DOI: 10.17188/1705679
title: Materials Data on Na2CaV12O32 by Materials Project

description: Na2CaV12O32 crystallizes in the monoclinic Cm space group. The structure is three-dimensional. Na1+ is bonded to four O2- atoms to form distorted corner-sharing NaO4 trigonal pyramids. There are a spread of Na–O bond distances ranging from 2.21–2.42 Å. Ca2+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. There are a spread of Ca–O bond distances ranging from 2.21–2.41 Å. There are nine inequivalent V5+ sites. In the first V5+ site, V5+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of V–O bond distances ranging from 1.60–2.19 Å. In the second V5+ site, V5+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of V–O bond distances ranging from 1.60–2.19 Å. In the third V5+ site, V5+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of V–O bond distances ranging from 1.60–2.20 Å. In the fourth V5+ site, V5+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of V–O bond distances ranging from 1.64–2.01 Å. In the fifth V5+ site, V5+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of V–O bond distances ranging from 1.68–2.07 Å. In the sixth V5+ site, V5+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of V–O bond distances ranging from 1.66–2.04 Å. In the seventh V5+ site, V5+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of V–O bond distances ranging from 1.59–2.04 Å. In the eighth V5+ site, V5+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of V–O bond distances ranging from 1.62–2.05 Å. In the ninth V5+ site, V5+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of V–O bond distances ranging from 1.61–2.04 Å. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal non-coplanar geometry to two equivalent Na1+ and one V5+ atom. In the second O2- site, O2- is bonded in a trigonal non-coplanar geometry to two equivalent Na1+ and one V5+ atom. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to one Ca2+ and one V5+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one V5+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to one Ca2+ and one V5+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Na1+ and one V5+ atom. In the seventh O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three V5+ atoms. In the eighth O2- site, O2- is bonded in a distorted trigonal planar geometry to three V5+ atoms. In the ninth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three V5+ atoms. In the tenth O2- site, O2- is bonded in a single-bond geometry to one V5+ atom. In the eleventh O2- site, O2- is bonded in a single-bond geometry to one V5+ atom. In the twelfth O2- site, O2- is bonded in a single-bond geometry to one V5+ atom. In the thirteenth O2- site, O2- is bonded in a bent 120 degrees geometry to two V5+ atoms. In the fourteenth O2- site, O2- is bonded in a bent 120 degrees geometry to two V5+ atoms. In the fifteenth O2- site, O2- is bonded in a bent 120 degrees geometry to two V5+ atoms. In the sixteenth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three V5+ atoms. In the seventeenth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three V5+ atoms. In the eighteenth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three V5+ atoms. In the nineteenth O2- site, O2- is bonded in a single-bond geometry to one V5+ atom. In the twentieth O2- site, O2- is bonded in a distorted linear geometry to one Ca2+ and one V5+ atom. In the twenty-first O2- site, O2- is bonded in a linear geometry to one Na1+ and one V5+ atom. In the twenty-second O2- site, O2- is bonded in a 3-coordinate geometry to three V5+ atoms. In the twenty-third O2- site, O2- is bonded in a 3-coordinate geometry to three V5+ atoms. In the twenty-fourth O2- site, O2- is bonded in a 3-coordinate geometry to three V5+ atoms.