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LaAg is Tetraauricupride structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. La is bonded in a body-centered cubic geometry to eight equivalent Ag atoms. All La–Ag bond lengths are 3.33 Å. Ag is bonded in a body-centered cubic geometry to eight equivalent La atoms.
La3Ag crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. La is bonded in a 4-coordinate geometry to four equivalent Ag atoms. There are two shorter (3.35 Å) and two longer (3.63 Å) La–Ag bond lengths. Ag is bonded to twelve equivalent La atoms to form a mixture of corner and face-sharing AgLa12 cuboctahedra.
LaAg2 crystallizes in the orthorhombic Imma space group. The structure is three-dimensional. La is bonded in a 12-coordinate geometry to twelve equivalent Ag atoms. There are a spread of La–Ag bond distances ranging from 3.30–3.46 Å. Ag is bonded in a 10-coordinate geometry to six equivalent La and four equivalent Ag atoms. There are a spread of Ag–Ag bond distances ranging from 2.81–3.02 Å.
LaAg3 is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. La is bonded in a distorted body-centered cubic geometry to fourteen Ag atoms. There are eight shorter (3.12 Å) and six longer (3.61 Å) La–Ag bond lengths. There are two inequivalent Ag sites. In the first Ag site, Ag is bonded to four equivalent La and four equivalent Ag atoms to form a mixture of distorted corner, edge, and face-sharing AgLa4Ag4 tetrahedra. All Ag–Ag bond lengths are 3.12 Å. In the second Ag site, Ag is bonded in a 8-coordinate geometry to six equivalent La and eight equivalent Ag atoms.
LaAg5 crystallizes in the trigonal P-3m1 space group. The structure is three-dimensional. La is bonded in a 10-coordinate geometry to thirteen Ag atoms. There are a spread of La–Ag bond distances ranging from 3.25–3.63 Å. There are four inequivalent Ag sites. In the first Ag site, Ag is bonded to twelve Ag atoms to form distorted AgAg12 cuboctahedra that share corners with twelve equivalent AgLa3Ag9 cuboctahedra, edges with six equivalent AgAg12 cuboctahedra, and faces with twenty AgLa6Ag6 cuboctahedra. There are six shorter (2.77 Å) and six longer (3.31 Å) Ag–Ag bond lengths. In the second Ag site, Ag is bonded to six equivalent La and six equivalent Ag atoms to form AgLa6Ag6 cuboctahedra that share corners with twelve equivalent AgLa3Ag9 cuboctahedra, edges with six equivalent AgLa6Ag6 cuboctahedra, and faces with twenty AgAg12 cuboctahedra. All Ag–Ag bond lengths are 2.95 Å. In the third Ag site, Ag is bonded to three equivalent La and nine Ag atoms to form distorted AgLa3Ag9 cuboctahedra that share corners with eighteen AgAg12 cuboctahedra, edges with six equivalent AgLa3Ag9 cuboctahedra, and faces with eighteen AgAg12 cuboctahedra. There are a spread of Ag–Ag bond distances ranging from 2.77–3.32 Å. In the fourth Ag site, Ag is bonded in a distorted single-bond geometry to one La and fifteen Ag atoms. All Ag–Ag bond lengths are 3.41 Å.
La3Ag is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. La is bonded in a distorted square co-planar geometry to four equivalent Ag atoms. All La–Ag bond lengths are 3.55 Å. Ag is bonded to twelve equivalent La atoms to form a mixture of face and corner-sharing AgLa12 cuboctahedra.