DOI: 10.17188/1291464
title: Materials Data on Li2Sn(BO3)2 by Materials Project

description: Li2Sn(BO3)2 crystallizes in the monoclinic P2_1 space group. The structure is three-dimensional. there are four inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to five O2- atoms to form distorted LiO5 trigonal bipyramids that share an edgeedge with one SnO6 octahedra and an edgeedge with one SnO5 trigonal bipyramid. There are a spread of Li–O bond distances ranging from 2.01–2.53 Å. In the second Li1+ site, Li1+ is bonded in a 4-coordinate geometry to five O2- atoms. There are a spread of Li–O bond distances ranging from 1.95–2.61 Å. In the third Li1+ site, Li1+ is bonded in a 4-coordinate geometry to five O2- atoms. There are a spread of Li–O bond distances ranging from 1.93–2.73 Å. In the fourth Li1+ site, Li1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 1.88–2.15 Å. There are four inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.35 Å) and two longer (1.41 Å) B–O bond length. In the second B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. All B–O bond lengths are 1.39 Å. In the third B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.37–1.41 Å. In the fourth B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.38 Å) and two longer (1.39 Å) B–O bond length. There are two inequivalent Sn4+ sites. In the first Sn4+ site, Sn4+ is bonded to six O2- atoms to form distorted SnO6 octahedra that share an edgeedge with one LiO5 trigonal bipyramid. There are a spread of Sn–O bond distances ranging from 2.04–2.25 Å. In the second Sn4+ site, Sn4+ is bonded to five O2- atoms to form SnO5 trigonal bipyramids that share an edgeedge with one LiO5 trigonal bipyramid. There are a spread of Sn–O bond distances ranging from 2.00–2.13 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one B3+, and one Sn4+ atom. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one B3+, and one Sn4+ atom. In the third O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Li1+ and one B3+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two Li1+, one B3+, and one Sn4+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one B3+, and one Sn4+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Li1+, one B3+, and one Sn4+ atom. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one B3+, and one Sn4+ atom. In the eighth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one B3+, and one Sn4+ atom. In the ninth O2- site, O2- is bonded in a 5-coordinate geometry to three Li1+, one B3+, and one Sn4+ atom. In the tenth O2- site, O2- is bonded in a 2-coordinate geometry to one Li1+, one B3+, and one Sn4+ atom. In the eleventh O2- site, O2- is bonded in a distorted tetrahedral geometry to two Li1+, one B3+, and one Sn4+ atom. In the twelfth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one B3+, and one Sn4+ atom.