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LaPt3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. La2+ is bonded to twelve equivalent Pt+0.67- atoms to form a mixture of face and corner-sharing LaPt12 cuboctahedra. All La–Pt bond lengths are 3.00 Å. Pt+0.67- is bonded in a distorted square co-planar geometry to four equivalent La2+ atoms.
Pt5La crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. La3+ is bonded in a distorted hexagonal planar geometry to eighteen Pt+0.60- atoms. There are six shorter (3.15 Å) and twelve longer (3.52 Å) La–Pt bond lengths. There are two inequivalent Pt+0.60- sites. In the first Pt+0.60- site, Pt+0.60- is bonded in a 12-coordinate geometry to three equivalent La3+ and six equivalent Pt+0.60- atoms. All Pt–Pt bond lengths are 2.73 Å. In the second Pt+0.60- site, Pt+0.60- is bonded to four equivalent La3+ and eight Pt+0.60- atoms to form a mixture of face, edge, and corner-sharing PtLa4Pt8 cuboctahedra. All Pt–Pt bond lengths are 2.73 Å.
LaPt crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. La2+ is bonded in a 7-coordinate geometry to seven equivalent Pt2- atoms. There are a spread of La–Pt bond distances ranging from 3.03–3.22 Å. Pt2- is bonded in a 7-coordinate geometry to seven equivalent La2+ atoms.
LaPt2 is Cubic Laves structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. La is bonded in a 12-coordinate geometry to twelve equivalent Pt atoms. All La–Pt bond lengths are 3.26 Å. Pt is bonded to six equivalent La and six equivalent Pt atoms to form a mixture of edge, corner, and face-sharing PtLa6Pt6 cuboctahedra. All Pt–Pt bond lengths are 2.78 Å.
La3Pt2 crystallizes in the trigonal R-3 space group. The structure is three-dimensional. there are three inequivalent La sites. In the first La site, La is bonded in an octahedral geometry to six equivalent Pt atoms. All La–Pt bond lengths are 3.15 Å. In the second La site, La is bonded in a 6-coordinate geometry to six equivalent Pt atoms. There are three shorter (3.04 Å) and three longer (3.25 Å) La–Pt bond lengths. In the third La site, La is bonded in a 5-coordinate geometry to five equivalent Pt atoms. There are a spread of La–Pt bond distances ranging from 2.99–3.48 Å. Pt is bonded in a 8-coordinate geometry to eight La atoms.
La7Pt3 crystallizes in the hexagonal P6_3mc space group. The structure is three-dimensional. there are three inequivalent La sites. In the first La site, La is bonded in a 3-coordinate geometry to three equivalent Pt atoms. All La–Pt bond lengths are 3.01 Å. In the second La site, La is bonded in a distorted water-like geometry to two equivalent Pt atoms. Both La–Pt bond lengths are 2.96 Å. In the third La site, La is bonded in a 3-coordinate geometry to three equivalent Pt atoms. There are two shorter (3.01 Å) and one longer (3.12 Å) La–Pt bond lengths. Pt is bonded in a 6-coordinate geometry to six La atoms.
La3Pt4 crystallizes in the trigonal R-3 space group. The structure is three-dimensional. La+2.67+ is bonded in a 9-coordinate geometry to nine Pt2- atoms. There are a spread of La–Pt bond distances ranging from 2.96–3.44 Å. There are three inequivalent Pt2- sites. In the first Pt2- site, Pt2- is bonded in a 6-coordinate geometry to six equivalent La+2.67+ atoms. In the second Pt2- site, Pt2- is bonded in a distorted octahedral geometry to six equivalent La+2.67+ atoms. In the third Pt2- site, Pt2- is bonded in a 10-coordinate geometry to seven equivalent La+2.67+ and three equivalent Pt2- atoms. There are one shorter (2.98 Å) and two longer (3.08 Å) Pt–Pt bond lengths.