Ca(IrGe)2 crystallizes in the tetragonal I4/mmm space group. Ca(1) is bonded in a 16-coordinate geometry to eight equivalent Ir(1) and eight equivalent Ge(1) atoms. Ir(1) is bonded in a 4-coordinate geometry to four equivalent Ca(1) and four equivalent Ge(1) atoms. Ge(1) is bonded in a 9-coordinate geometry to four equivalent Ca(1), four equivalent Ir(1), and one Ge(1) atom.
Ca(IrGe)2 crystallizes in the tetragonal I4/mmm space group. Ca(1) is bonded in a 16-coordinate geometry to eight equivalent Ir(1) and eight equivalent Ge(1) atoms. All Ca(1)-Ir(1) bond lengths are 3.32 Å. All Ca(1)-Ge(1) bond lengths are 3.22 Å. Ir(1) is bonded in a 4-coordinate geometry to four equivalent Ca(1) and four equivalent Ge(1) atoms. All Ir(1)-Ge(1) bond lengths are 2.45 Å. Ge(1) is bonded in a 9-coordinate geometry to four equivalent Ca(1), four equivalent Ir(1), and one Ge(1) atom. The Ge(1)-Ge(1) bond length is 2.59 Å.