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24 records · Page 2
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Y3(SiRh)2 by Materials Project

Y3(RhSi)2 crystallizes in the orthorhombic Pbcm space group. The structure is three-dimensional. there are two inequivalent Y sites. In the first Y site, Y is bonded in a 6-coordinate geometry to four equivalent Rh and five Si atoms. There are a spread of Y–Rh bond distances ranging from 2.90–3.10 Å. There are a spread of Y–Si bond distances ranging from 2.96–3.40 Å. In the second Y site, Y is bonded in a 9-coordinate geometry to four equivalent Rh and five Si atoms. There are two shorter (3.02 Å) and two longer (3.10 Å) Y–Rh bond lengths. There are a spread of Y–Si bond distances ranging from 2.97–3.28 Å. Rh is bonded in a 9-coordinate geometry to six Y and three Si atoms. There are a spread of Rh–Si bond distances ranging from 2.49–2.52 Å. There are two inequivalent Si sites. In the first Si site, Si is bonded in a 9-coordinate geometry to seven Y and two equivalent Rh atoms. In the second Si site, Si is bonded in a 12-coordinate geometry to eight Y and four equivalent Rh atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Er(SiRh)2 by Materials Project

ErRh2Si2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Er is bonded in a 8-coordinate geometry to eight equivalent Rh and eight equivalent Si atoms. All Er–Rh bond lengths are 3.21 Å. All Er–Si bond lengths are 3.11 Å. Rh is bonded to four equivalent Er and four equivalent Si atoms to form a mixture of distorted corner, edge, and face-sharing RhEr4Si4 tetrahedra. All Rh–Si bond lengths are 2.40 Å. Si is bonded in a 9-coordinate geometry to four equivalent Er, four equivalent Rh, and one Si atom. The Si–Si bond length is 2.41 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tm(SiRh)2 by Materials Project

Tm(RhSi)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Tm is bonded in a 8-coordinate geometry to eight equivalent Rh and eight equivalent Si atoms. All Tm–Rh bond lengths are 3.20 Å. All Tm–Si bond lengths are 3.11 Å. Rh is bonded to four equivalent Tm and four equivalent Si atoms to form a mixture of distorted corner, edge, and face-sharing RhTm4Si4 tetrahedra. All Rh–Si bond lengths are 2.40 Å. Si is bonded in a 9-coordinate geometry to four equivalent Tm, four equivalent Rh, and one Si atom. The Si–Si bond length is 2.40 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SiRh by Materials Project

RhSi is Modderite structured and crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Rh4+ is bonded to six equivalent Si4- atoms to form a mixture of distorted edge, face, and corner-sharing RhSi6 octahedra. The corner-sharing octahedra tilt angles range from 41–63°. There are a spread of Rh–Si bond distances ranging from 2.44–2.52 Å. Si4- is bonded in a 6-coordinate geometry to six equivalent Rh4+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li(SiRh)2 by Materials Project

Li(RhSi)2 crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. Li1+ is bonded in a square co-planar geometry to four equivalent Si4- atoms. All Li–Si bond lengths are 2.70 Å. Rh+3.50+ is bonded in a 6-coordinate geometry to six equivalent Si4- atoms. There are two shorter (2.46 Å) and four longer (2.50 Å) Rh–Si bond lengths. Si4- is bonded in a 8-coordinate geometry to two equivalent Li1+ and six equivalent Rh+3.50+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ce3(SiRh)2 by Materials Project

Ce3(RhSi)2 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 Si atoms. There are two shorter (3.03 Å) and two longer (3.12 Å) Ce–Rh bond lengths. There are a spread of Ce–Si bond distances ranging from 3.00–3.29 Å. In the second Ce site, Ce is bonded in a 7-coordinate geometry to four equivalent Rh and five Si atoms. There are two shorter (2.91 Å) and two longer (3.11 Å) Ce–Rh bond lengths. There are a spread of Ce–Si bond distances ranging from 3.03–3.37 Å. Rh is bonded in a 9-coordinate geometry to six Ce and three Si atoms. There are a spread of Rh–Si bond distances ranging from 2.49–2.58 Å. There are two inequivalent Si sites. In the first Si site, Si is bonded to eight Ce and four equivalent Rh atoms to form a mixture of distorted edge, corner, and face-sharing SiCe8Rh4 cuboctahedra. In the second Si site, Si is bonded in a 9-coordinate geometry to seven Ce and two equivalent Rh atoms.

36 MATERIALS SCIENCE↗