DOI: 10.17188/1283497
title: Materials Data on Bi34Ir3Br37 by Materials Project

description: Bi34Ir3Br37 crystallizes in the triclinic P1 space group. The structure is two-dimensional and consists of one bismuth molecule and one Ir3Bi33Br37 sheet oriented in the (0, 0, 1) direction. In the Ir3Bi33Br37 sheet, there are three inequivalent Ir sites. In the first Ir site, Ir is bonded in an octahedral geometry to six Bi atoms. There are five shorter (2.72 Å) and one longer (2.73 Å) Ir–Bi bond lengths. In the second Ir site, Ir is bonded in an octahedral geometry to six Bi atoms. There are a spread of Ir–Bi bond distances ranging from 2.70–2.73 Å. In the third Ir site, Ir is bonded in an octahedral geometry to six Bi atoms. There are a spread of Ir–Bi bond distances ranging from 2.71–2.73 Å. There are thirty-three inequivalent Bi sites. In the first Bi site, Bi is bonded in a distorted single-bond geometry to one Bi and one Br atom. The Bi–Bi bond length is 3.11 Å. The Bi–Br bond length is 3.20 Å. In the second Bi site, Bi is bonded in a distorted single-bond geometry to one Br atom. The Bi–Br bond length is 3.14 Å. In the third Bi site, Bi is bonded in a 4-coordinate geometry to one Bi atom. The Bi–Bi bond length is 3.19 Å. In the fourth Bi site, Bi is bonded to one Ir and four Br atoms to form a mixture of edge and corner-sharing BiIrBr4 square pyramids. There are a spread of Bi–Br bond distances ranging from 2.96–3.07 Å. In the fifth Bi site, Bi is bonded to one Ir and four Br atoms to form a mixture of edge and corner-sharing BiIrBr4 square pyramids. There are a spread of Bi–Br bond distances ranging from 2.96–3.03 Å. In the sixth Bi site, Bi is bonded in a 4-coordinate geometry to four Bi atoms. There are a spread of Bi–Bi bond distances ranging from 3.10–3.19 Å. In the seventh Bi site, Bi is bonded in a distorted single-bond geometry to one Bi and one Br atom. The Bi–Bi bond length is 3.19 Å. The Bi–Br bond length is 3.31 Å. In the eighth Bi site, Bi is bonded in a distorted single-bond geometry to three Bi and one Br atom. There are two shorter (3.03 Å) and one longer (3.11 Å) Bi–Bi bond lengths. The Bi–Br bond length is 3.28 Å. In the ninth Bi site, Bi is bonded to one Ir and four Br atoms to form a mixture of edge and corner-sharing BiIrBr4 square pyramids. There are a spread of Bi–Br bond distances ranging from 2.96–3.02 Å. In the tenth Bi site, Bi is bonded to one Ir and four Br atoms to form a mixture of edge and corner-sharing BiIrBr4 square pyramids. There are a spread of Bi–Br bond distances ranging from 2.95–3.04 Å. In the eleventh Bi site, Bi is bonded to one Ir and four Br atoms to form a mixture of edge and corner-sharing BiIrBr4 square pyramids. There are a spread of Bi–Br bond distances ranging from 2.94–3.06 Å. In the twelfth Bi site, Bi is bonded in a distorted rectangular see-saw-like geometry to three Bi and one Br atom. Both Bi–Bi bond lengths are 3.03 Å. The Bi–Br bond length is 3.47 Å. In the thirteenth Bi site, Bi is bonded in a 2-coordinate geometry to one Bi atom. In the fourteenth Bi site, Bi is bonded in a 3-coordinate geometry to three Bi atoms. The Bi–Bi bond length is 3.03 Å. In the fifteenth Bi site, Bi is bonded in a 4-coordinate geometry to four Bi atoms. The Bi–Bi bond length is 3.30 Å. In the sixteenth Bi site, Bi is bonded to one Ir and four Br atoms to form a mixture of edge and corner-sharing BiIrBr4 square pyramids. There are a spread of Bi–Br bond distances ranging from 2.95–3.01 Å. In the seventeenth Bi site, Bi is bonded to one Ir and four Br atoms to form a mixture of edge and corner-sharing BiIrBr4 square pyramids. There are a spread of Bi–Br bond distances ranging from 2.97–3.02 Å. In the eighteenth Bi site, Bi is bonded to one Ir and five Br atoms to form distorted BiIrBr5 pentagonal pyramids that share a cornercorner with one BiIrBr4 square pyramid, edges with two BiIrBr4 square pyramids, a faceface with one BiIrBr5 pentagonal pyramid, and a faceface with one BiIrBr4 square pyramid. There are a spread of Bi–Br bond distances ranging from 2.96–3.28 Å. In the nineteenth Bi site, Bi is bonded in a distorted single-bond geometry to one Bi and one Br atom. The Bi–Br bond length is 3.06 Å. In the twentieth Bi site, Bi is bonded to one Ir and four Br atoms to form BiIrBr4 square pyramids that share a cornercorner with one BiIrBr5 pentagonal pyramid, an edgeedge with one BiIrBr5 pentagonal pyramid, and edges with three BiIrBr4 square pyramids. There are a spread of Bi–Br bond distances ranging from 2.97–3.09 Å. In the twenty-first Bi site, Bi is bonded to one Ir and five Br atoms to form distorted BiIrBr5 pentagonal pyramids that share a cornercorner with one BiIrBr4 square pyramid, edges with three BiIrBr4 square pyramids, and a faceface with one BiIrBr5 pentagonal pyramid. There are a spread of Bi–Br bond distances ranging from 3.05–3.40 Å. In the twenty-second Bi site, Bi is bonded to one Ir and four Br atoms to form BiIrBr4 square pyramids that share a cornercorner with one BiIrBr5 pentagonal pyramid, an edgeedge with one BiIrBr5 pentagonal pyramid, and edges with three BiIrBr4 square pyramids. There are a spread of Bi–Br bond distances ranging from 2.98–3.11 Å. In the twenty-third Bi site, Bi is bonded to one Ir and four Br atoms to form a mixture of edge and corner-sharing BiIrBr4 square pyramids. There are a spread of Bi–Br bond distances ranging from 2.98–3.05 Å. In the twenty-fourth Bi site, Bi is bonded to one Ir and four Br atoms to form a mixture of edge and corner-sharing BiIrBr4 square pyramids. There are two shorter (2.99 Å) and two longer (3.01 Å) Bi–Br bond lengths. In the twenty-fifth Bi site, Bi is bonded to one Ir and four Br atoms to form a mixture of edge and corner-sharing BiIrBr4 square pyramids. There are a spread of Bi–Br bond distances ranging from 2.96–3.02 Å. In the twenty-sixth Bi site, Bi is bonded in a 3-coordinate geometry to three Bi atoms. The Bi–Bi bond length is 3.02 Å. In the twenty-seventh Bi site, Bi is bonded in a 3-coordinate geometry to three Bi atoms. In the twenty-eighth Bi site, Bi is bonded to one Ir and four Br atoms to form BiIrBr4 square pyramids that share a cornercorner with one BiIrBr4 square pyramid, edges with two BiIrBr5 pentagonal pyramids, and edges with two BiIrBr4 square pyramids. There are a spread of Bi–Br bond distances ranging from 2.95–3.10 Å. In the twenty-ninth Bi site, Bi is bonded to one Ir and four Br atoms to form distorted BiIrBr4 square pyramids that share a cornercorner with one BiIrBr4 square pyramid, an edgeedge with one BiIrBr5 pentagonal pyramid, edges with two BiIrBr4 square pyramids, and a faceface with one BiIrBr5 pentagonal pyramid. There are a spread of Bi–Br bond distances ranging from 2.97–3.15 Å. In the thirtieth Bi site, Bi is bonded to one Ir and four Br atoms to form a mixture of edge and corner-sharing BiIrBr4 square pyramids. There are a spread of Bi–Br bond distances ranging from 2.96–3.02 Å. In the thirty-first Bi site, Bi is bonded in a distorted single-bond geometry to one Bi and one Br atom. The Bi–Br bond length is 2.91 Å. In the thirty-second Bi site, Bi is bonded to one Ir and four Br atoms to form a mixture of edge and corner-sharing BiIrBr4 square pyramids. There are a spread of Bi–Br bond distances ranging from 2.95–3.09 Å. In the thirty-third Bi site, Bi is bonded in a distorted single-bond geometry to one Bi and one Br atom. The Bi–Br bond length is 3.21 Å. There are thirty-seven inequivalent Br sites. In the first Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the second Br site, Br is bonded in a 3-coordinate geometry to three Bi atoms. In the third Br site, Br is bonded in a 3-coordinate geometry to two Bi atoms. In the fourth Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the fifth Br site, Br is bonded in a distorted single-bond geometry to two Bi atoms. In the sixth Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the seventh Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the eighth Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the ninth Br site, Br is bonded in a distorted L-shaped geometry to three Bi atoms. In the tenth Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the eleventh Br site, Br is bonded in a distorted trigonal non-coplanar geometry to three Bi atoms. In the twelfth Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the thirteenth Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the fourteenth Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the fifteenth Br site, Br is bonded in a distorted L-shaped geometry to two Bi atoms. In the sixteenth Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the seventeenth Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the eighteenth Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the nineteenth Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the twentieth Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the twenty-first Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the twenty-second Br site, Br is bonded in a trigonal non-coplanar geometry to three Bi atoms. In the twenty-third Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the twenty-fourth Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the twenty-fifth Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the twenty-sixth Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the twenty-seventh Br site, Br is bonded in a distorted L-shaped geometry to two Bi atoms. In the twenty-eighth Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the twenty-ninth Br site, Br is bonded in a trigonal non-coplanar geometry to three Bi atoms. In the thirtieth Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the thirty-first Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the thirty-second Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the thirty-third Br site, Br is bonded in a distorted trigonal non-coplanar geometry to three Bi atoms. In the thirty-fourth Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the thirty-fifth Br site, Br is bonded in an L-shaped geometry to two Bi atoms. In the thirty-sixth Br site, Br is bonded in a trigonal non-coplanar geometry to three Bi atoms. In the thirty-seventh Br site, Br is bonded in a distorted trigonal planar geometry to three Bi atoms.