ is bonded to five O2- atoms to form CoO5 square pyramids that share corners with two equivalent CoO6 octahedra, corners with three equivalent CoO5 square pyramids, and faces with four equivalent BaO12 cuboctahedra. The corner-sharing octahedral tilt angles are 17°. There are a spread of Co–O bond distances ranging from 1.89–2.14 Å. In the fourth Co3+ site, Co3+ is bonded to five O2- atoms to form distorted CoO5 square pyramids that share corners with two equivalent CoO6 octahedra, corners with three equivalent CoO5 square pyramids, and faces with four equivalent BaO12 cuboctahedra. The corner-sharing octahedral tilt angles are 22°. There are a spread of Co–O bond distances ranging from 1.84–2.04 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded to four equivalent Ba2+ and two Co3+ atoms to form a mixture of distorted corner and edge-sharing OBa4Co2 octahedra. The corner-sharing octahedral tilt angles are 4°. In the second O2- site, O2- is bonded to four equivalent Ba2+ and two Co3+ atoms to form a mixture of distorted corner and edge-sharing OBa4Co2 octahedra. The corner-sharing octahedral tilt angles are 4°. In the third O2- site, O2- is bonded in a distorted linear geometry to four equivalent Ho3+ and two Co3+ atoms. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Ho3+, and two Co3+ atoms. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Ho3+, and two Co3+ atoms. In the sixth O2- site, O2- is bonded in a 6-coordinate geometry to two equivalent Ba2+, two equivalent Ho3+, and two Co3+ atoms. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Ba2+, two equivalent Ho3+, and two Co3+ atoms.

36 MATERIALS SCIENCE↗
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Materials Data on BiP2O7 by Materials Project

BiP2O7 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Bi5+ is bonded to six O2- atoms to form BiO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Bi–O bond distances ranging from 2.25–2.30 Å. There are two inequivalent P+4.50+ sites. In the first P+4.50+ site, P+4.50+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three equivalent BiO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 46–51°. There are a spread of P–O bond distances ranging from 1.53–1.62 Å. In the second P+4.50+ site, P+4.50+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three equivalent BiO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 41–51°. There are a spread of P–O bond distances ranging from 1.53–1.63 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to one Bi5+ and one P+4.50+ atom. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Bi5+ and one P+4.50+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Bi5+ and one P+4.50+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Bi5+ and one P+4.50+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Bi5+ and one P+4.50+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to one Bi5+ and one P+4.50+ atom. In the seventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two P+4.50+ atoms.

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Materials Data on Li2CuPO4 by Materials Project

Li2CuPO4 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with four equivalent LiO4 tetrahedra and corners with four equivalent PO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.96–2.06 Å. Cu1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Cu–O bond distances ranging from 1.96–2.75 Å. P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with eight equivalent LiO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.54–1.57 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Li1+, two equivalent Cu1+, and one P5+ atom. In the second O2- site, O2- is bonded to two equivalent Li1+, one Cu1+, and one P5+ atom to form distorted corner-sharing OLi2CuP trigonal pyramids. In the third O2- site, O2- is bonded to two equivalent Li1+, one Cu1+, and one P5+ atom to form distorted corner-sharing OLi2CuP trigonal pyramids.

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Materials Data on LiSnPO4 by Materials Project

LiSnPO4 crystallizes in the trigonal P31c space group. The structure is three-dimensional. Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with three equivalent SnO5 square pyramids, corners with two equivalent LiO4 tetrahedra, and corners with four PO4 tetrahedra. There are a spread of Li–O bond distances ranging from 2.02–2.13 Å. Sn2+ is bonded to five O2- atoms to form distorted SnO5 square pyramids that share corners with three equivalent LiO4 tetrahedra, corners with five PO4 tetrahedra, and edges with two equivalent SnO5 square pyramids. There are a spread of Sn–O bond distances ranging from 2.23–2.69 Å. There are three inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three equivalent SnO5 square pyramids and corners with six equivalent LiO4 tetrahedra. There is one shorter (1.55 Å) and three longer (1.57 Å) P–O bond length. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with six equivalent SnO5 square pyramids and corners with three equivalent LiO4 tetrahedra. There is one shorter (1.55 Å) and three longer (1.57 Å) P–O bond length. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with six equivalent SnO5 square pyramids and corners with three equivalent LiO4 tetrahedra. There is one shorter (1.54 Å) and three longer (1.57 Å) P–O bond length. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Li1+, one Sn2+, and one P5+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Sn2+, and one P5+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Sn2+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to three equivalent Sn2+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal pyramidal geometry to three equivalent Li1+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to three equivalent Sn2+ and one P5+ atom.

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Materials Data on LiCuPO4 by Materials Project

LiCuPO4 crystallizes in the monoclinic Pc space group. The structure is three-dimensional. Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with four equivalent CuO4 tetrahedra and corners with four equivalent PO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.93–1.99 Å. Cu2+ is bonded to four O2- atoms to form CuO4 tetrahedra that share corners with four equivalent LiO4 tetrahedra and corners with four equivalent PO4 tetrahedra. There are a spread of Cu–O bond distances ranging from 1.94–2.08 Å. P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four equivalent LiO4 tetrahedra and corners with four equivalent CuO4 tetrahedra. 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 distorted trigonal planar geometry to one Li1+, one Cu2+, and one P5+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Cu2+, and one P5+ atom. In the third O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Li1+, one Cu2+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Cu2+, and one P5+ atom.

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Materials Data on LiCuPO4 by Materials Project

LiCuPO4 crystallizes in the monoclinic Pc space group. The structure is three-dimensional. Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with four equivalent CuO4 tetrahedra and corners with four equivalent PO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.97–2.02 Å. Cu2+ is bonded to four O2- atoms to form CuO4 tetrahedra that share corners with four equivalent LiO4 tetrahedra and corners with four equivalent PO4 tetrahedra. There are a spread of Cu–O bond distances ranging from 1.93–2.06 Å. P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four equivalent LiO4 tetrahedra and corners with four equivalent CuO4 tetrahedra. There is two shorter (1.55 Å) and two longer (1.56 Å) P–O bond length. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal planar geometry to one Li1+, one Cu2+, and one P5+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Cu2+, and one P5+ atom. In the third O2- site, O2- is bonded in a trigonal planar geometry to one Li1+, one Cu2+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Li1+, one Cu2+, and one P5+ atom.

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Materials Data on Hg2P2S7 by Materials Project

Hg2P2S7 crystallizes in the monoclinic C2 space group. The structure is three-dimensional. Hg2+ is bonded to four S2- atoms to form HgS4 tetrahedra that share corners with two equivalent HgS4 tetrahedra and corners with four equivalent PS4 tetrahedra. There are a spread of Hg–S bond distances ranging from 2.53–2.97 Å. P5+ is bonded to four S2- atoms to form PS4 tetrahedra that share a cornercorner with one PS4 tetrahedra and corners with four equivalent HgS4 tetrahedra. There are a spread of P–S bond distances ranging from 2.02–2.16 Å. There are four inequivalent S2- sites. In the first S2- site, S2- is bonded in a water-like geometry to one Hg2+ and one P5+ atom. In the second S2- site, S2- is bonded in a water-like geometry to one Hg2+ and one P5+ atom. In the third S2- site, S2- is bonded in a water-like geometry to two equivalent P5+ atoms. In the fourth S2- site, S2- is bonded in a distorted trigonal non-coplanar geometry to two equivalent Hg2+ and one P5+ atom.

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Materials Data on CaSe2O5 by Materials Project

CaSe2O5 crystallizes in the orthorhombic Pbca space group. The structure is three-dimensional. Ca2+ is bonded to seven O2- atoms to form distorted edge-sharing CaO7 pentagonal bipyramids. There are a spread of Ca–O bond distances ranging from 2.37–2.54 Å. There are two inequivalent Se4+ sites. In the first Se4+ site, Se4+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.68–1.92 Å. In the second Se4+ site, Se4+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There is two shorter (1.70 Å) and one longer (1.85 Å) Se–O bond length. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to one Ca2+ and one Se4+ atom. In the second O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two equivalent Ca2+ and one Se4+ atom. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to two Se4+ atoms. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ca2+ and one Se4+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Ca2+ and one Se4+ atom.

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Materials Data on KNb3O8 by Materials Project

KNb3O8 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. K1+ is bonded to six O2- atoms to form distorted face-sharing KO6 pentagonal pyramids. There are four shorter (2.80 Å) and two longer (2.96 Å) K–O bond lengths. There are two inequivalent Nb5+ sites. In the first Nb5+ site, Nb5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Nb–O bond distances ranging from 1.84–2.35 Å. In the second Nb5+ site, Nb5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Nb–O bond distances ranging from 1.78–2.51 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent K1+ and two equivalent Nb5+ atoms. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to four Nb5+ atoms. In the third O2- site, O2- is bonded in a linear geometry to two Nb5+ atoms. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to three Nb5+ atoms. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+ and one Nb5+ atom.

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Materials Data on UCuO4 by Materials Project

CuUO4 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. U6+ is bonded to six O2- atoms to form corner-sharing UO6 octahedra. The corner-sharing octahedral tilt angles are 50°. There are a spread of U–O bond distances ranging from 1.92–2.27 Å. Cu2+ is bonded in a distorted square co-planar geometry to four O2- atoms. There is two shorter (1.94 Å) and two longer (1.96 Å) Cu–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal planar geometry to two equivalent U6+ and one Cu2+ atom. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one U6+ and one Cu2+ atom.

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Materials Data on SiBi2O5 by Materials Project

Bi2SiO5 crystallizes in the orthorhombic Cmc2_1 space group. The structure is three-dimensional. Si4+ is bonded to four O2- atoms to form corner-sharing SiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.63–1.69 Å. Bi3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Bi–O bond distances ranging from 2.20–2.53 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded to four equivalent Bi3+ atoms to form a mixture of distorted corner and edge-sharing OBi4 tetrahedra. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Si4+ and two equivalent Bi3+ atoms. In the third O2- site, O2- is bonded in a linear geometry to two equivalent Si4+ atoms.

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Materials Data on Li2MnBr4 by Materials Project

Li2MnBr4 crystallizes in the orthorhombic Cmmm space group. The structure is three-dimensional. Li1+ is bonded to six Br1- atoms to form LiBr6 octahedra that share corners with six equivalent LiBr6 octahedra, edges with four equivalent LiBr6 octahedra, and edges with four equivalent MnBr6 octahedra. The corner-sharing octahedra tilt angles range from 3–4°. There are four shorter (2.77 Å) and two longer (2.79 Å) Li–Br bond lengths. Mn2+ is bonded to six Br1- atoms to form MnBr6 octahedra that share edges with two equivalent MnBr6 octahedra and edges with eight equivalent LiBr6 octahedra. There are two shorter (2.70 Å) and four longer (2.71 Å) Mn–Br bond lengths. There are two inequivalent Br1- sites. In the first Br1- site, Br1- is bonded to four equivalent Li1+ and one Mn2+ atom to form a mixture of corner and edge-sharing BrLi4Mn square pyramids. In the second Br1- site, Br1- is bonded in a rectangular see-saw-like geometry to two equivalent Li1+ and two equivalent Mn2+ atoms.

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Materials Data on Ta2Zn3O8 by Materials Project

Zn3Ta2O8 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Ta5+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with eight ZnO4 tetrahedra and edges with two equivalent TaO6 octahedra. There are a spread of Ta–O bond distances ranging from 1.91–2.15 Å. There are two inequivalent Zn2+ sites. In the first Zn2+ site, Zn2+ is bonded to four O2- atoms to form ZnO4 tetrahedra that share corners with six equivalent TaO6 octahedra and corners with two equivalent ZnO4 tetrahedra. The corner-sharing octahedra tilt angles range from 49–59°. There is two shorter (1.98 Å) and two longer (2.00 Å) Zn–O bond length. In the second Zn2+ site, Zn2+ is bonded to four O2- atoms to form ZnO4 tetrahedra that share corners with five equivalent TaO6 octahedra, a cornercorner with one ZnO4 tetrahedra, and an edgeedge with one ZnO4 tetrahedra. The corner-sharing octahedra tilt angles range from 47–62°. There are a spread of Zn–O bond distances ranging from 1.95–2.07 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal planar geometry to one Ta5+ and two Zn2+ atoms. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ta5+ and two equivalent Zn2+ atoms. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Ta5+ and one Zn2+ atom. In the fourth O2- site, O2- is bonded in a trigonal planar geometry to two equivalent Ta5+ and one Zn2+ atom.

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