DOI: 10.17188/1656249
title: Materials Data on V2Bi8O17 by Materials Project

description: Bi8V2O17 crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are two inequivalent V5+ sites. In the first V5+ site, V5+ is bonded to five O2- atoms to form distorted corner-sharing VO5 square pyramids. There are a spread of V–O bond distances ranging from 1.73–1.92 Å. In the second V5+ site, V5+ is bonded to five O2- atoms to form distorted corner-sharing VO5 trigonal bipyramids. There are a spread of V–O bond distances ranging from 1.71–1.93 Å. There are eight inequivalent Bi3+ sites. In the first Bi3+ site, Bi3+ is bonded to five O2- atoms to form corner-sharing BiO5 trigonal bipyramids. There are a spread of Bi–O bond distances ranging from 2.27–2.38 Å. In the second Bi3+ site, Bi3+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Bi–O bond distances ranging from 2.20–2.67 Å. In the third Bi3+ site, Bi3+ is bonded to five O2- atoms to form corner-sharing BiO5 trigonal bipyramids. There are a spread of Bi–O bond distances ranging from 2.27–2.38 Å. In the fourth Bi3+ site, Bi3+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Bi–O bond distances ranging from 2.18–2.78 Å. In the fifth Bi3+ site, Bi3+ is bonded to five O2- atoms to form corner-sharing BiO5 trigonal bipyramids. There are a spread of Bi–O bond distances ranging from 2.26–2.39 Å. In the sixth Bi3+ site, Bi3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Bi–O bond distances ranging from 2.32–2.98 Å. In the seventh Bi3+ site, Bi3+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are a spread of Bi–O bond distances ranging from 2.36–2.76 Å. In the eighth Bi3+ site, Bi3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Bi–O bond distances ranging from 2.32–2.77 Å. There are seventeen inequivalent O2- sites. In the first O2- site, O2- is bonded to four Bi3+ atoms to form distorted corner-sharing OBi4 tetrahedra. In the second O2- site, O2- is bonded in a trigonal planar geometry to three Bi3+ atoms. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to three equivalent Bi3+ atoms. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Bi3+ atoms. In the fifth O2- site, O2- is bonded to four Bi3+ atoms to form distorted corner-sharing OBi4 tetrahedra. In the sixth O2- site, O2- is bonded in a trigonal planar geometry to three equivalent Bi3+ atoms. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to one V5+ and three equivalent Bi3+ atoms. In the eighth O2- site, O2- is bonded in a 4-coordinate geometry to four Bi3+ atoms. In the ninth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two equivalent V5+ and one Bi3+ atom. In the tenth O2- site, O2- is bonded in a distorted single-bond geometry to one V5+ and one Bi3+ atom. In the eleventh O2- site, O2- is bonded in a 4-coordinate geometry to one V5+ and three equivalent Bi3+ atoms. In the twelfth O2- site, O2- is bonded in a 1-coordinate geometry to one V5+ and three equivalent Bi3+ atoms. In the thirteenth O2- site, O2- is bonded in a distorted single-bond geometry to one V5+ and one Bi3+ atom. In the fourteenth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent V5+ and one Bi3+ atom. In the fifteenth O2- site, O2- is bonded to four Bi3+ atoms to form distorted corner-sharing OBi4 tetrahedra. In the sixteenth O2- site, O2- is bonded in a distorted single-bond geometry to one V5+ and three equivalent Bi3+ atoms. In the seventeenth O2- site, O2- is bonded in a trigonal planar geometry to three equivalent Bi3+ atoms.