Materials Data on Eu(CuGe)2 by Materials Project
EuCu2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Eu is bonded in a 8-coordinate geometry to eight equivalent Cu and eight equivalent Ge atoms. All Eu–Cu bond lengths are 3.32 Å. All Eu–Ge bond lengths are 3.23 Å. Cu is bonded in a 4-coordinate geometry to four equivalent Eu and four equivalent Ge atoms. All Cu–Ge bond lengths are 2.47 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Eu, four equivalent Cu, and one Ge atom. The Ge–Ge bond length is 2.54 Å.