Materials Data on Li3Sn(BO3)2 by Materials Project
Li3Sn(BO3)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are three inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to four O2- atoms to form a mixture of distorted edge and corner-sharing LiO4 trigonal pyramids. There are a spread of Li–O bond distances ranging from 1.93–2.07 Å. In the second Li1+ site, Li1+ is bonded to four O2- atoms to form a mixture of edge and corner-sharing LiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.97–2.07 Å. In the third Li1+ site, Li1+ is bonded to four O2- atoms to form a mixture of edge and corner-sharing LiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.90–2.03 Å. There are two inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.39 Å) and one longer (1.40 Å) B–O bond length. In the second 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 1.37–1.40 Å. Sn3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Sn–O bond distances ranging from 2.27–2.58 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two Li1+, one B3+, and one Sn3+ atom. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one B3+, and one Sn3+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one B3+, and one Sn3+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to three Li1+, one B3+, and one Sn3+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to one Li1+, one B3+, and two equivalent Sn3+ atoms. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one B3+, and one Sn3+ atom.