Tm3Mn3Ga2Si crystallizes in the hexagonal P-62m space group. Tm(1) is bonded in a 11-coordinate geometry to six equivalent Mn(1), four equivalent Ga(1), and one Si(1) atom. Mn(1) is bonded in a 12-coordinate geometry to six equivalent Tm(1), two equivalent Mn(1), two equivalent Ga(1), and two equivalent Si(1) atoms. Ga(1) is bonded in a 9-coordinate geometry to six equivalent Tm(1) and three equivalent Mn(1) atoms. Si(1) is bonded in a 9-coordinate geometry to three equivalent Tm(1) and six equivalent Mn(1) atoms.
Tm3Mn3Ga2Si crystallizes in the hexagonal P-62m space group. Tm(1) is bonded in a 11-coordinate geometry to six equivalent Mn(1), four equivalent Ga(1), and one Si(1) atom. There are four shorter (3.13 Å) and two longer (3.26 Å) Tm(1)-Mn(1) bond lengths. All Tm(1)-Ga(1) bond lengths are 2.88 Å. The Tm(1)-Si(1) bond length is 2.84 Å. Mn(1) is bonded in a 12-coordinate geometry to six equivalent Tm(1), two equivalent Mn(1), two equivalent Ga(1), and two equivalent Si(1) atoms. Both Mn(1)-Mn(1) bond lengths are 2.70 Å. Both Mn(1)-Ga(1) bond lengths are 2.82 Å. Both Mn(1)-Si(1) bond lengths are 2.48 Å. Ga(1) is bonded in a 9-coordinate geometry to six equivalent Tm(1) and three equivalent Mn(1) atoms. Si(1) is bonded in a 9-coordinate geometry to three equivalent Tm(1) and six equivalent Mn(1) atoms.