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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on ErSi2Rh3 by Materials Project

ErRh3Si2 crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Er is bonded in a 6-coordinate geometry to twelve equivalent Rh and six equivalent Si atoms. All Er–Rh bond lengths are 3.31 Å. All Er–Si bond lengths are 3.18 Å. Rh is bonded in a distorted square co-planar geometry to four equivalent Er and four equivalent Si atoms. All Rh–Si bond lengths are 2.43 Å. Si is bonded in a 9-coordinate geometry to three equivalent Er and six equivalent Rh atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ErSi2Rh3 by Materials Project

ErRh3Si2 crystallizes in the orthorhombic Imma space group. The structure is three-dimensional. Er is bonded in a 8-coordinate geometry to two equivalent Er, twelve Rh, and six equivalent Si atoms. Both Er–Er bond lengths are 3.63 Å. There are a spread of Er–Rh bond distances ranging from 3.07–3.57 Å. There are a spread of Er–Si bond distances ranging from 3.19–3.27 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 6-coordinate geometry to four equivalent Er and four equivalent Si atoms. There are two shorter (2.41 Å) and two longer (2.44 Å) Rh–Si bond lengths. In the second Rh site, Rh is bonded in a 12-coordinate geometry to four equivalent Er and four equivalent Si atoms. All Rh–Si bond lengths are 2.46 Å. Si is bonded in a 6-coordinate geometry to three equivalent Er and six Rh atoms.

36 MATERIALS SCIENCE↗