TbNiGa crystallizes in the monoclinic C2/m space group. Tb(1) is bonded in a 11-coordinate geometry to five equivalent Ni(1) and six equivalent Ga(1) atoms. Ni(1) is bonded in a 9-coordinate geometry to five equivalent Tb(1), one Ni(1), and three equivalent Ga(1) atoms. Ga(1) is bonded in a 10-coordinate geometry to six equivalent Tb(1), three equivalent Ni(1), and one Ga(1) atom.
TbNiGa crystallizes in the monoclinic C2/m space group. Tb(1) is bonded in a 11-coordinate geometry to five equivalent Ni(1) and six equivalent Ga(1) atoms. There are a spread of Tb(1)-Ni(1) bond distances ranging from 2.85-3.03 Å. There are a spread of Tb(1)-Ga(1) bond distances ranging from 3.02-3.16 Å. Ni(1) is bonded in a 9-coordinate geometry to five equivalent Tb(1), one Ni(1), and three equivalent Ga(1) atoms. The Ni(1)-Ni(1) bond length is 2.52 Å. There are two shorter (2.48 Å) and one longer (2.59 Å) Ni(1)-Ga(1) bond length. Ga(1) is bonded in a 10-coordinate geometry to six equivalent Tb(1), three equivalent Ni(1), and one Ga(1) atom. The Ga(1)-Ga(1) bond length is 2.79 Å.