TmFe4Ge2 crystallizes in the tetragonal P4_2/mnm space group. Tm(1) is bonded in a 6-coordinate geometry to six equivalent Ge(1) atoms. Fe(1) is bonded in a 3-coordinate geometry to three equivalent Ge(1) atoms. Ge(1) is bonded in a 9-coordinate geometry to three equivalent Tm(1) and six equivalent Fe(1) atoms.
TmFe4Ge2 crystallizes in the tetragonal P4_2/mnm space group. Tm(1) is bonded in a 6-coordinate geometry to six equivalent Ge(1) atoms. There are two shorter (2.87 Å) and four longer (2.90 Å) Tm(1)-Ge(1) bond lengths. Fe(1) is bonded in a 3-coordinate geometry to three equivalent Ge(1) atoms. There is one shorter (2.40 Å) and two longer (2.44 Å) Fe(1)-Ge(1) bond lengths. Ge(1) is bonded in a 9-coordinate geometry to three equivalent Tm(1) and six equivalent Fe(1) atoms.