Materials Data on Ca(Ni2Sn)2 by Materials Project
CaNi4Sn2 crystallizes in the tetragonal I4/mcm space group. The structure is three-dimensional. Ca is bonded in a 8-coordinate geometry to eight equivalent Ni and eight equivalent Sn atoms. All Ca–Ni bond lengths are 3.05 Å. All Ca–Sn bond lengths are 3.51 Å. Ni is bonded in a 10-coordinate geometry to two equivalent Ca, four equivalent Ni, and four equivalent Sn atoms. There are a spread of Ni–Ni bond distances ranging from 2.53–2.75 Å. There are a spread of Ni–Sn bond distances ranging from 2.55–2.66 Å. Sn is bonded in a 12-coordinate geometry to four equivalent Ca and eight equivalent Ni atoms.