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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on La(Cd10Ni)2 by Materials Project

LaNi2Cd20 crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. La is bonded in a 4-coordinate geometry to sixteen Cd atoms. There are four shorter (3.43 Å) and twelve longer (3.48 Å) La–Cd bond lengths. Ni is bonded to twelve Cd atoms to form NiCd12 cuboctahedra that share corners with six equivalent NiCd12 cuboctahedra, edges with eighteen equivalent CdLaCd10Ni cuboctahedra, and faces with six equivalent CdLaCd10Ni cuboctahedra. There are six shorter (2.81 Å) and six longer (3.08 Å) Ni–Cd bond lengths. There are three inequivalent Cd sites. In the first Cd site, Cd is bonded in a 2-coordinate geometry to two equivalent Ni and ten Cd atoms. There are a spread of Cd–Cd bond distances ranging from 2.98–3.12 Å. In the second Cd site, Cd is bonded to one La, one Ni, and ten Cd atoms to form distorted CdLaCd10Ni cuboctahedra that share corners with fifteen equivalent CdLaCd10Ni cuboctahedra, edges with two equivalent CdLaCd10Ni cuboctahedra, edges with three equivalent NiCd12 cuboctahedra, a faceface with one NiCd12 cuboctahedra, and faces with fifteen equivalent CdLaCd10Ni cuboctahedra. There are a spread of Cd–Cd bond distances ranging from 2.93–3.37 Å. In the third Cd site, Cd is bonded in a distorted linear geometry to two equivalent La and twelve equivalent Cd atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on La4CdNi by Materials Project

La4NiCd crystallizes in the cubic F-43m 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 Ni and three equivalent Cd atoms. All La–Ni bond lengths are 2.93 Å. All La–Cd bond lengths are 3.63 Å. In the second La site, La is bonded in a distorted bent 150 degrees geometry to two equivalent Ni and two equivalent Cd atoms. Both La–Ni bond lengths are 2.92 Å. Both La–Cd bond lengths are 3.65 Å. In the third La site, La is bonded in a 4-coordinate geometry to two equivalent Ni and two equivalent Cd atoms. Both La–Ni bond lengths are 3.64 Å. Both La–Cd bond lengths are 3.44 Å. Ni is bonded in a 6-coordinate geometry to nine La atoms. Cd is bonded to nine La and three equivalent Cd atoms to form a mixture of face and corner-sharing CdLa9Cd3 cuboctahedra. All Cd–Cd bond lengths are 3.19 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on La2CdNi2 by Materials Project

La2Ni2Cd crystallizes in the orthorhombic Cmmm space group. The structure is three-dimensional. La is bonded in a 10-coordinate geometry to six equivalent Ni and four equivalent Cd atoms. There are four shorter (2.96 Å) and two longer (3.06 Å) La–Ni bond lengths. All La–Cd bond lengths are 3.47 Å. Ni is bonded in a 9-coordinate geometry to six equivalent La, two equivalent Ni, and one Cd atom. Both Ni–Ni bond lengths are 2.47 Å. The Ni–Cd bond length is 3.01 Å. Cd is bonded in a distorted q6 geometry to eight equivalent La and two equivalent Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on La23Cd4Ni7 by Materials Project

La23Ni7Cd4 crystallizes in the hexagonal P6_3mc space group. The structure is three-dimensional. there are nine inequivalent La sites. In the first La site, La is bonded in a distorted bent 150 degrees geometry to two equivalent Ni and two Cd atoms. Both La–Ni bond lengths are 2.90 Å. There are one shorter (3.67 Å) and one longer (3.72 Å) La–Cd bond lengths. In the second La site, La is bonded in a distorted T-shaped geometry to three Ni atoms. There are two shorter (2.98 Å) and one longer (3.04 Å) La–Ni bond lengths. In the third La site, La is bonded in a distorted bent 150 degrees geometry to two Ni and two equivalent Cd atoms. There are one shorter (2.89 Å) and one longer (2.92 Å) La–Ni bond lengths. Both La–Cd bond lengths are 3.68 Å. In the fourth La site, La is bonded in a 3-coordinate geometry to three Ni and three Cd atoms. There are two shorter (2.93 Å) and one longer (2.94 Å) La–Ni bond lengths. There are two shorter (3.60 Å) and one longer (3.65 Å) La–Cd bond lengths. In the fifth La site, La is bonded in a 1-coordinate geometry to two equivalent Ni and one Cd atom. Both La–Ni bond lengths are 3.67 Å. The La–Cd bond length is 3.47 Å. In the sixth La site, La is bonded in a 3-coordinate geometry to three equivalent Ni atoms. All La–Ni bond lengths are 2.96 Å. In the seventh La site, La is bonded in a 2-coordinate geometry to four Ni and one Cd atom. There are two shorter (2.87 Å) and two longer (3.65 Å) La–Ni bond lengths. The La–Cd bond length is 3.47 Å. In the eighth La site, La is bonded in a 4-coordinate geometry to two Ni and two equivalent Cd atoms. There are one shorter (3.51 Å) and one longer (3.65 Å) La–Ni bond lengths. Both La–Cd bond lengths are 3.45 Å. In the ninth La site, La is bonded in a 3-coordinate geometry to three equivalent Ni and three equivalent Cd atoms. All La–Ni bond lengths are 2.91 Å. All La–Cd bond lengths are 3.63 Å. There are three inequivalent Ni sites. In the first Ni site, Ni is bonded in a 6-coordinate geometry to nine La atoms. In the second Ni site, Ni is bonded in a 6-coordinate geometry to eight La atoms. In the third Ni site, Ni is bonded in a 6-coordinate geometry to nine La atoms. There are two inequivalent Cd sites. In the first Cd site, Cd is bonded to nine La and three equivalent Cd atoms to form face-sharing CdLa9Cd3 cuboctahedra. All Cd–Cd bond lengths are 3.19 Å. In the second Cd site, Cd is bonded to nine La and three Cd atoms to form a mixture of distorted face and corner-sharing CdLa9Cd3 cuboctahedra. Both Cd–Cd bond lengths are 3.21 Å.

36 MATERIALS SCIENCE↗