HfPtGa crystallizes in the hexagonal P-62c space group. Hf(1) is bonded in a 11-coordinate geometry to one Pt(2), four equivalent Pt(1), and six equivalent Ga(1) atoms. There are two inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in a 9-coordinate geometry to six equivalent Hf(1) and three equivalent Ga(1) atoms. In the second Pt site, Pt(2) is bonded in a 9-coordinate geometry to three equivalent Hf(1) and six equivalent Ga(1) atoms. Ga(1) is bonded in a 10-coordinate geometry to six equivalent Hf(1), two equivalent Pt(1), and two equivalent Pt(2) atoms.
HfPtGa crystallizes in the hexagonal P-62c space group. Hf(1) is bonded in a 11-coordinate geometry to one Pt(2), four equivalent Pt(1), and six equivalent Ga(1) atoms. The Hf(1)-Pt(2) bond length is 2.83 Å. There are two shorter (2.78 Å) and two longer (2.85 Å) Hf(1)-Pt(1) bond lengths. There are a spread of Hf(1)-Ga(1) bond distances ranging from 2.96-3.14 Å. There are two inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in a 9-coordinate geometry to six equivalent Hf(1) and three equivalent Ga(1) atoms. All Pt(1)-Ga(1) bond lengths are 2.65 Å. In the second Pt site, Pt(2) is bonded in a 9-coordinate geometry to three equivalent Hf(1) and six equivalent Ga(1) atoms. All Pt(2)-Ga(1) bond lengths are 2.59 Å. Ga(1) is bonded in a 10-coordinate geometry to six equivalent Hf(1), two equivalent Pt(1), and two equivalent Pt(2) atoms.