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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on YbGeRh by Materials Project

YbRhGe crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Yb is bonded in a 9-coordinate geometry to four equivalent Rh and six equivalent Ge atoms. There are a spread of Yb–Rh bond distances ranging from 2.94–3.08 Å. There are a spread of Yb–Ge bond distances ranging from 3.04–3.29 Å. Rh is bonded in a 8-coordinate geometry to four equivalent Yb and four equivalent Ge atoms. There are a spread of Rh–Ge bond distances ranging from 2.51–2.56 Å. Ge is bonded in a 10-coordinate geometry to six equivalent Yb and four equivalent Rh atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Yb(GeRh)2 by Materials Project

Yb(RhGe)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Yb is bonded in a 8-coordinate geometry to eight equivalent Rh and eight equivalent Ge atoms. All Yb–Rh bond lengths are 3.33 Å. All Yb–Ge bond lengths are 3.22 Å. Rh is bonded to four equivalent Yb and four equivalent Ge atoms to form a mixture of distorted edge, face, and corner-sharing RhYb4Ge4 tetrahedra. All Rh–Ge bond lengths are 2.46 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Yb, four equivalent Rh, and one Ge atom. The Ge–Ge bond length is 2.59 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Yb4Ge6Rh7 by Materials Project

Yb4Rh7Ge6 crystallizes in the cubic Im-3m space group. The structure is three-dimensional. Yb is bonded to six equivalent Rh and six equivalent Ge atoms to form YbGe6Rh6 cuboctahedra that share corners with twelve equivalent YbGe6Rh6 cuboctahedra, faces with six equivalent YbGe6Rh6 cuboctahedra, and faces with two equivalent RhGe6 octahedra. All Yb–Rh bond lengths are 2.95 Å. All Yb–Ge bond lengths are 3.01 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded to six equivalent Ge atoms to form RhGe6 octahedra that share faces with eight equivalent YbGe6Rh6 cuboctahedra. All Rh–Ge bond lengths are 2.67 Å. In the second Rh site, Rh is bonded in a 8-coordinate geometry to four equivalent Yb and four equivalent Ge atoms. All Rh–Ge bond lengths are 2.57 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Yb and five Rh atoms.

36 MATERIALS SCIENCE↗