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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on CeNiGe by Materials Project

CeNiGe crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Ce is bonded in a 12-coordinate geometry to six equivalent Ni and six equivalent Ge atoms. There are a spread of Ce–Ni bond distances ranging from 2.93–3.24 Å. There are a spread of Ce–Ge bond distances ranging from 3.00–3.13 Å. Ni is bonded in a 10-coordinate geometry to six equivalent Ce and four equivalent Ge atoms. There are a spread of Ni–Ge bond distances ranging from 2.48–2.88 Å. Ge is bonded in a 10-coordinate geometry to six equivalent Ce and four equivalent Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ce(NiGe)2 by Materials Project

CeNi2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Ce is bonded in a 8-coordinate geometry to eight equivalent Ni and eight equivalent Ge atoms. All Ce–Ni bond lengths are 3.20 Å. All Ce–Ge bond lengths are 3.19 Å. Ni is bonded in a 4-coordinate geometry to four equivalent Ce and four equivalent Ge atoms. All Ni–Ge bond lengths are 2.38 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Ce, four equivalent Ni, and one Ge atom. The Ge–Ge bond length is 2.54 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CeNiGe2 by Materials Project

CeNiGe2 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Ce is bonded in a 10-coordinate geometry to four equivalent Ni and ten Ge atoms. All Ce–Ni bond lengths are 3.22 Å. There are a spread of Ce–Ge bond distances ranging from 3.16–3.27 Å. Ni is bonded in a 5-coordinate geometry to four equivalent Ce and five Ge atoms. There are one shorter (2.32 Å) and four longer (2.40 Å) Ni–Ge bond lengths. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 1-coordinate geometry to six equivalent Ce, one Ni, and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.53 Å. In the second Ge site, Ge is bonded in a 8-coordinate geometry to four equivalent Ce and four equivalent Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CeNi9Ge4 by Materials Project

CeNi9Ge4 crystallizes in the tetragonal I4/mcm space group. The structure is three-dimensional. Ce is bonded in a 8-coordinate geometry to sixteen Ni and eight equivalent Ge atoms. There are eight shorter (3.25 Å) and eight longer (3.38 Å) Ce–Ni bond lengths. All Ce–Ge bond lengths are 3.29 Å. There are three inequivalent Ni sites. In the first Ni site, Ni is bonded in a 4-coordinate geometry to two equivalent Ce, six Ni, and four equivalent Ge atoms. There are a spread of Ni–Ni bond distances ranging from 2.53–2.76 Å. There are two shorter (2.37 Å) and two longer (2.51 Å) Ni–Ge bond lengths. In the second Ni site, Ni is bonded to two equivalent Ce, six Ni, and four equivalent Ge atoms to form a mixture of distorted corner and face-sharing NiCe2Ni6Ge4 cuboctahedra. There are a spread of Ni–Ni bond distances ranging from 2.40–2.59 Å. There are two shorter (2.51 Å) and two longer (2.58 Å) Ni–Ge bond lengths. In the third Ni site, Ni is bonded to eight Ni and four equivalent Ge atoms to form a mixture of corner and face-sharing NiNi8Ge4 cuboctahedra. All Ni–Ge bond lengths are 2.44 Å. Ge is bonded in a 12-coordinate geometry to two equivalent Ce and nine Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CeNiGe by Materials Project

CeNiGe is hexagonal omega structure-derived structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Ce is bonded to six equivalent Ni and six equivalent Ge atoms to form a mixture of edge and face-sharing CeNi6Ge6 cuboctahedra. All Ce–Ni bond lengths are 3.10 Å. All Ce–Ge bond lengths are 3.10 Å. Ni is bonded in a 9-coordinate geometry to six equivalent Ce and three equivalent Ge atoms. All Ni–Ge bond lengths are 2.43 Å. Ge is bonded in a 9-coordinate geometry to six equivalent Ce and three equivalent Ni atoms.

36 MATERIALS SCIENCE↗