Materials Data on Li2Sn2Au by Materials Project
Li2AuSn2 crystallizes in the tetragonal I4_1/amd space group. The structure is three-dimensional. there are four inequivalent Li sites. In the first Li site, Li is bonded in a 2-coordinate geometry to two equivalent Au and seven Sn atoms. Both Li–Au bond lengths are 2.75 Å. There are a spread of Li–Sn bond distances ranging from 3.02–3.28 Å. In the second Li site, Li is bonded in a 2-coordinate geometry to two equivalent Au and seven Sn atoms. Both Li–Au bond lengths are 2.75 Å. There are a spread of Li–Sn bond distances ranging from 3.02–3.28 Å. In the third Li site, Li is bonded in a 2-coordinate geometry to two equivalent Au and seven Sn atoms. Both Li–Au bond lengths are 2.75 Å. There are a spread of Li–Sn bond distances ranging from 3.02–3.28 Å. In the fourth Li site, Li is bonded in a 2-coordinate geometry to two equivalent Au and seven Sn atoms. Both Li–Au bond lengths are 2.75 Å. There are a spread of Li–Sn bond distances ranging from 3.02–3.28 Å. Au is bonded in a body-centered cubic geometry to four equivalent Li and four Sn atoms. All Au–Sn bond lengths are 2.78 Å. There are four inequivalent Sn sites. In the first Sn site, Sn is bonded in a 11-coordinate geometry to seven Li, two equivalent Au, and two equivalent Sn atoms. Both Sn–Li bond lengths are 3.03 Å. Both Sn–Sn bond lengths are 3.00 Å. In the second Sn site, Sn is bonded in a 11-coordinate geometry to seven Li, two equivalent Au, and two equivalent Sn atoms. Both Sn–Li bond lengths are 3.03 Å. Both Sn–Au bond lengths are 2.78 Å. Both Sn–Sn bond lengths are 3.00 Å. In the third Sn site, Sn is bonded in a 11-coordinate geometry to seven Li, two equivalent Au, and two equivalent Sn atoms. Both Sn–Au bond lengths are 2.78 Å. In the fourth Sn site, Sn is bonded in a 11-coordinate geometry to seven Li, two equivalent Au, and two equivalent Sn atoms. Both Sn–Sn bond lengths are 3.00 Å.