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DOE OSTI2020

Materials Data on HoMnGe by Materials Project

HoMnGe crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Ho is bonded in a 5-coordinate geometry to five equivalent Ge atoms. There are a spread of Ho–Ge bond distances ranging from 2.95–2.98 Å. Mn is bonded in a 4-coordinate geometry to four equivalent Ge atoms. There are a spread of Mn–Ge bond distances ranging from 2.55–2.77 Å. Ge is bonded in a 9-coordinate geometry to five equivalent Ho and four equivalent Mn atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on Ho(MnGe)2 by Materials Project

HoMn2Ge2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Ho is bonded in a 8-coordinate geometry to eight equivalent Ge atoms. All Ho–Ge bond lengths are 3.06 Å. Mn is bonded to four equivalent Ge atoms to form a mixture of corner and edge-sharing MnGe4 tetrahedra. All Mn–Ge bond lengths are 2.43 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Ho, four equivalent Mn, and one Ge atom. The Ge–Ge bond length is 2.57 Å.

36 MATERIALS SCIENCE↗