Materials Data on La(NiGe)2 by Materials Project
LaNi2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. La is bonded in a 8-coordinate geometry to eight equivalent Ni and eight equivalent Ge atoms. All La–Ni bond lengths are 3.25 Å. All La–Ge bond lengths are 3.26 Å. Ni is bonded in a 4-coordinate geometry to four equivalent La and four equivalent Ge atoms. All Ni–Ge bond lengths are 2.39 Å. Ge is bonded in a 9-coordinate geometry to four equivalent La, four equivalent Ni, and one Ge atom. The Ge–Ge bond length is 2.66 Å.