MnNiGe crystallizes in the orthorhombic Pnma space group. Mn(1) is bonded in a 11-coordinate geometry to six equivalent Ni(1) and five equivalent Ge(1) atoms. Ni(1) is bonded in a 12-coordinate geometry to six equivalent Mn(1), two equivalent Ni(1), and four equivalent Ge(1) atoms. Ge(1) is bonded in a 9-coordinate geometry to five equivalent Mn(1) and four equivalent Ni(1) atoms.
MnNiGe crystallizes in the orthorhombic Pnma space group. Mn(1) is bonded in a 11-coordinate geometry to six equivalent Ni(1) and five equivalent Ge(1) atoms. There are a spread of Mn(1)-Ni(1) bond distances ranging from 2.78-2.91 Å. There are a spread of Mn(1)-Ge(1) bond distances ranging from 2.56-2.63 Å. Ni(1) is bonded in a 12-coordinate geometry to six equivalent Mn(1), two equivalent Ni(1), and four equivalent Ge(1) atoms. Both Ni(1)-Ni(1) bond lengths are 2.67 Å. There are a spread of Ni(1)-Ge(1) bond distances ranging from 2.33-2.38 Å. Ge(1) is bonded in a 9-coordinate geometry to five equivalent Mn(1) and four equivalent Ni(1) atoms.