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6 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Ho2Ge2Rh by Materials Project

Ho2RhGe2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded in a 8-coordinate geometry to two equivalent Rh and six Ge atoms. Both Ho–Rh bond lengths are 3.05 Å. There are a spread of Ho–Ge bond distances ranging from 2.99–3.09 Å. In the second Ho site, Ho is bonded in a 11-coordinate geometry to four equivalent Rh and seven Ge atoms. There are a spread of Ho–Rh bond distances ranging from 3.01–3.25 Å. There are a spread of Ho–Ge bond distances ranging from 2.98–3.30 Å. Rh is bonded in a 10-coordinate geometry to six Ho and four Ge atoms. There are a spread of Rh–Ge bond distances ranging from 2.50–2.72 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to seven Ho, one Rh, and one Ge atom. The Ge–Ge bond length is 2.63 Å. In the second Ge site, Ge is bonded in a 10-coordinate geometry to six Ho, three equivalent Rh, and one Ge atom. The Ge–Ge bond length is 2.69 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho2Ge5Rh3 by Materials Project

Ho2Rh3Ge5 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Ho is bonded in a 8-coordinate geometry to six Rh and ten Ge atoms. There are a spread of Ho–Rh bond distances ranging from 3.17–3.58 Å. There are a spread of Ho–Ge bond distances ranging from 3.04–3.40 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 9-coordinate geometry to four equivalent Ho and five Ge atoms. There are a spread of Rh–Ge bond distances ranging from 2.41–2.57 Å. In the second Rh site, Rh is bonded in a 6-coordinate geometry to four equivalent Ho and six Ge atoms. There are a spread of Rh–Ge bond distances ranging from 2.50–2.75 Å. There are four inequivalent Ge sites. In the first Ge site, Ge is bonded in a 4-coordinate geometry to four equivalent Ho and four equivalent Rh atoms. In the second Ge site, Ge is bonded in a 5-coordinate geometry to four equivalent Ho, three Rh, and four Ge atoms. There are two shorter (2.69 Å) and two longer (2.95 Å) Ge–Ge bond lengths. In the third Ge site, Ge is bonded in a 2-coordinate geometry to four equivalent Ho, three Rh, and four Ge atoms. Both Ge–Ge bond lengths are 2.69 Å. In the fourth Ge site, Ge is bonded in a 9-coordinate geometry to four equivalent Ho, three Rh, and two Ge atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HoGeRh by Materials Project

HoRhGe crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Ho is bonded in a 11-coordinate geometry to six equivalent Rh and five equivalent Ge atoms. There are a spread of Ho–Rh bond distances ranging from 3.01–3.34 Å. There are a spread of Ho–Ge bond distances ranging from 3.00–3.02 Å. Rh is bonded in a 10-coordinate geometry to six equivalent Ho and four equivalent Ge atoms. There are a spread of Rh–Ge bond distances ranging from 2.56–2.64 Å. Ge is bonded in a 9-coordinate geometry to five equivalent Ho and four equivalent Rh atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho(GeRh)2 by Materials Project

Ho(RhGe)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Ho is bonded in a 8-coordinate geometry to eight equivalent Rh and eight equivalent Ge atoms. All Ho–Rh bond lengths are 3.31 Å. All Ho–Ge bond lengths are 3.19 Å. Rh is bonded to four equivalent Ho and four equivalent Ge atoms to form a mixture of distorted corner, edge, and face-sharing RhHo4Ge4 tetrahedra. All Rh–Ge bond lengths are 2.46 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Ho, four equivalent Rh, and one Ge atom. The Ge–Ge bond length is 2.51 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho3Ge13Rh4 by Materials Project

Ho3Rh4Ge13 crystallizes in the cubic Pm-3n space group. The structure is three-dimensional. Ho is bonded in a 8-coordinate geometry to four equivalent Rh and twelve equivalent Ge atoms. All Ho–Rh bond lengths are 3.20 Å. There are eight shorter (3.14 Å) and four longer (3.23 Å) Ho–Ge bond lengths. Rh is bonded in a 6-coordinate geometry to three equivalent Ho and six equivalent Ge atoms. All Rh–Ge bond lengths are 2.50 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 2-coordinate geometry to three equivalent Ho, two equivalent Rh, and one Ge atom. The Ge–Ge bond length is 3.11 Å. In the second Ge site, Ge is bonded in a cuboctahedral geometry to twelve equivalent Ge atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho(Ge2Rh3)2 by Materials Project

Ho(Rh3Ge2)2 crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Ho is bonded to six equivalent Rh and six equivalent Ge atoms to form face-sharing HoGe6Rh6 cuboctahedra. All Ho–Rh bond lengths are 3.14 Å. All Ho–Ge bond lengths are 3.12 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 5-coordinate geometry to five Ge atoms. There are one shorter (2.51 Å) and four longer (2.56 Å) Rh–Ge bond lengths. In the second Rh site, Rh is bonded in a 6-coordinate geometry to two equivalent Ho and four Ge atoms. There are two shorter (2.47 Å) and two longer (2.56 Å) Rh–Ge bond lengths. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 8-coordinate geometry to two equivalent Ho and six Rh atoms. In the second Ge site, Ge is bonded in a 9-coordinate geometry to nine Rh atoms.

36 MATERIALS SCIENCE↗