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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on MnNiGe by Materials Project

MnNiGe crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Mn is bonded in a 5-coordinate geometry to six equivalent Ni and five equivalent Ge atoms. There are a spread of Mn–Ni bond distances ranging from 2.79–2.91 Å. There are a spread of Mn–Ge bond distances ranging from 2.54–2.63 Å. Ni is bonded in a 12-coordinate geometry to six equivalent Mn, two equivalent Ni, and four equivalent Ge atoms. Both Ni–Ni bond lengths are 2.64 Å. There are a spread of Ni–Ge bond distances ranging from 2.33–2.40 Å. Ge is bonded in a 9-coordinate geometry to five equivalent Mn and four equivalent Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on MnNiGe by Materials Project

MnNiGe crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Mn is bonded in a 12-coordinate geometry to two equivalent Mn, six equivalent Ni, and six equivalent Ge atoms. Both Mn–Mn bond lengths are 2.65 Å. All Mn–Ni bond lengths are 2.71 Å. All Mn–Ge bond lengths are 2.71 Å. Ni is bonded in a 11-coordinate geometry to six equivalent Mn and five equivalent Ge atoms. There are three shorter (2.36 Å) and two longer (2.65 Å) Ni–Ge bond lengths. Ge is bonded in a 11-coordinate geometry to six equivalent Mn and five equivalent Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on MnNi2Ge by Materials Project

Ni2MnGe is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Mn is bonded in a distorted body-centered cubic geometry to eight equivalent Ni and six equivalent Ge atoms. All Mn–Ni bond lengths are 2.51 Å. All Mn–Ge bond lengths are 2.90 Å. Ni is bonded in a body-centered cubic geometry to four equivalent Mn and four equivalent Ge atoms. All Ni–Ge bond lengths are 2.51 Å. Ge is bonded in a distorted body-centered cubic geometry to six equivalent Mn and eight equivalent Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on MnNiGe by Materials Project

MnNiGe crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Mn is bonded in a 11-coordinate geometry to five equivalent Ni and six equivalent Ge atoms. There are three shorter (2.39 Å) and two longer (2.70 Å) Mn–Ni bond lengths. All Mn–Ge bond lengths are 2.75 Å. Ni is bonded in a 5-coordinate geometry to five equivalent Mn and six equivalent Ge atoms. All Ni–Ge bond lengths are 2.75 Å. Ge is bonded in a 12-coordinate geometry to six equivalent Mn, six equivalent Ni, and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.70 Å.

36 MATERIALS SCIENCE↗