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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Ce3(GeRh)2 by Materials Project

Ce3Rh2Ge2 crystallizes in the orthorhombic Pbcm space group. The structure is three-dimensional. there are two inequivalent Ce sites. In the first Ce site, Ce is bonded in a 9-coordinate geometry to four equivalent Rh and five Ge atoms. There are two shorter (3.08 Å) and two longer (3.10 Å) Ce–Rh bond lengths. There are a spread of Ce–Ge bond distances ranging from 3.03–3.34 Å. In the second Ce site, Ce is bonded in a 8-coordinate geometry to four equivalent Rh and five Ge atoms. There are a spread of Ce–Rh bond distances ranging from 2.86–3.22 Å. There are a spread of Ce–Ge bond distances ranging from 3.10–3.40 Å. Rh is bonded in a 9-coordinate geometry to six Ce and three Ge atoms. There are a spread of Rh–Ge bond distances ranging from 2.56–2.68 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 12-coordinate geometry to eight Ce and four equivalent Rh atoms. In the second Ge site, Ge is bonded in a 9-coordinate geometry to seven Ce and two equivalent Rh atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CeGeRh by Materials Project

CeRhGe crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Ce is bonded in a 1-coordinate geometry to six equivalent Rh and six equivalent Ge atoms. There are a spread of Ce–Rh bond distances ranging from 2.94–3.42 Å. There are a spread of Ce–Ge bond distances ranging from 3.10–3.21 Å. Rh is bonded in a 10-coordinate geometry to six equivalent Ce and four equivalent Ge atoms. There are a spread of Rh–Ge bond distances ranging from 2.58–2.76 Å. Ge is bonded in a 10-coordinate geometry to six equivalent Ce and four equivalent Rh atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ce5Ge2Rh by Materials Project

Ce5RhGe2 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are four inequivalent Ce sites. In the first Ce site, Ce is bonded in a 5-coordinate geometry to two equivalent Rh and three equivalent Ge atoms. There are one shorter (2.80 Å) and one longer (3.03 Å) Ce–Rh bond lengths. There are a spread of Ce–Ge bond distances ranging from 3.19–3.37 Å. In the second Ce site, Ce is bonded to one Rh and four equivalent Ge atoms to form distorted edge-sharing CeGe4Rh square pyramids. The Ce–Rh bond length is 3.13 Å. All Ce–Ge bond lengths are 3.07 Å. In the third Ce site, Ce is bonded in a 5-coordinate geometry to one Rh and four equivalent Ge atoms. The Ce–Rh bond length is 2.79 Å. There are two shorter (3.13 Å) and two longer (3.14 Å) Ce–Ge bond lengths. In the fourth Ce site, Ce is bonded in a 5-coordinate geometry to one Rh and four equivalent Ge atoms. The Ce–Rh bond length is 2.85 Å. There are two shorter (3.11 Å) and two longer (3.12 Å) Ce–Ge bond lengths. Rh is bonded in a 7-coordinate geometry to seven Ce atoms. Ge is bonded in a 9-coordinate geometry to nine Ce atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ce(GeRh)2 by Materials Project

CeRh2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Ce is bonded in a 8-coordinate geometry to eight equivalent Rh and eight equivalent Ge atoms. All Ce–Rh bond lengths are 3.35 Å. All Ce–Ge bond lengths are 3.22 Å. Rh is bonded to four equivalent Ce and four equivalent Ge atoms to form a mixture of distorted edge, face, and corner-sharing RhCe4Ge4 tetrahedra. All Rh–Ge bond lengths are 2.48 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Ce, four equivalent Rh, and one Ge atom. The Ge–Ge bond length is 2.57 Å.

36 MATERIALS SCIENCE↗