Tm(Rh2Ge)2 crystallizes in the orthorhombic Pnma space group. Tm(1) is bonded in a 13-coordinate geometry to two equivalent Rh(3), three equivalent Rh(1), three equivalent Rh(2), three equivalent Rh(4), and two equivalent Ge(1) atoms. There are four inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a 6-coordinate geometry to three equivalent Tm(1), one Ge(2), and three equivalent Ge(1) atoms. In the second Rh site, Rh(2) is bonded in a 5-coordinate geometry to three equivalent Tm(1), three equivalent Rh(4), one Ge(2), and two equivalent Ge(1) atoms. In the third Rh site, Rh(3) is bonded in a 6-coordinate geometry to two equivalent Tm(1), three equivalent Rh(4), one Ge(1), and three equivalent Ge(2) atoms. In the fourth Rh site, Rh(4) is bonded in a 13-coordinate geometry to three equivalent Tm(1), three equivalent Rh(2), three equivalent Rh(3), one Ge(1), and three equivalent Ge(2) atoms. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to two equivalent Tm(1), one Rh(3), one Rh(4), two equivalent Rh(2), and three equivalent Rh(1) atoms. In the second Ge site, Ge(2) is bonded in a 8-coordinate geometry to one Rh(1), one Rh(2), three equivalent Rh(3), and three equivalent Rh(4) atoms.
Tm(Rh2Ge)2 crystallizes in the orthorhombic Pnma space group. Tm(1) is bonded in a 13-coordinate geometry to two equivalent Rh(3), three equivalent Rh(1), three equivalent Rh(2), three equivalent Rh(4), and two equivalent Ge(1) atoms. There is one shorter (3.01 Å) and one longer (3.14 Å) Tm(1)-Rh(3) bond length. There are two shorter (2.89 Å) and one longer (3.10 Å) Tm(1)-Rh(1) bond length. There are two shorter (2.76 Å) and one longer (3.16 Å) Tm(1)-Rh(2) bond length. There are two shorter (3.16 Å) and one longer (3.17 Å) Tm(1)-Rh(4) bond length. Both Tm(1)-Ge(1) bond lengths are 3.00 Å. There are four inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a 6-coordinate geometry to three equivalent Tm(1), one Ge(2), and three equivalent Ge(1) atoms. The Rh(1)-Ge(2) bond length is 2.51 Å. There is one shorter (2.42 Å) and two longer (2.62 Å) Rh(1)-Ge(1) bond lengths. In the second Rh site, Rh(2) is bonded in a 5-coordinate geometry to three equivalent Tm(1), three equivalent Rh(4), one Ge(2), and two equivalent Ge(1) atoms. There is one shorter (2.97 Å) and two longer (2.98 Å) Rh(2)-Rh(4) bond lengths. The Rh(2)-Ge(2) bond length is 2.47 Å. Both Rh(2)-Ge(1) bond lengths are 2.52 Å. In the third Rh site, Rh(3) is bonded in a 6-coordinate geometry to two equivalent Tm(1), three equivalent Rh(4), one Ge(1), and three equivalent Ge(2) atoms. There are two shorter (2.83 Å) and one longer (2.89 Å) Rh(3)-Rh(4) bond length. The Rh(3)-Ge(1) bond length is 2.38 Å. There are two shorter (2.54 Å) and one longer (2.64 Å) Rh(3)-Ge(2) bond length. In the fourth Rh site, Rh(4) is bonded in a 13-coordinate geometry to three equivalent Tm(1), three equivalent Rh(2), three equivalent Rh(3), one Ge(1), and three equivalent Ge(2) atoms. The Rh(4)-Ge(1) bond length is 2.45 Å. There are two shorter (2.57 Å) and one longer (2.68 Å) Rh(4)-Ge(2) bond length. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to two equivalent Tm(1), one Rh(3), one Rh(4), two equivalent Rh(2), and three equivalent Rh(1) atoms. In the second Ge site, Ge(2) is bonded in a 8-coordinate geometry to one Rh(1), one Rh(2), three equivalent Rh(3), and three equivalent Rh(4) atoms.