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6 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Ho2NiGe6 by Materials Project

Ho2NiGe6 crystallizes in the orthorhombic Amm2 space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded in a 4-coordinate geometry to four equivalent Ni and ten Ge atoms. All Ho–Ni bond lengths are 3.10 Å. There are a spread of Ho–Ge bond distances ranging from 3.04–3.37 Å. In the second Ho site, Ho is bonded in a 10-coordinate geometry to ten Ge atoms. There are a spread of Ho–Ge bond distances ranging from 2.96–3.17 Å. Ni is bonded in a 9-coordinate geometry to four equivalent Ho and five Ge atoms. There are a spread of Ni–Ge bond distances ranging from 2.30–2.37 Å. There are six inequivalent Ge sites. In the first Ge site, Ge is bonded in a 2-coordinate geometry to two equivalent Ho, two equivalent Ni, and five Ge atoms. There are one shorter (2.50 Å) and four longer (2.84 Å) Ge–Ge bond lengths. In the second Ge site, Ge is bonded in a 2-coordinate geometry to two equivalent Ho, two equivalent Ni, and five Ge atoms. The Ge–Ge bond length is 2.51 Å. In the third Ge site, Ge is bonded in a 7-coordinate geometry to two equivalent Ho and five Ge atoms. All Ge–Ge bond lengths are 2.84 Å. In the fourth Ge site, Ge is bonded in a 7-coordinate geometry to two equivalent Ho and five Ge atoms. In the fifth Ge site, Ge is bonded in a 8-coordinate geometry to six Ho and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.57 Å. In the sixth Ge site, Ge is bonded in a 1-coordinate geometry to six Ho, one Ni, and two equivalent Ge atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho(NiGe)2 by Materials Project

HoNi2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Ho is bonded in a 8-coordinate geometry to eight equivalent Ni and eight equivalent Ge atoms. All Ho–Ni bond lengths are 3.18 Å. All Ho–Ge bond lengths are 3.13 Å. Ni is bonded in a 4-coordinate geometry to four equivalent Ho and four equivalent Ge atoms. All Ni–Ge bond lengths are 2.35 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Ho, four equivalent Ni, and one Ge atom. The Ge–Ge bond length is 2.51 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HoNiGe by Materials Project

HoNiGe crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Ho is bonded in a 12-coordinate geometry to six equivalent Ni and six equivalent Ge atoms. There are a spread of Ho–Ni bond distances ranging from 2.92–3.15 Å. There are a spread of Ho–Ge bond distances ranging from 2.94–3.07 Å. Ni is bonded in a 10-coordinate geometry to six equivalent Ho and four equivalent Ge atoms. There are a spread of Ni–Ge bond distances ranging from 2.45–2.71 Å. Ge is bonded in a 10-coordinate geometry to six equivalent Ho and four equivalent Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HoNiGe2 by Materials Project

HoNiGe2 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Ho is bonded in a 8-coordinate geometry to four equivalent Ni and ten Ge atoms. All Ho–Ni bond lengths are 3.14 Å. There are a spread of Ho–Ge bond distances ranging from 3.12–3.23 Å. Ni is bonded in a 9-coordinate geometry to four equivalent Ho and five Ge atoms. There are a spread of Ni–Ge bond distances ranging from 2.29–2.41 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 4-coordinate geometry to four equivalent Ho and four equivalent Ni atoms. In the second Ge site, Ge is bonded in a 1-coordinate geometry to six equivalent Ho, one Ni, and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.50 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho3NiGe2 by Materials Project

Ho3NiGe2 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are three inequivalent Ho sites. In the first Ho site, Ho is bonded in a 8-coordinate geometry to three equivalent Ni and five Ge atoms. There are one shorter (2.95 Å) and two longer (2.97 Å) Ho–Ni bond lengths. There are three shorter (2.97 Å) and two longer (3.06 Å) Ho–Ge bond lengths. In the second Ho site, Ho is bonded in a 6-coordinate geometry to one Ni and five Ge atoms. The Ho–Ni bond length is 2.83 Å. There are a spread of Ho–Ge bond distances ranging from 2.97–3.12 Å. In the third Ho site, Ho is bonded in a 7-coordinate geometry to two equivalent Ni and five Ge atoms. Both Ho–Ni bond lengths are 2.80 Å. There are a spread of Ho–Ge bond distances ranging from 2.98–3.59 Å. Ni is bonded in a 9-coordinate geometry to six Ho and three Ge atoms. There are one shorter (2.49 Å) and two longer (2.50 Å) Ni–Ge bond lengths. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to seven Ho and two equivalent Ni atoms. In the second Ge site, Ge is bonded in a 9-coordinate geometry to eight Ho and one Ni atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HoNiGe by Materials Project

HoNiGe crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Ho is bonded in a 12-coordinate geometry to six equivalent Ni and six equivalent Ge atoms. There are a spread of Ho–Ni bond distances ranging from 2.95–3.21 Å. There are a spread of Ho–Ge bond distances ranging from 2.97–3.16 Å. Ni is bonded in a 10-coordinate geometry to six equivalent Ho, one Ni, and three equivalent Ge atoms. The Ni–Ni bond length is 2.68 Å. There are two shorter (2.40 Å) and one longer (2.64 Å) Ni–Ge bond lengths. Ge is bonded in a 10-coordinate geometry to six equivalent Ho, three equivalent Ni, and one Ge atom. The Ge–Ge bond length is 2.72 Å.

36 MATERIALS SCIENCE↗