Materials Data on Ca(NiGe)2 by Materials Project
Ca(NiGe)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Ca is bonded in a 8-coordinate geometry to eight equivalent Ni and eight equivalent Ge atoms. All Ca–Ni bond lengths are 3.23 Å. All Ca–Ge bond lengths are 3.18 Å. Ni is bonded in a 4-coordinate geometry to four equivalent Ca 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 Ca, four equivalent Ni, and one Ge atom. The Ge–Ge bond length is 2.63 Å.