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DOE OSTI2020

Materials Data on WBr5 by Materials Project

WBr5 crystallizes in the monoclinic C2/m space group. The structure is zero-dimensional and consists of six WBr5 clusters. W5+ is bonded to six Br1- atoms to form edge-sharing WBr6 octahedra. There are a spread of W–Br bond distances ranging from 2.43–2.68 Å. There are six inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a single-bond geometry to one W5+ atom. In the second Br1- site, Br1- is bonded in a water-like geometry to two equivalent W5+ atoms. In the third Br1- site, Br1- is bonded in a single-bond geometry to one W5+ atom. In the fourth Br1- site, Br1- is bonded in a single-bond geometry to one W5+ atom. In the fifth Br1- site, Br1- is bonded in a water-like geometry to two equivalent W5+ atoms. In the sixth Br1- site, Br1- is bonded in a single-bond geometry to one W5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sb(WBr3)5 by Materials Project

W5Br12SbBr3 crystallizes in the triclinic P-1 space group. The structure is one-dimensional and consists of four antimony tribromide molecules and two W5Br12 ribbons oriented in the (0, 1, 0) direction. In each W5Br12 ribbon, there are ten inequivalent W+3.60+ sites. In the first W+3.60+ site, W+3.60+ is bonded to five Br1- atoms to form edge-sharing WBr5 square pyramids. There are a spread of W–Br bond distances ranging from 2.60–2.65 Å. In the second W+3.60+ site, W+3.60+ is bonded to five Br1- atoms to form edge-sharing WBr5 square pyramids. There are a spread of W–Br bond distances ranging from 2.54–2.66 Å. In the third W+3.60+ site, W+3.60+ is bonded to five Br1- atoms to form a mixture of edge and corner-sharing WBr5 square pyramids. There are a spread of W–Br bond distances ranging from 2.57–2.71 Å. In the fourth W+3.60+ site, W+3.60+ is bonded to five Br1- atoms to form edge-sharing WBr5 square pyramids. There are a spread of W–Br bond distances ranging from 2.55–2.66 Å. In the fifth W+3.60+ site, W+3.60+ is bonded to five Br1- atoms to form a mixture of edge and corner-sharing WBr5 square pyramids. There are a spread of W–Br bond distances ranging from 2.57–2.73 Å. In the sixth W+3.60+ site, W+3.60+ is bonded to five Br1- atoms to form edge-sharing WBr5 square pyramids. There are a spread of W–Br bond distances ranging from 2.59–2.66 Å. In the seventh W+3.60+ site, W+3.60+ is bonded to five Br1- atoms to form edge-sharing WBr5 square pyramids. There are a spread of W–Br bond distances ranging from 2.54–2.67 Å. In the eighth W+3.60+ site, W+3.60+ is bonded to five Br1- atoms to form edge-sharing WBr5 square pyramids. There are a spread of W–Br bond distances ranging from 2.54–2.66 Å. In the ninth W+3.60+ site, W+3.60+ is bonded to five Br1- atoms to form a mixture of edge and corner-sharing WBr5 square pyramids. There are a spread of W–Br bond distances ranging from 2.57–2.70 Å. In the tenth W+3.60+ site, W+3.60+ is bonded to five Br1- atoms to form a mixture of edge and corner-sharing WBr5 square pyramids. There are a spread of W–Br bond distances ranging from 2.56–2.72 Å. There are twenty-four inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 12-coordinate geometry to three W+3.60+ atoms. In the second Br1- site, Br1- is bonded in a 5-coordinate geometry to three W+3.60+ atoms. In the third Br1- site, Br1- is bonded in a 10-coordinate geometry to three W+3.60+ atoms. In the fourth Br1- site, Br1- is bonded in a 5-coordinate geometry to three W+3.60+ atoms. In the fifth Br1- site, Br1- is bonded in a 2-coordinate geometry to two W+3.60+ atoms. In the sixth Br1- site, Br1- is bonded in a 2-coordinate geometry to two W+3.60+ atoms. In the seventh Br1- site, Br1- is bonded in a 2-coordinate geometry to two W+3.60+ atoms. In the eighth Br1- site, Br1- is bonded in a 2-coordinate geometry to two W+3.60+ atoms. In the ninth Br1- site, Br1- is bonded in a single-bond geometry to one W+3.60+ atom. In the tenth Br1- site, Br1- is bonded in a single-bond geometry to one W+3.60+ atom. In the eleventh Br1- site, Br1- is bonded in a bent 120 degrees geometry to two W+3.60+ atoms. In the twelfth Br1- site, Br1- is bonded in a single-bond geometry to one W+3.60+ atom. In the thirteenth Br1- site, Br1- is bonded in a distorted bent 120 degrees geometry to two W+3.60+ atoms. In the fourteenth Br1- site, Br1- is bonded in a 8-coordinate geometry to three W+3.60+ atoms. In the fifteenth Br1- site, Br1- is bonded in a 4-coordinate geometry to three W+3.60+ atoms. In the sixteenth Br1- site, Br1- is bonded in a 4-coordinate geometry to three W+3.60+ atoms. In the seventeenth Br1- site, Br1- is bonded in a 5-coordinate geometry to three W+3.60+ atoms. In the eighteenth Br1- site, Br1- is bonded in a 2-coordinate geometry to two W+3.60+ atoms. In the nineteenth Br1- site, Br1- is bonded in a 2-coordinate geometry to two W+3.60+ atoms. In the twentieth Br1- site, Br1- is bonded in a 2-coordinate geometry to two W+3.60+ atoms. In the twenty-first Br1- site, Br1- is bonded in a 2-coordinate geometry to two W+3.60+ atoms. In the twenty-second Br1- site, Br1- is bonded in a single-bond geometry to one W+3.60+ atom. In the twenty-third Br1- site, Br1- is bonded in a single-bond geometry to one W+3.60+ atom. In the twenty-fourth Br1- site, Br1- is bonded in a single-bond geometry to one W+3.60+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Bi(WBr3)3 by Materials Project

Bi(WBr3)3 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are three inequivalent W2+ sites. In the first W2+ site, W2+ is bonded to five Br1- atoms to form WBr5 square pyramids that share a cornercorner with one BiBr6 octahedra and edges with four WBr5 square pyramids. The corner-sharing octahedral tilt angles are 50°. There are a spread of W–Br bond distances ranging from 2.62–2.68 Å. In the second W2+ site, W2+ is bonded to five Br1- atoms to form WBr5 square pyramids that share a cornercorner with one BiBr6 octahedra and edges with four WBr5 square pyramids. The corner-sharing octahedral tilt angles are 43°. There are one shorter (2.64 Å) and four longer (2.65 Å) W–Br bond lengths. In the third W2+ site, W2+ is bonded to five Br1- atoms to form WBr5 square pyramids that share a cornercorner with one BiBr6 octahedra and edges with four WBr5 square pyramids. The corner-sharing octahedral tilt angles are 58°. There are a spread of W–Br bond distances ranging from 2.63–2.68 Å. Bi3+ is bonded to six Br1- atoms to form distorted BiBr6 octahedra that share corners with three WBr5 square pyramids and an edgeedge with one BiBr6 octahedra. There are a spread of Bi–Br bond distances ranging from 2.66–3.28 Å. There are nine inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a bent 120 degrees geometry to one W2+ and one Bi3+ atom. In the second Br1- site, Br1- is bonded in a 2-coordinate geometry to one W2+ and one Bi3+ atom. In the third Br1- site, Br1- is bonded in a bent 120 degrees geometry to one W2+ and one Bi3+ atom. In the fourth Br1- site, Br1- is bonded in a distorted water-like geometry to two equivalent Bi3+ atoms. In the fifth Br1- site, Br1- is bonded in a 9-coordinate geometry to three W2+ atoms. In the sixth Br1- site, Br1- is bonded in a single-bond geometry to one Bi3+ atom. In the seventh Br1- site, Br1- is bonded in a 5-coordinate geometry to three W2+ atoms. In the eighth Br1- site, Br1- is bonded in a 8-coordinate geometry to three W2+ atoms. In the ninth Br1- site, Br1- is bonded in a 9-coordinate geometry to three W2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on RbW3Br7 by Materials Project

RbW3Br7 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded to six Br1- atoms to form distorted RbBr6 pentagonal pyramids that share corners with six WBr5 square pyramids and edges with two equivalent RbBr6 pentagonal pyramids. There are a spread of Rb–Br bond distances ranging from 3.55–3.63 Å. In the second Rb1+ site, Rb1+ is bonded in a square co-planar geometry to four equivalent Br1- atoms. There are two shorter (3.37 Å) and two longer (3.47 Å) Rb–Br bond lengths. There are three inequivalent W2+ sites. In the first W2+ site, W2+ is bonded to five Br1- atoms to form edge-sharing WBr5 square pyramids. There are a spread of W–Br bond distances ranging from 2.65–2.67 Å. In the second W2+ site, W2+ is bonded to five Br1- atoms to form WBr5 square pyramids that share a cornercorner with one RbBr6 pentagonal pyramid and edges with four WBr5 square pyramids. There are a spread of W–Br bond distances ranging from 2.61–2.66 Å. In the third W2+ site, W2+ is bonded to five Br1- atoms to form WBr5 square pyramids that share corners with two equivalent RbBr6 pentagonal pyramids and edges with four WBr5 square pyramids. There are a spread of W–Br bond distances ranging from 2.64–2.67 Å. There are seven inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 12-coordinate geometry to three W2+ atoms. In the second Br1- site, Br1- is bonded in a 12-coordinate geometry to three W2+ atoms. In the third Br1- site, Br1- is bonded in a 4-coordinate geometry to three W2+ atoms. In the fourth Br1- site, Br1- is bonded in a 12-coordinate geometry to three W2+ atoms. In the fifth Br1- site, Br1- is bonded in a distorted trigonal non-coplanar geometry to two equivalent Rb1+ and one W2+ atom. In the sixth Br1- site, Br1- is bonded in a distorted bent 120 degrees geometry to one Rb1+ and one W2+ atom. In the seventh Br1- site, Br1- is bonded in a 3-coordinate geometry to two equivalent Rb1+ and one W2+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CsW3Br7 by Materials Project

CsW3Br7 crystallizes in the trigonal P31c space group. The structure is three-dimensional. there are two inequivalent Cs1+ sites. In the first Cs1+ site, Cs1+ is bonded in a 6-coordinate geometry to six Br1- atoms. All Cs–Br bond lengths are 3.80 Å. In the second Cs1+ site, Cs1+ is bonded to twelve Br1- atoms to form distorted CsBr12 cuboctahedra that share corners with six WBr5 square pyramids and faces with six WBr5 square pyramids. There are a spread of Cs–Br bond distances ranging from 3.92–4.28 Å. There are two inequivalent W2+ sites. In the first W2+ site, W2+ is bonded to five Br1- atoms to form WBr5 square pyramids that share a cornercorner with one CsBr12 cuboctahedra, edges with four WBr5 square pyramids, and a faceface with one CsBr12 cuboctahedra. There are a spread of W–Br bond distances ranging from 2.63–2.69 Å. In the second W2+ site, W2+ is bonded to five Br1- atoms to form WBr5 square pyramids that share a cornercorner with one CsBr12 cuboctahedra, edges with four WBr5 square pyramids, and a faceface with one CsBr12 cuboctahedra. There are a spread of W–Br bond distances ranging from 2.62–2.69 Å. There are six inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 1-coordinate geometry to two Cs1+ and one W2+ atom. In the second Br1- site, Br1- is bonded in a distorted bent 120 degrees geometry to two Cs1+ and one W2+ atom. In the third Br1- site, Br1- is bonded in a 6-coordinate geometry to three equivalent W2+ atoms. In the fourth Br1- site, Br1- is bonded in a 6-coordinate geometry to three equivalent W2+ atoms. In the fifth Br1- site, Br1- is bonded in a 4-coordinate geometry to one Cs1+ and three W2+ atoms. In the sixth Br1- site, Br1- is bonded in a 4-coordinate geometry to one Cs1+ and three W2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CsW3Br7 by Materials Project

CsW3Br7 crystallizes in the trigonal P-31c space group. The structure is three-dimensional. there are two inequivalent Cs1+ sites. In the first Cs1+ site, Cs1+ is bonded in a 6-coordinate geometry to six equivalent Br1- atoms. All Cs–Br bond lengths are 3.76 Å. In the second Cs1+ site, Cs1+ is bonded to twelve Br1- atoms to form CsBr12 cuboctahedra that share corners with six equivalent WBr5 square pyramids and faces with six equivalent WBr5 square pyramids. There are six shorter (3.92 Å) and six longer (4.14 Å) Cs–Br bond lengths. W2+ is bonded to five Br1- atoms to form WBr5 square pyramids that share a cornercorner with one CsBr12 cuboctahedra, edges with four equivalent WBr5 square pyramids, and a faceface with one CsBr12 cuboctahedra. There are a spread of W–Br bond distances ranging from 2.63–2.69 Å. There are three inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 2-coordinate geometry to two Cs1+ and one W2+ atom. In the second Br1- site, Br1- is bonded in a 4-coordinate geometry to one Cs1+ and three equivalent W2+ atoms. In the third Br1- site, Br1- is bonded in a 6-coordinate geometry to three equivalent W2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on W2Br5 by Materials Project

W2Br5 crystallizes in the monoclinic P2_1/c space group. The structure is two-dimensional and consists of one W2Br5 sheet oriented in the (1, 0, 0) direction. there are four inequivalent W+2.50+ sites. In the first W+2.50+ site, W+2.50+ is bonded to five Br1- atoms to form a mixture of corner and edge-sharing WBr5 square pyramids. There are a spread of W–Br bond distances ranging from 2.52–2.74 Å. In the second W+2.50+ site, W+2.50+ is bonded to five Br1- atoms to form a mixture of corner and edge-sharing WBr5 square pyramids. There are a spread of W–Br bond distances ranging from 2.60–2.72 Å. In the third W+2.50+ site, W+2.50+ is bonded to five Br1- atoms to form a mixture of corner and edge-sharing WBr5 square pyramids. There are a spread of W–Br bond distances ranging from 2.60–2.72 Å. In the fourth W+2.50+ site, W+2.50+ is bonded to five Br1- atoms to form a mixture of corner and edge-sharing WBr5 square pyramids. There are a spread of W–Br bond distances ranging from 2.58–2.85 Å. There are ten inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 2-coordinate geometry to two W+2.50+ atoms. In the second Br1- site, Br1- is bonded in a 2-coordinate geometry to two W+2.50+ atoms. In the third Br1- site, Br1- is bonded in a 2-coordinate geometry to two W+2.50+ atoms. In the fourth Br1- site, Br1- is bonded in a bent 120 degrees geometry to two W+2.50+ atoms. In the fifth Br1- site, Br1- is bonded in a 12-coordinate geometry to three W+2.50+ atoms. In the sixth Br1- site, Br1- is bonded in a single-bond geometry to one W+2.50+ atom. In the seventh Br1- site, Br1- is bonded in a 7-coordinate geometry to two W+2.50+ atoms. In the eighth Br1- site, Br1- is bonded in a water-like geometry to two equivalent W+2.50+ atoms. In the ninth Br1- site, Br1- is bonded in a 2-coordinate geometry to two W+2.50+ atoms. In the tenth Br1- site, Br1- is bonded in a 4-coordinate geometry to two W+2.50+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Cd(W3Br7)2 by Materials Project

Cd(W3Br7)2 crystallizes in the cubic Pn-3 space group. The structure is three-dimensional. W2+ is bonded to five Br1- atoms to form WBr5 square pyramids that share a cornercorner with one CdBr6 octahedra and edges with four equivalent WBr5 square pyramids. The corner-sharing octahedral tilt angles are 46°. There are a spread of W–Br bond distances ranging from 2.64–2.66 Å. Cd2+ is bonded to six equivalent Br1- atoms to form CdBr6 octahedra that share corners with six equivalent WBr5 square pyramids. All Cd–Br bond lengths are 2.86 Å. There are three inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 12-coordinate geometry to three equivalent W2+ atoms. In the second Br1- site, Br1- is bonded in a distorted bent 120 degrees geometry to one W2+ and one Cd2+ atom. In the third Br1- site, Br1- is bonded in a 12-coordinate geometry to three equivalent W2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ag(W3Br7)2 by Materials Project

Ag(W3Br7)2 crystallizes in the cubic Pn-3 space group. The structure is three-dimensional. W+2.17+ is bonded to five Br1- atoms to form WBr5 square pyramids that share a cornercorner with one AgBr6 octahedra and edges with four equivalent WBr5 square pyramids. The corner-sharing octahedral tilt angles are 45°. There are a spread of W–Br bond distances ranging from 2.61–2.66 Å. Ag1+ is bonded to six equivalent Br1- atoms to form AgBr6 octahedra that share corners with six equivalent WBr5 square pyramids. All Ag–Br bond lengths are 2.91 Å. There are three inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 5-coordinate geometry to three equivalent W+2.17+ atoms. In the second Br1- site, Br1- is bonded in a distorted bent 150 degrees geometry to one W+2.17+ and one Ag1+ atom. In the third Br1- site, Br1- is bonded in a 12-coordinate geometry to three equivalent W+2.17+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on AgW3Br7 by Materials Project

W3AgBr7 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are three inequivalent W2+ sites. In the first W2+ site, W2+ is bonded to five Br1- atoms to form edge-sharing WBr5 square pyramids. There are four shorter (2.65 Å) and one longer (2.66 Å) W–Br bond lengths. In the second W2+ site, W2+ is bonded to five Br1- atoms to form edge-sharing WBr5 square pyramids. There are three shorter (2.65 Å) and two longer (2.66 Å) W–Br bond lengths. In the third W2+ site, W2+ is bonded to five Br1- atoms to form edge-sharing WBr5 square pyramids. There are three shorter (2.65 Å) and two longer (2.66 Å) W–Br bond lengths. Ag1+ is bonded in a distorted trigonal planar geometry to four Br1- atoms. There are a spread of Ag–Br bond distances ranging from 2.63–3.62 Å. There are seven inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 6-coordinate geometry to three W2+ atoms. In the second Br1- site, Br1- is bonded in a 8-coordinate geometry to three W2+ atoms. In the third Br1- site, Br1- is bonded in a bent 120 degrees geometry to one W2+ and one Ag1+ atom. In the fourth Br1- site, Br1- is bonded in a bent 120 degrees geometry to one W2+ and one Ag1+ atom. In the fifth Br1- site, Br1- is bonded in a water-like geometry to one W2+ and one Ag1+ atom. In the sixth Br1- site, Br1- is bonded in a 8-coordinate geometry to three W2+ atoms. In the seventh Br1- site, Br1- is bonded in a distorted rectangular see-saw-like geometry to three W2+ and one Ag1+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CuW3Br7 by Materials Project

W3CuBr7 crystallizes in the orthorhombic Pbca space group. The structure is three-dimensional. there are three inequivalent W2+ sites. In the first W2+ site, W2+ is bonded to five Br1- atoms to form edge-sharing WBr5 square pyramids. There are two shorter (2.65 Å) and three longer (2.66 Å) W–Br bond lengths. In the second W2+ site, W2+ is bonded to five Br1- atoms to form edge-sharing WBr5 square pyramids. There are a spread of W–Br bond distances ranging from 2.64–2.68 Å. In the third W2+ site, W2+ is bonded to five Br1- atoms to form edge-sharing WBr5 square pyramids. There are four shorter (2.65 Å) and one longer (2.66 Å) W–Br bond lengths. Cu1+ is bonded in a distorted trigonal planar geometry to four Br1- atoms. There are a spread of Cu–Br bond distances ranging from 2.37–3.38 Å. There are seven inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 12-coordinate geometry to three W2+ atoms. In the second Br1- site, Br1- is bonded in a distorted bent 120 degrees geometry to one W2+ and one Cu1+ atom. In the third Br1- site, Br1- is bonded in a 4-coordinate geometry to three W2+ and one Cu1+ atom. In the fourth Br1- site, Br1- is bonded in a bent 120 degrees geometry to one W2+ and one Cu1+ atom. In the fifth Br1- site, Br1- is bonded in a 5-coordinate geometry to three W2+ atoms. In the sixth Br1- site, Br1- is bonded in a 5-coordinate geometry to three W2+ atoms. In the seventh Br1- site, Br1- is bonded in a water-like geometry to one W2+ and one Cu1+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on W3Br8 by Materials Project

W3Br8 crystallizes in the orthorhombic Cmce space group. The structure is three-dimensional. there are two inequivalent W+2.67+ sites. In the first W+2.67+ site, W+2.67+ is bonded to five Br1- atoms to form edge-sharing WBr5 square pyramids. There are a spread of W–Br bond distances ranging from 2.59–2.61 Å. In the second W+2.67+ site, W+2.67+ is bonded to five Br1- atoms to form edge-sharing WBr5 square pyramids. There are a spread of W–Br bond distances ranging from 2.54–2.68 Å. There are six inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a single-bond geometry to one W+2.67+ atom. In the second Br1- site, Br1- is bonded in a 8-coordinate geometry to three W+2.67+ and one Br1- atom. The Br–Br bond length is 3.86 Å. In the third Br1- site, Br1- is bonded in a 4-coordinate geometry to three W+2.67+ and one Br1- atom. The Br–Br bond length is 3.82 Å. In the fourth Br1- site, Br1- is bonded in a 1-coordinate geometry to three W+2.67+ and one Br1- atom. The Br–Br bond length is 3.98 Å. In the fifth Br1- site, Br1- is bonded in a 2-coordinate geometry to six Br1- atoms. There are one shorter (2.42 Å) and one longer (3.10 Å) Br–Br bond lengths. In the sixth Br1- site, Br1- is bonded in a single-bond geometry to one W+2.67+ and one Br1- atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on WBr2 by Materials Project

WBr2 crystallizes in the orthorhombic Cmce space group. The structure is two-dimensional and consists of two WBr2 sheets oriented in the (0, 1, 0) direction. there are two inequivalent W2+ sites. In the first W2+ site, W2+ is bonded to five Br1- atoms to form a mixture of edge and corner-sharing WBr5 square pyramids. There are four shorter (2.65 Å) and one longer (2.71 Å) W–Br bond lengths. In the second W2+ site, W2+ is bonded to five Br1- atoms to form edge-sharing WBr5 square pyramids. There are one shorter (2.58 Å) and four longer (2.66 Å) W–Br bond lengths. There are four inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 5-coordinate geometry to three W2+ atoms. In the second Br1- site, Br1- is bonded in a 12-coordinate geometry to three W2+ atoms. In the third Br1- site, Br1- is bonded in a distorted bent 150 degrees geometry to two equivalent W2+ atoms. In the fourth Br1- site, Br1- is bonded in a single-bond geometry to one W2+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CuW3Br7 by Materials Project

W3CuBr7 crystallizes in the cubic Pn-3 space group. The structure is three-dimensional. W2+ is bonded to five Br1- atoms to form edge-sharing WBr5 square pyramids. There are a spread of W–Br bond distances ranging from 2.64–2.66 Å. Cu1+ is bonded in a trigonal planar geometry to three equivalent Br1- atoms. All Cu–Br bond lengths are 2.40 Å. There are three inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 12-coordinate geometry to three equivalent W2+ atoms. In the second Br1- site, Br1- is bonded in a 12-coordinate geometry to three equivalent W2+ atoms. In the third Br1- site, Br1- is bonded in a bent 120 degrees geometry to one W2+ and one Cu1+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on W3Br7 by Materials Project

W3Br7 is Copper structured and crystallizes in the cubic Pn-3 space group. The structure is zero-dimensional and consists of four W3Br7 clusters. W+2.33+ is bonded to five Br1- atoms to form edge-sharing WBr5 square pyramids. There are a spread of W–Br bond distances ranging from 2.55–2.66 Å. There are three inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 6-coordinate geometry to three equivalent W+2.33+ atoms. In the second Br1- site, Br1- is bonded in a 12-coordinate geometry to three equivalent W+2.33+ atoms. In the third Br1- site, Br1- is bonded in a single-bond geometry to one W+2.33+ atom.

36 MATERIALS SCIENCE↗