Materials Data on Sm(NiSn)2 by Materials Project
Sm(NiSn)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Sm is bonded in a 8-coordinate geometry to eight equivalent Ni and eight equivalent Sn atoms. All Sm–Ni bond lengths are 3.42 Å. All Sm–Sn bond lengths are 3.42 Å. Ni is bonded in a 4-coordinate geometry to four equivalent Sm and four equivalent Sn atoms. All Ni–Sn bond lengths are 2.51 Å. Sn is bonded in a 9-coordinate geometry to four equivalent Sm, four equivalent Ni, and one Sn atom. The Sn–Sn bond length is 2.83 Å.