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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on CeGe2 by Materials Project

CeGe2 is hexagonal omega structure-like structured and crystallizes in the orthorhombic Imma space group. The structure is three-dimensional. Ce is bonded to twelve Ge atoms to form a mixture of edge and face-sharing CeGe12 cuboctahedra. There are a spread of Ce–Ge bond distances ranging from 3.20–3.41 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to six equivalent Ce and three Ge atoms. There are two shorter (2.51 Å) and one longer (2.56 Å) Ge–Ge bond lengths. In the second Ge site, Ge is bonded in a 9-coordinate geometry to six equivalent Ce and three Ge atoms. Both Ge–Ge bond lengths are 2.50 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ce5Ge3 by Materials Project

Ce5Ge3 crystallizes in the hexagonal P6_3/mcm space group. The structure is three-dimensional. there are two inequivalent Ce sites. In the first Ce site, Ce is bonded in a 6-coordinate geometry to six equivalent Ge atoms. All Ce–Ge bond lengths are 3.19 Å. In the second Ce site, Ce is bonded in a 5-coordinate geometry to five equivalent Ge atoms. There are a spread of Ce–Ge bond distances ranging from 3.00–3.27 Å. Ge is bonded in a 9-coordinate geometry to nine Ce atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CeGe5 by Materials Project

CeGe5 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. Ce is bonded in a 10-coordinate geometry to fourteen Ge atoms. There are a spread of Ce–Ge bond distances ranging from 3.09–3.51 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 8-coordinate geometry to three equivalent Ce and five Ge atoms. There are a spread of Ge–Ge bond distances ranging from 2.58–2.91 Å. In the second Ge site, Ge is bonded in a 2-coordinate geometry to two equivalent Ce and eight equivalent Ge atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ce4Ge7 by Materials Project

Ce4Ge7 crystallizes in the orthorhombic C222_1 space group. The structure is three-dimensional. there are three inequivalent Ce sites. In the first Ce site, Ce is bonded in a 9-coordinate geometry to eleven Ge atoms. There are a spread of Ce–Ge bond distances ranging from 3.07–3.71 Å. In the second Ce site, Ce is bonded in a 10-coordinate geometry to ten Ge atoms. There are a spread of Ce–Ge bond distances ranging from 3.08–3.31 Å. In the third Ce site, Ce is bonded in a 10-coordinate geometry to ten Ge atoms. There are a spread of Ce–Ge bond distances ranging from 3.04–3.27 Å. There are four inequivalent Ge sites. In the first Ge site, Ge is bonded in a 8-coordinate geometry to six Ce and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.61 Å. In the second Ge site, Ge is bonded in a 9-coordinate geometry to six Ce and three Ge atoms. There are one shorter (2.59 Å) and one longer (2.62 Å) Ge–Ge bond lengths. In the third Ge site, Ge is bonded in a 4-coordinate geometry to six Ce and three Ge atoms. There are one shorter (2.69 Å) and one longer (3.00 Å) Ge–Ge bond lengths. In the fourth Ge site, Ge is bonded in a 9-coordinate geometry to six Ce and three Ge atoms. The Ge–Ge bond length is 2.52 Å.

36 MATERIALS SCIENCE↗