DOI: 10.17188/1734170
title: Materials Data on Bi12Pb2Cl6O17 by Materials Project

description: Pb2Bi12O17Cl6 crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are two inequivalent Pb2+ sites. In the first Pb2+ site, Pb2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Pb–O bond distances ranging from 2.48–2.74 Å. In the second Pb2+ site, Pb2+ is bonded in a distorted body-centered cubic geometry to eight O2- atoms. There are a spread of Pb–O bond distances ranging from 2.41–3.11 Å. There are twelve inequivalent Bi3+ sites. In the first Bi3+ site, Bi3+ is bonded in a 4-coordinate geometry to four O2- and two equivalent Cl1- atoms. There are a spread of Bi–O bond distances ranging from 2.11–2.48 Å. Both Bi–Cl bond lengths are 3.38 Å. In the second Bi3+ site, Bi3+ is bonded in a 4-coordinate geometry to four O2- and four Cl1- atoms. There are a spread of Bi–O bond distances ranging from 2.29–2.33 Å. There are two shorter (3.17 Å) and two longer (3.25 Å) Bi–Cl bond lengths. In the third Bi3+ site, Bi3+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Bi–O bond distances ranging from 2.23–2.26 Å. In the fourth Bi3+ site, Bi3+ is bonded in a 4-coordinate geometry to four O2- and two equivalent Cl1- atoms. There are a spread of Bi–O bond distances ranging from 2.14–2.47 Å. Both Bi–Cl bond lengths are 3.26 Å. In the fifth Bi3+ site, Bi3+ is bonded in a 4-coordinate geometry to four O2- and four Cl1- atoms. There are a spread of Bi–O bond distances ranging from 2.19–2.38 Å. There are two shorter (3.07 Å) and two longer (3.33 Å) Bi–Cl bond lengths. In the sixth Bi3+ site, Bi3+ is bonded in a 4-coordinate geometry to four O2- and four Cl1- atoms. There are one shorter (2.27 Å) and three longer (2.32 Å) Bi–O bond lengths. There are two shorter (3.14 Å) and two longer (3.20 Å) Bi–Cl bond lengths. In the seventh Bi3+ site, Bi3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Bi–O bond distances ranging from 2.26–2.70 Å. In the eighth Bi3+ site, Bi3+ is bonded in a 7-coordinate geometry to five O2- and two equivalent Cl1- atoms. There are a spread of Bi–O bond distances ranging from 2.25–2.53 Å. Both Bi–Cl bond lengths are 3.08 Å. In the ninth Bi3+ site, Bi3+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Bi–O bond distances ranging from 2.20–2.35 Å. In the tenth Bi3+ site, Bi3+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Bi–O bond distances ranging from 2.17–2.35 Å. In the eleventh Bi3+ site, Bi3+ is bonded in a 3-coordinate geometry to three O2- and two equivalent Cl1- atoms. There are one shorter (2.07 Å) and two longer (2.29 Å) Bi–O bond lengths. Both Bi–Cl bond lengths are 3.45 Å. In the twelfth Bi3+ site, Bi3+ is bonded to four O2- atoms to form distorted corner-sharing BiO4 tetrahedra. There are a spread of Bi–O bond distances ranging from 2.19–2.22 Å. There are seventeen inequivalent O2- sites. In the first O2- site, O2- is bonded to two Pb2+ and two equivalent Bi3+ atoms to form a mixture of distorted edge and corner-sharing OBi2Pb2 tetrahedra. In the second O2- site, O2- is bonded to two Pb2+ and two equivalent Bi3+ atoms to form a mixture of distorted edge and corner-sharing OBi2Pb2 tetrahedra. In the third O2- site, O2- is bonded to two equivalent Pb2+ and two Bi3+ atoms to form a mixture of distorted edge and corner-sharing OBi2Pb2 tetrahedra. In the fourth O2- site, O2- is bonded to two equivalent Pb2+ and two Bi3+ atoms to form a mixture of distorted edge and corner-sharing OBi2Pb2 tetrahedra. In the fifth O2- site, O2- is bonded to one Pb2+ and three Bi3+ atoms to form a mixture of distorted edge and corner-sharing OBi3Pb tetrahedra. In the sixth O2- site, O2- is bonded to one Pb2+ and three Bi3+ atoms to form a mixture of distorted edge and corner-sharing OBi3Pb tetrahedra. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to four Bi3+ atoms. In the eighth O2- site, O2- is bonded to four Bi3+ atoms to form OBi4 tetrahedra that share corners with four OBi2Pb2 tetrahedra and edges with four OBi4 tetrahedra. In the ninth O2- site, O2- is bonded to four Bi3+ atoms to form a mixture of distorted edge and corner-sharing OBi4 tetrahedra. In the tenth O2- site, O2- is bonded to four Bi3+ atoms to form a mixture of edge and corner-sharing OBi4 tetrahedra. In the eleventh O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three Bi3+ atoms. In the twelfth O2- site, O2- is bonded to four Bi3+ atoms to form OBi4 tetrahedra that share corners with four OBi3Pb tetrahedra and edges with four OBi4 tetrahedra. In the thirteenth O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Pb2+ and two Bi3+ atoms. In the fourteenth O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Pb2+ and two Bi3+ atoms. In the fifteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Pb2+ and three Bi3+ atoms. In the sixteenth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three Bi3+ and one Cl1- atom. The O–Cl bond length is 3.37 Å. In the seventeenth O2- site, O2- is bonded in a trigonal non-coplanar geometry to three Bi3+ atoms. There are six inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 4-coordinate geometry to four Bi3+ atoms. In the second Cl1- site, Cl1- is bonded in a 2-coordinate geometry to two equivalent Bi3+ atoms. In the third Cl1- site, Cl1- is bonded in a 4-coordinate geometry to four Bi3+ atoms. In the fourth Cl1- site, Cl1- is bonded in a 12-coordinate geometry to four Bi3+ and one O2- atom. In the fifth Cl1- site, Cl1- is bonded in a 2-coordinate geometry to two equivalent Bi3+ atoms. In the sixth Cl1- site, Cl1- is bonded in a 4-coordinate geometry to four Bi3+ atoms.