Materials Data on Sr(NiGe)2 by Materials Project
SrNi2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Sr is bonded in a 8-coordinate geometry to eight equivalent Ni and eight equivalent Ge atoms. All Sr–Ni bond lengths are 3.32 Å. All Sr–Ge bond lengths are 3.30 Å. Ni is bonded in a 4-coordinate geometry to four equivalent Sr and four equivalent Ge atoms. All Ni–Ge bond lengths are 2.38 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Sr, four equivalent Ni, and one Ge atom. The Ge–Ge bond length is 2.89 Å.