Materials Data on Ca(CuGe)2 by Materials Project
Ca(CuGe)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 Cu and eight equivalent Ge atoms. All Ca–Cu bond lengths are 3.30 Å. All Ca–Ge bond lengths are 3.19 Å. Cu is bonded in a 4-coordinate geometry to four equivalent Ca and four equivalent Ge atoms. All Cu–Ge bond lengths are 2.46 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Ca, four equivalent Cu, and one Ge atom. The Ge–Ge bond length is 2.50 Å.