TmPtGe2 crystallizes in the orthorhombic Immm space group. There are two inequivalent Tm sites. In the first Tm site, Tm(1) is bonded in a 14-coordinate geometry to four equivalent Pt(1), two equivalent Ge(3), four equivalent Ge(1), and four equivalent Ge(2) atoms. In the second Tm site, Tm(2) is bonded in a 14-coordinate geometry to six equivalent Pt(1), two equivalent Ge(2), and six equivalent Ge(3) atoms. Pt(1) is bonded in a 10-coordinate geometry to two equivalent Tm(1), three equivalent Tm(2), one Ge(1), one Ge(2), and three equivalent Ge(3) atoms. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 7-coordinate geometry to four equivalent Tm(1), two equivalent Pt(1), and one Ge(1) atom. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to two equivalent Tm(2), four equivalent Tm(1), two equivalent Pt(1), and one Ge(2) atom. In the third Ge site, Ge(3) is bonded in a 8-coordinate geometry to one Tm(1), three equivalent Tm(2), three equivalent Pt(1), and one Ge(3) atom.
TmPtGe2 crystallizes in the orthorhombic Immm space group. There are two inequivalent Tm sites. In the first Tm site, Tm(1) is bonded in a 14-coordinate geometry to four equivalent Pt(1), two equivalent Ge(3), four equivalent Ge(1), and four equivalent Ge(2) atoms. All Tm(1)-Pt(1) bond lengths are 3.23 Å. Both Tm(1)-Ge(3) bond lengths are 3.39 Å. All Tm(1)-Ge(1) bond lengths are 3.39 Å. All Tm(1)-Ge(2) bond lengths are 3.23 Å. In the second Tm site, Tm(2) is bonded in a 14-coordinate geometry to six equivalent Pt(1), two equivalent Ge(2), and six equivalent Ge(3) atoms. There are four shorter (3.21 Å) and two longer (3.28 Å) Tm(2)-Pt(1) bond lengths. Both Tm(2)-Ge(2) bond lengths are 3.02 Å. There are four shorter (2.99 Å) and two longer (3.06 Å) Tm(2)-Ge(3) bond lengths. Pt(1) is bonded in a 10-coordinate geometry to two equivalent Tm(1), three equivalent Tm(2), one Ge(1), one Ge(2), and three equivalent Ge(3) atoms. The Pt(1)-Ge(1) bond length is 2.50 Å. The Pt(1)-Ge(2) bond length is 2.49 Å. There are two shorter (2.49 Å) and one longer (2.64 Å) Pt(1)-Ge(3) bond length. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 7-coordinate geometry to four equivalent Tm(1), two equivalent Pt(1), and one Ge(1) atom. The Ge(1)-Ge(1) bond length is 2.40 Å. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to two equivalent Tm(2), four equivalent Tm(1), two equivalent Pt(1), and one Ge(2) atom. The Ge(2)-Ge(2) bond length is 2.42 Å. In the third Ge site, Ge(3) is bonded in a 8-coordinate geometry to one Tm(1), three equivalent Tm(2), three equivalent Pt(1), and one Ge(3) atom. The Ge(3)-Ge(3) bond length is 2.64 Å.