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MgLa is Tetraauricupride structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Mg is bonded in a body-centered cubic geometry to eight equivalent La atoms. All Mg–La bond lengths are 3.43 Å. La is bonded in a body-centered cubic geometry to eight equivalent Mg atoms.
Mg2La is Cubic Laves structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Mg is bonded to six equivalent Mg and six equivalent La atoms to form a mixture of edge, face, and corner-sharing MgLa6Mg6 cuboctahedra. All Mg–Mg bond lengths are 3.11 Å. All Mg–La bond lengths are 3.64 Å. La is bonded in a 12-coordinate geometry to twelve equivalent Mg and four equivalent La atoms. All La–La bond lengths are 3.80 Å.
LaMg3 is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. there are two inequivalent Mg sites. In the first Mg site, Mg is bonded in a body-centered cubic geometry to four equivalent Mg and four equivalent La atoms. All Mg–Mg bond lengths are 3.25 Å. All Mg–La bond lengths are 3.25 Å. In the second Mg site, Mg is bonded in a 8-coordinate geometry to eight equivalent Mg and six equivalent La atoms. All Mg–La bond lengths are 3.75 Å. La is bonded in a distorted body-centered cubic geometry to fourteen Mg atoms.
Mg2La crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. there are two inequivalent Mg sites. In the first Mg site, Mg is bonded in a 8-coordinate geometry to four Mg and four equivalent La atoms. There are two shorter (3.16 Å) and two longer (3.24 Å) Mg–Mg bond lengths. All Mg–La bond lengths are 3.42 Å. In the second Mg site, Mg is bonded to six equivalent Mg and six equivalent La atoms to form MgLa6Mg6 cuboctahedra that share corners with eighteen equivalent LaLa3Mg9 cuboctahedra, edges with six equivalent MgLa6Mg6 cuboctahedra, faces with two equivalent MgLa6Mg6 cuboctahedra, and faces with six equivalent LaLa3Mg9 cuboctahedra. All Mg–La bond lengths are 3.51 Å. La is bonded to nine Mg and three equivalent La atoms to form LaLa3Mg9 cuboctahedra that share corners with nine equivalent MgLa6Mg6 cuboctahedra, corners with nine equivalent LaLa3Mg9 cuboctahedra, edges with six equivalent LaLa3Mg9 cuboctahedra, faces with three equivalent MgLa6Mg6 cuboctahedra, and faces with five equivalent LaLa3Mg9 cuboctahedra. All La–La bond lengths are 3.51 Å.
Mg2La is Hexagonal Laves structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent Mg sites. In the first Mg site, Mg is bonded to six equivalent Mg and six equivalent La atoms to form a mixture of corner, edge, and face-sharing MgLa6Mg6 cuboctahedra. All Mg–Mg bond lengths are 3.08 Å. All Mg–La bond lengths are 3.71 Å. In the second Mg site, Mg is bonded to six Mg and six equivalent La atoms to form a mixture of corner, edge, and face-sharing MgLa6Mg6 cuboctahedra. There are two shorter (3.09 Å) and two longer (3.19 Å) Mg–Mg bond lengths. There are four shorter (3.55 Å) and two longer (3.72 Å) Mg–La bond lengths. La is bonded in a 6-coordinate geometry to twelve Mg and one La atom. The La–La bond length is 3.33 Å.
MgLa5 crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. Mg is bonded to twelve La atoms to form MgLa12 cuboctahedra that share corners with eighteen equivalent LaLa9Mg3 cuboctahedra, edges with six equivalent MgLa12 cuboctahedra, edges with twelve equivalent LaLa10Mg2 cuboctahedra, faces with two equivalent MgLa12 cuboctahedra, and faces with eighteen LaLa9Mg3 cuboctahedra. There are six shorter (3.58 Å) and six longer (3.67 Å) Mg–La bond lengths. There are two inequivalent La sites. In the first La site, La is bonded to three equivalent Mg and nine La atoms to form LaLa9Mg3 cuboctahedra that share corners with nine equivalent MgLa12 cuboctahedra, corners with nine equivalent LaLa9Mg3 cuboctahedra, edges with eighteen LaLa9Mg3 cuboctahedra, faces with three equivalent MgLa12 cuboctahedra, and faces with seventeen LaLa9Mg3 cuboctahedra. All La–La bond lengths are 3.67 Å. In the second La site, La is bonded to two equivalent Mg and ten La atoms to form distorted LaLa10Mg2 cuboctahedra that share corners with eighteen equivalent LaLa10Mg2 cuboctahedra, edges with four equivalent MgLa12 cuboctahedra, edges with fourteen LaLa9Mg3 cuboctahedra, faces with four equivalent MgLa12 cuboctahedra, and faces with sixteen LaLa9Mg3 cuboctahedra. There are two shorter (3.50 Å) and four longer (3.76 Å) La–La bond lengths.
MgLa3 crystallizes in the orthorhombic Imm2 space group. The structure is three-dimensional. Mg is bonded in a 10-coordinate geometry to ten La atoms. There are a spread of Mg–La bond distances ranging from 3.45–3.77 Å. There are two inequivalent La sites. In the first La site, La is bonded to four equivalent Mg and eight La atoms to form a mixture of distorted edge, corner, and face-sharing LaLa8Mg4 cuboctahedra. There are a spread of La–La bond distances ranging from 3.53–3.73 Å. In the second La site, La is bonded to three equivalent Mg and nine La atoms to form distorted LaLa9Mg3 cuboctahedra that share corners with eighteen equivalent LaLa9Mg3 cuboctahedra, edges with twelve LaLa8Mg4 cuboctahedra, and faces with fourteen LaLa8Mg4 cuboctahedra. There are four shorter (3.66 Å) and two longer (3.71 Å) La–La bond lengths.
La2Mg is beta-derived structured and crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Mg is bonded to two equivalent Mg and ten equivalent La atoms to form distorted MgLa10Mg2 cuboctahedra that share corners with eighteen equivalent LaLa7Mg5 cuboctahedra, edges with eight equivalent LaLa7Mg5 cuboctahedra, edges with ten equivalent MgLa10Mg2 cuboctahedra, faces with six equivalent MgLa10Mg2 cuboctahedra, and faces with fourteen equivalent LaLa7Mg5 cuboctahedra. Both Mg–Mg bond lengths are 3.46 Å. There are a spread of Mg–La bond distances ranging from 3.46–3.78 Å. La is bonded to five equivalent Mg and seven equivalent La atoms to form distorted LaLa7Mg5 cuboctahedra that share corners with nine equivalent MgLa10Mg2 cuboctahedra, corners with nine equivalent LaLa7Mg5 cuboctahedra, edges with four equivalent MgLa10Mg2 cuboctahedra, edges with fourteen equivalent LaLa7Mg5 cuboctahedra, faces with seven equivalent MgLa10Mg2 cuboctahedra, and faces with thirteen equivalent LaLa7Mg5 cuboctahedra. There are a spread of La–La bond distances ranging from 3.35–3.77 Å.
MgLa crystallizes in the orthorhombic Amm2 space group. The structure is three-dimensional. there are three inequivalent Mg sites. In the first Mg site, Mg is bonded in a body-centered cubic geometry to eight La atoms. There are a spread of Mg–La bond distances ranging from 3.35–3.51 Å. In the second Mg site, Mg is bonded in a 10-coordinate geometry to two equivalent Mg and eight La atoms. Both Mg–Mg bond lengths are 3.13 Å. There are a spread of Mg–La bond distances ranging from 3.47–3.69 Å. In the third Mg site, Mg is bonded in a body-centered cubic geometry to two equivalent Mg and six La atoms. There are four shorter (3.43 Å) and two longer (3.45 Å) Mg–La bond lengths. There are three inequivalent La sites. In the first La site, La is bonded in a 12-coordinate geometry to eight Mg and two equivalent La atoms. Both La–La bond lengths are 3.40 Å. In the second La site, La is bonded in a 8-coordinate geometry to six Mg and two equivalent La atoms. In the third La site, La is bonded in a distorted body-centered cubic geometry to eight Mg atoms.
MgLa3 crystallizes in the orthorhombic Pmm2 space group. The structure is three-dimensional. Mg is bonded in a distorted q6 geometry to ten La atoms. There are a spread of Mg–La bond distances ranging from 3.50–3.70 Å. There are three inequivalent La sites. In the first La site, La is bonded to two equivalent Mg and ten La atoms to form a mixture of edge, face, and corner-sharing LaLa10Mg2 cuboctahedra. There are a spread of La–La bond distances ranging from 3.42–3.79 Å. In the second La site, La is bonded to four equivalent Mg and eight La atoms to form a mixture of distorted edge, face, and corner-sharing LaLa8Mg4 cuboctahedra. There are two shorter (3.70 Å) and two longer (3.79 Å) La–La bond lengths. In the third La site, La is bonded to four equivalent Mg and eight La atoms to form distorted LaLa8Mg4 cuboctahedra that share corners with ten equivalent LaLa8Mg4 cuboctahedra, edges with fourteen LaLa10Mg2 cuboctahedra, and faces with sixteen LaLa10Mg2 cuboctahedra. Both La–La bond lengths are 3.70 Å.
Mg2La crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent Mg sites. In the first Mg site, Mg is bonded in a 12-coordinate geometry to nine Mg and three equivalent La atoms. There are a spread of Mg–Mg bond distances ranging from 3.21–3.55 Å. There are two shorter (3.48 Å) and one longer (3.65 Å) Mg–La bond lengths. In the second Mg site, Mg is bonded in a 12-coordinate geometry to eight Mg and four equivalent La atoms. There are one shorter (3.10 Å) and two longer (3.43 Å) Mg–Mg bond lengths. There are two shorter (3.43 Å) and two longer (3.58 Å) Mg–La bond lengths. La is bonded to seven Mg and five equivalent La atoms to form a mixture of face, edge, and corner-sharing LaLa5Mg7 cuboctahedra. There are a spread of La–La bond distances ranging from 3.39–3.45 Å.
LaMg3 is Uranium Silicide structured and crystallizes in the orthorhombic Pmm2 space group. The structure is three-dimensional. there are three inequivalent Mg sites. In the first Mg site, Mg is bonded to eight Mg and four equivalent La atoms to form distorted MgLa4Mg8 cuboctahedra that share corners with twelve equivalent MgLa4Mg8 cuboctahedra, edges with eight equivalent LaMg12 cuboctahedra, edges with sixteen MgLa4Mg8 cuboctahedra, faces with four equivalent LaMg12 cuboctahedra, and faces with fourteen MgLa4Mg8 cuboctahedra. There are a spread of Mg–Mg bond distances ranging from 3.36–3.46 Å. There are two shorter (3.42 Å) and two longer (3.43 Å) Mg–La bond lengths. In the second Mg site, Mg is bonded to eight Mg and four equivalent La atoms to form distorted MgLa4Mg8 cuboctahedra that share corners with twelve equivalent MgLa4Mg8 cuboctahedra, edges with eight equivalent LaMg12 cuboctahedra, edges with sixteen MgLa4Mg8 cuboctahedra, faces with four equivalent LaMg12 cuboctahedra, and faces with fourteen MgLa4Mg8 cuboctahedra. All Mg–Mg bond lengths are 3.43 Å. All Mg–La bond lengths are 3.36 Å. In the third Mg site, Mg is bonded to eight Mg and four equivalent La atoms to form MgLa4Mg8 cuboctahedra that share corners with twelve equivalent MgLa4Mg8 cuboctahedra, edges with eight equivalent LaMg12 cuboctahedra, edges with sixteen MgLa4Mg8 cuboctahedra, faces with four equivalent LaMg12 cuboctahedra, and faces with fourteen MgLa4Mg8 cuboctahedra. There are two shorter (3.44 Å) and two longer (3.45 Å) Mg–La bond lengths. La is bonded to twelve Mg atoms to form LaMg12 cuboctahedra that share corners with twelve equivalent LaMg12 cuboctahedra, edges with twenty-four MgLa4Mg8 cuboctahedra, faces with six equivalent LaMg12 cuboctahedra, and faces with twelve MgLa4Mg8 cuboctahedra.
MgLa3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Mg is bonded to twelve equivalent La atoms to form MgLa12 cuboctahedra that share corners with twelve equivalent MgLa12 cuboctahedra, edges with twenty-four equivalent LaLa8Mg4 cuboctahedra, faces with six equivalent MgLa12 cuboctahedra, and faces with twelve equivalent LaLa8Mg4 cuboctahedra. All Mg–La bond lengths are 3.62 Å. La is bonded to four equivalent Mg and eight equivalent La atoms to form LaLa8Mg4 cuboctahedra that share corners with twelve equivalent LaLa8Mg4 cuboctahedra, edges with eight equivalent MgLa12 cuboctahedra, edges with sixteen equivalent LaLa8Mg4 cuboctahedra, faces with four equivalent MgLa12 cuboctahedra, and faces with fourteen equivalent LaLa8Mg4 cuboctahedra. All La–La bond lengths are 3.62 Å.
La2Mg crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Mg is bonded to ten La atoms to form distorted MgLa10 cuboctahedra that share corners with four equivalent MgLa10 cuboctahedra, corners with fourteen LaLa7Mg5 cuboctahedra, edges with six equivalent LaLa7Mg5 cuboctahedra, edges with ten equivalent MgLa10 cuboctahedra, faces with four equivalent MgLa10 cuboctahedra, and faces with fourteen LaLa7Mg5 cuboctahedra. There are a spread of Mg–La bond distances ranging from 3.53–3.61 Å. There are two inequivalent La sites. In the first La site, La is bonded to five equivalent Mg and seven La atoms to form LaLa7Mg5 cuboctahedra that share corners with seven equivalent MgLa10 cuboctahedra, corners with twelve equivalent LaLa7Mg5 cuboctahedra, edges with three equivalent MgLa10 cuboctahedra, edges with fourteen LaLa7Mg5 cuboctahedra, faces with seven equivalent MgLa10 cuboctahedra, and faces with twelve LaLa7Mg5 cuboctahedra. There are a spread of La–La bond distances ranging from 3.53–3.60 Å. In the second La site, La is bonded to five equivalent Mg and seven equivalent La atoms to form LaLa7Mg5 cuboctahedra that share corners with seven equivalent MgLa10 cuboctahedra, corners with twelve LaLa7Mg5 cuboctahedra, edges with three equivalent MgLa10 cuboctahedra, edges with fourteen LaLa7Mg5 cuboctahedra, faces with seven equivalent MgLa10 cuboctahedra, and faces with twelve equivalent LaLa7Mg5 cuboctahedra.
LaMg3 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Mg is bonded in a 12-coordinate geometry to six equivalent Mg and four equivalent La atoms. There are four shorter (3.27 Å) and two longer (3.35 Å) Mg–Mg bond lengths. There are two shorter (3.35 Å) and two longer (3.47 Å) Mg–La bond lengths. La is bonded to twelve equivalent Mg atoms to form a mixture of corner and face-sharing LaMg12 cuboctahedra.
LaMg3 is alpha bismuth trifluoride structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Mg sites. In the first Mg site, Mg is bonded in a 10-coordinate geometry to eight equivalent Mg and six equivalent La atoms. All Mg–Mg bond lengths are 3.24 Å. There are two shorter (3.64 Å) and four longer (3.80 Å) Mg–La bond lengths. In the second Mg site, Mg is bonded in a distorted body-centered cubic geometry to four equivalent Mg and four equivalent La atoms. All Mg–La bond lengths are 3.24 Å. La is bonded in a distorted body-centered cubic geometry to fourteen Mg atoms.
LaMg12 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are three inequivalent Mg sites. In the first Mg site, Mg is bonded to ten Mg and two equivalent La atoms to form a mixture of distorted edge, face, and corner-sharing MgLa2Mg10 cuboctahedra. There are a spread of Mg–Mg bond distances ranging from 2.97–3.17 Å. Both Mg–La bond lengths are 3.95 Å. In the second Mg site, Mg is bonded in a distorted q6 geometry to ten Mg and two equivalent La atoms. There are a spread of Mg–Mg bond distances ranging from 3.20–3.30 Å. Both Mg–La bond lengths are 3.73 Å. In the third Mg site, Mg is bonded in a 10-coordinate geometry to nine Mg and one La atom. The Mg–Mg bond length is 3.05 Å. The Mg–La bond length is 3.65 Å. La is bonded in a 12-coordinate geometry to twenty Mg atoms.
MgLa4 is Iron carbide-like structured and crystallizes in the cubic Fd-3m space group. The structure is zero-dimensional and consists of eight MgLa4 clusters. Mg is bonded in a tetrahedral geometry to four equivalent La atoms. All Mg–La bond lengths are 2.99 Å. La is bonded in a distorted single-bond geometry to one Mg atom.