Materials Data on Eu(CoGe)2 by Materials Project
EuCo2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Eu is bonded in a 8-coordinate geometry to eight equivalent Co and eight equivalent Ge atoms. All Eu–Co bond lengths are 3.30 Å. All Eu–Ge bond lengths are 3.16 Å. Co is bonded to four equivalent Eu and four equivalent Ge atoms to form a mixture of distorted face, edge, and corner-sharing CoEu4Ge4 tetrahedra. All Co–Ge bond lengths are 2.34 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Eu, four equivalent Co, and one Ge atom. The Ge–Ge bond length is 2.83 Å.