DOI: 10.17188/1679445
title: Materials Data on Sn4H26(Br4O5)3 by Materials Project

description: (SnH5(OBr)3)2Sn2H8O5Br6(H2O)4 crystallizes in the monoclinic Pc space group. The structure is zero-dimensional and consists of eight water molecules, two Sn2H8O5Br6 clusters, and two SnH5(OBr)3 clusters. In each Sn2H8O5Br6 cluster, there are two inequivalent Sn4+ sites. In the first Sn4+ site, Sn4+ is bonded to three O2- and three Br1- atoms to form distorted edge-sharing SnBr3O3 octahedra. There are a spread of Sn–O bond distances ranging from 2.12–2.23 Å. There are a spread of Sn–Br bond distances ranging from 2.56–2.61 Å. In the second Sn4+ site, Sn4+ is bonded to three O2- and three Br1- atoms to form edge-sharing SnBr3O3 octahedra. There are two shorter (2.12 Å) and one longer (2.20 Å) Sn–O bond lengths. There are a spread of Sn–Br bond distances ranging from 2.55–2.63 Å. There are eight inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.01 Å) and one longer (1.65 Å) H–O bond length. In the second H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. In the third H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the fourth H1+ site, H1+ is bonded in a distorted single-bond geometry to one O2- atom. The H–O bond length is 1.01 Å. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. In the seventh H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the eighth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two Sn4+ and one H1+ atom. In the second O2- site, O2- is bonded in a distorted water-like geometry to one Sn4+ and two H1+ atoms. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Sn4+ and two H1+ atoms. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to two Sn4+ and one H1+ atom. In the fifth O2- site, O2- is bonded in a distorted water-like geometry to three H1+ atoms. There are six inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a single-bond geometry to one Sn4+ atom. In the second Br1- site, Br1- is bonded in a single-bond geometry to one Sn4+ atom. In the third Br1- site, Br1- is bonded in a single-bond geometry to one Sn4+ atom. In the fourth Br1- site, Br1- is bonded in a single-bond geometry to one Sn4+ atom. In the fifth Br1- site, Br1- is bonded in a single-bond geometry to one Sn4+ atom. In the sixth Br1- site, Br1- is bonded in a single-bond geometry to one Sn4+ atom. In each SnH5(OBr)3 cluster, there are two inequivalent Sn4+ sites. In the first Sn4+ site, Sn4+ is bonded to three O2- and three Br1- atoms to form edge-sharing SnBr3O3 octahedra. There are a spread of Sn–O bond distances ranging from 2.12–2.19 Å. There are a spread of Sn–Br bond distances ranging from 2.55–2.62 Å. In the second Sn4+ site, Sn4+ is bonded to three O2- and three Br1- atoms to form distorted edge-sharing SnBr3O3 octahedra. There are two shorter (2.12 Å) and one longer (2.20 Å) Sn–O bond lengths. There are a spread of Sn–Br bond distances ranging from 2.55–2.64 Å. There are ten inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.01 Å) and one longer (1.65 Å) H–O bond length. In the second H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. In the third H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the fifth H1+ site, H1+ is bonded in a distorted single-bond geometry to one O2- atom. The H–O bond length is 1.01 Å. In the sixth H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.57 Å) H–O bond length. In the seventh H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. In the eighth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.97 Å. In the ninth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the tenth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to two Sn4+ and one H1+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to three H1+ atoms. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sn4+ and two H1+ atoms. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Sn4+ and two H1+ atoms. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to two Sn4+ and one H1+ atom. In the sixth O2- site, O2- is bonded in a distorted water-like geometry to three H1+ atoms. There are six inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a single-bond geometry to one Sn4+ atom. In the second Br1- site, Br1- is bonded in a single-bond geometry to one Sn4+ atom. In the third Br1- site, Br1- is bonded in a single-bond geometry to one Sn4+ atom. In the fourth Br1- site, Br1- is bonded in a single-bond geometry to one Sn4+ atom. In the fifth Br1- site, Br1- is bonded in a single-bond geometry to one Sn4+ atom. In the sixth Br1- site, Br1- is bonded in a single-bond geometry to one Sn4+ atom.