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NiMn is Tetraauricupride structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Mn is bonded in a body-centered cubic geometry to eight equivalent Ni atoms. All Mn–Ni bond lengths are 2.53 Å. Ni is bonded in a body-centered cubic geometry to eight equivalent Mn atoms.
Ni3Mn is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Mn is bonded to twelve equivalent Ni atoms to form MnNi12 cuboctahedra that share corners with twelve equivalent MnNi12 cuboctahedra, edges with twenty-four equivalent NiMn4Ni8 cuboctahedra, faces with six equivalent MnNi12 cuboctahedra, and faces with twelve equivalent NiMn4Ni8 cuboctahedra. All Mn–Ni bond lengths are 2.52 Å. Ni is bonded to four equivalent Mn and eight equivalent Ni atoms to form NiMn4Ni8 cuboctahedra that share corners with twelve equivalent NiMn4Ni8 cuboctahedra, edges with eight equivalent MnNi12 cuboctahedra, edges with sixteen equivalent NiMn4Ni8 cuboctahedra, faces with four equivalent MnNi12 cuboctahedra, and faces with fourteen equivalent NiMn4Ni8 cuboctahedra. All Ni–Ni bond lengths are 2.52 Å.
NiMn is Tetraauricupride structured and crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Mn is bonded in a body-centered cubic geometry to eight equivalent Ni atoms. All Mn–Ni bond lengths are 2.52 Å. Ni is bonded in a body-centered cubic geometry to eight equivalent Mn atoms.
NiMn crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Mn is bonded to six equivalent Mn and six equivalent Ni atoms to form distorted MnMn6Ni6 cuboctahedra that share corners with twelve equivalent MnMn6Ni6 cuboctahedra, edges with twelve equivalent MnMn6Ni6 cuboctahedra, edges with twelve equivalent NiMn6Ni6 cuboctahedra, faces with six equivalent MnMn6Ni6 cuboctahedra, and faces with twelve equivalent NiMn6Ni6 cuboctahedra. There are four shorter (2.46 Å) and two longer (2.50 Å) Mn–Mn bond lengths. There are four shorter (2.50 Å) and two longer (2.51 Å) Mn–Ni bond lengths. Ni is bonded to six equivalent Mn and six equivalent Ni atoms to form distorted NiMn6Ni6 cuboctahedra that share corners with twelve equivalent NiMn6Ni6 cuboctahedra, edges with twelve equivalent MnMn6Ni6 cuboctahedra, edges with twelve equivalent NiMn6Ni6 cuboctahedra, faces with six equivalent NiMn6Ni6 cuboctahedra, and faces with twelve equivalent MnMn6Ni6 cuboctahedra. There are four shorter (2.46 Å) and two longer (2.50 Å) Ni–Ni bond lengths.
NiMn crystallizes in the orthorhombic Cmmm space group. The structure is three-dimensional. Mn is bonded in a 12-coordinate geometry to eight equivalent Ni atoms. There are four shorter (2.44 Å) and four longer (2.67 Å) Mn–Ni bond lengths. Ni is bonded in a 12-coordinate geometry to eight equivalent Mn atoms.