TmCu2Ge2 crystallizes in the tetragonal I4/mmm space group. Tm(1) is bonded in a 16-coordinate geometry to eight equivalent Cu(1) and eight equivalent Ge(1) atoms. Cu(1) is bonded in a 9-coordinate geometry to four equivalent Tm(1), one Cu(1), and four equivalent Ge(1) atoms. Ge(1) is bonded in a 4-coordinate geometry to four equivalent Tm(1) and four equivalent Cu(1) atoms.
TmCu2Ge2 crystallizes in the tetragonal I4/mmm space group. Tm(1) is bonded in a 16-coordinate geometry to eight equivalent Cu(1) and eight equivalent Ge(1) atoms. All Tm(1)-Cu(1) bond lengths are 3.14 Å. All Tm(1)-Ge(1) bond lengths are 3.26 Å. Cu(1) is bonded in a 9-coordinate geometry to four equivalent Tm(1), one Cu(1), and four equivalent Ge(1) atoms. The Cu(1)-Cu(1) bond length is 2.33 Å. All Cu(1)-Ge(1) bond lengths are 2.47 Å. Ge(1) is bonded in a 4-coordinate geometry to four equivalent Tm(1) and four equivalent Cu(1) atoms.