Ba(PtGa)2 is alpha Pu-derived structured and crystallizes in the monoclinic P2_1/c space group. Ba(1) is bonded in a 2-coordinate geometry to two equivalent Pt(2) atoms. There are two inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in a 4-coordinate geometry to one Ga(2) and three equivalent Ga(1) atoms. In the second Pt site, Pt(2) is bonded in a 6-coordinate geometry to two equivalent Ba(1), one Ga(1), and three equivalent Ga(2) atoms. There are two inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 4-coordinate geometry to one Pt(2) and three equivalent Pt(1) atoms. In the second Ga site, Ga(2) is bonded in a 4-coordinate geometry to one Pt(1) and three equivalent Pt(2) atoms.
Ba(PtGa)2 is alpha Pu-derived structured and crystallizes in the monoclinic P2_1/c space group. Ba(1) is bonded in a 2-coordinate geometry to two equivalent Pt(2) atoms. There is one shorter (3.30 Å) and one longer (3.38 Å) Ba(1)-Pt(2) bond length. There are two inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in a 4-coordinate geometry to one Ga(2) and three equivalent Ga(1) atoms. The Pt(1)-Ga(2) bond length is 2.53 Å. There are a spread of Pt(1)-Ga(1) bond distances ranging from 2.44-2.48 Å. In the second Pt site, Pt(2) is bonded in a 6-coordinate geometry to two equivalent Ba(1), one Ga(1), and three equivalent Ga(2) atoms. The Pt(2)-Ga(1) bond length is 2.50 Å. There are a spread of Pt(2)-Ga(2) bond distances ranging from 2.46-2.56 Å. There are two inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 4-coordinate geometry to one Pt(2) and three equivalent Pt(1) atoms. In the second Ga site, Ga(2) is bonded in a 4-coordinate geometry to one Pt(1) and three equivalent Pt(2) atoms.