Materials Data on Sm(NiGe)2 by Materials Project
Sm(NiGe)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 Ge atoms. All Sm–Ni bond lengths are 3.21 Å. All Sm–Ge bond lengths are 3.18 Å. Ni is bonded in a 4-coordinate geometry to four equivalent Sm and four equivalent Ge atoms. All Ni–Ge bond lengths are 2.37 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Sm, four equivalent Ni, and one Ge atom. The Ge–Ge bond length is 2.57 Å.