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6 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on HoNiSn by Materials Project

HoNiSn 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 Sn atoms. There are a spread of Ho–Ni bond distances ranging from 2.94–3.25 Å. There are a spread of Ho–Sn bond distances ranging from 3.08–3.20 Å. Ni is bonded in a 10-coordinate geometry to six equivalent Ho and four equivalent Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.59–2.80 Å. Sn is bonded in a 10-coordinate geometry to six equivalent Ho and four equivalent Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HoNiSn4 by Materials Project

HoNiSn4 crystallizes in the orthorhombic Cmmm space group. The structure is three-dimensional. Ho is bonded in a 10-coordinate geometry to ten Sn atoms. There are a spread of Ho–Sn bond distances ranging from 3.21–3.47 Å. Ni is bonded in a distorted body-centered cubic geometry to eight Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.65–2.77 Å. There are five inequivalent Sn sites. In the first Sn site, Sn is bonded in a 4-coordinate geometry to two equivalent Ho, two equivalent Ni, and five Sn atoms. There are one shorter (3.07 Å) and four longer (3.16 Å) Sn–Sn bond lengths. In the second Sn site, Sn is bonded in a 8-coordinate geometry to six equivalent Ho and two equivalent Sn atoms. Both Sn–Sn bond lengths are 3.03 Å. In the third Sn site, Sn is bonded in a 4-coordinate geometry to two equivalent Ho, two equivalent Ni, and five Sn atoms. The Sn–Sn bond length is 3.09 Å. In the fourth Sn site, Sn is bonded in a 4-coordinate geometry to four equivalent Ni and two equivalent Sn atoms. In the fifth Sn site, Sn is bonded in a 4-coordinate geometry to four equivalent Ni and two equivalent Sn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho2Ni2Sn by Materials Project

Ho2Ni2Sn crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. Ho is bonded in a 10-coordinate geometry to six equivalent Ni and four equivalent Sn atoms. There are two shorter (2.79 Å) and four longer (2.87 Å) Ho–Ni bond lengths. All Ho–Sn bond lengths are 3.27 Å. Ni is bonded in a 9-coordinate geometry to six equivalent Ho, one Ni, and two equivalent Sn atoms. The Ni–Ni bond length is 2.54 Å. Both Ni–Sn bond lengths are 2.88 Å. Sn is bonded to eight equivalent Ho and four equivalent Ni atoms to form a mixture of face and corner-sharing SnHo8Ni4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho6Ni2Sn by Materials Project

Ho6Ni2Sn crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are three inequivalent Ho sites. In the first Ho site, Ho is bonded in a 4-coordinate geometry to two Ni and two Sn atoms. There are one shorter (2.75 Å) and one longer (3.21 Å) Ho–Ni bond lengths. There are one shorter (3.05 Å) and one longer (3.34 Å) Ho–Sn bond lengths. In the second Ho site, Ho is bonded in a 4-coordinate geometry to three Ni and one Sn atom. There are one shorter (2.69 Å) and two longer (2.87 Å) Ho–Ni bond lengths. The Ho–Sn bond length is 3.40 Å. In the third Ho site, Ho is bonded in a 5-coordinate geometry to three Ni and two Sn atoms. There are two shorter (2.89 Å) and one longer (3.19 Å) Ho–Ni bond lengths. There are one shorter (3.27 Å) and one longer (3.59 Å) Ho–Sn bond lengths. There are two inequivalent Ni sites. In the first Ni site, Ni is bonded in a 9-coordinate geometry to eight Ho atoms. In the second Ni site, Ni is bonded in a 9-coordinate geometry to eight Ho and one Ni atom. The Ni–Ni bond length is 2.48 Å. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded in a body-centered cubic geometry to eight Ho atoms. In the second Sn site, Sn is bonded in a cuboctahedral geometry to twelve Ho atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HoNiSn by Materials Project

HoNiSn crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. Ho is bonded in a 11-coordinate geometry to five Ni and six equivalent Sn atoms. All Ho–Ni bond lengths are 2.94 Å. There are two shorter (3.11 Å) and four longer (3.24 Å) Ho–Sn bond lengths. There are two inequivalent Ni sites. In the first Ni site, Ni is bonded in a 9-coordinate geometry to three equivalent Ho and six equivalent Sn atoms. All Ni–Sn bond lengths are 2.71 Å. In the second Ni site, Ni is bonded in a 9-coordinate geometry to six equivalent Ho and three equivalent Sn atoms. All Ni–Sn bond lengths are 2.72 Å. Sn is bonded in a 10-coordinate geometry to six equivalent Ho and four Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HoNiSn2 by Materials Project

HoNiSn2 is delta Molybdenum Boride-derived structured and 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 six Ni and eight Sn atoms. There are a spread of Ho–Ni bond distances ranging from 3.27–3.50 Å. There are a spread of Ho–Sn bond distances ranging from 3.11–3.19 Å. In the second Ho site, Ho is bonded in a 11-coordinate geometry to two equivalent Ni and nine Sn atoms. Both Ho–Ni bond lengths are 3.05 Å. There are a spread of Ho–Sn bond distances ranging from 3.14–3.51 Å. In the third Ho site, Ho is bonded in a 1-coordinate geometry to four Ni and nine Sn atoms. There are two shorter (3.14 Å) and two longer (3.22 Å) Ho–Ni bond lengths. There are a spread of Ho–Sn bond distances ranging from 3.13–3.58 Å. There are three inequivalent Ni sites. In the first Ni site, Ni is bonded in a 10-coordinate geometry to five Ho and five Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.55–2.75 Å. In the second Ni site, Ni is bonded in a 7-coordinate geometry to three Ho and five Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.49–2.79 Å. In the third Ni site, Ni is bonded in a 10-coordinate geometry to four Ho and five Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.54–2.69 Å. There are six inequivalent Sn sites. In the first Sn site, Sn is bonded in a 8-coordinate geometry to four Ho, three equivalent Ni, and one Sn atom. The Sn–Sn bond length is 3.01 Å. In the second Sn site, Sn is bonded in a 9-coordinate geometry to six Ho and three Ni atoms. In the third Sn site, Sn is bonded in a 6-coordinate geometry to four Ho and two Ni atoms. In the fourth Sn site, Sn is bonded in a 7-coordinate geometry to four Ho and three Ni atoms. In the fifth Sn site, Sn is bonded in a 8-coordinate geometry to four Ho, three Ni, and one Sn atom. In the sixth Sn site, Sn is bonded in a 2-coordinate geometry to four Ho and one Ni atom.

36 MATERIALS SCIENCE↗