Materials Data on Li2CaV12O32 by Materials Project
Li2CaV12O32 crystallizes in the monoclinic Cm space group. The structure is three-dimensional. Li1+ is bonded to six O2- atoms to form edge-sharing LiO6 octahedra. There are a spread of Li–O bond distances ranging from 2.15–2.59 Å. Ca2+ is bonded to six O2- atoms to form CaO6 octahedra that share a cornercorner with one VO6 octahedra. The corner-sharing octahedral tilt angles are 21°. There are a spread of Ca–O bond distances ranging from 2.30–2.38 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 1.65–2.00 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 1.65–2.02 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 1.65–2.01 Å. In the fourth V5+ site, V5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of V–O bond distances ranging from 1.66–2.43 Å. In the fifth V5+ site, V5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of V–O bond distances ranging from 1.66–2.35 Å. In the sixth V5+ site, V5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of V–O bond distances ranging from 1.64–2.39 Å. In the seventh V5+ site, V5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of V–O bond distances ranging from 1.62–2.33 Å. In the eighth V5+ site, V5+ is bonded to six O2- atoms to form distorted VO6 octahedra that share a cornercorner with one CaO6 octahedra. The corner-sharing octahedral tilt angles are 21°. There are a spread of V–O bond distances ranging from 1.65–2.25 Å. In the ninth V5+ site, V5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of V–O bond distances ranging from 1.64–2.30 Å. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to two V5+ atoms. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to two V5+ atoms. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to two V5+ atoms. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to three V5+ atoms. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to three V5+ atoms. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to three V5+ atoms. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to four V5+ atoms. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to four V5+ atoms. In the ninth O2- site, O2- is bonded in a 2-coordinate geometry to four V5+ atoms. In the tenth O2- site, O2- is bonded in a trigonal planar geometry to one Ca2+ and two V5+ atoms. In the eleventh O2- site, O2- is bonded in a bent 120 degrees geometry to two V5+ atoms. In the twelfth O2- site, O2- is bonded in a trigonal planar geometry to one Li1+ and two V5+ atoms. In the thirteenth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three V5+ atoms. In the fourteenth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three V5+ atoms. In the fifteenth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three V5+ atoms. In the sixteenth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Li1+ and one V5+ atom. In the seventeenth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Li1+ and one V5+ atom. In the eighteenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Ca2+ and one V5+ atom. In the nineteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Li1+ and one V5+ atom. In the twentieth O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Li1+ and one V5+ atom. In the twenty-first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Ca2+ and one V5+ atom. In the twenty-second O2- site, O2- is bonded in a single-bond geometry to one V5+ atom. In the twenty-third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Ca2+ and one V5+ atom. In the twenty-fourth O2- site, O2- is bonded in a bent 150 degrees geometry to one Li1+ and one V5+ atom.