Materials Data on CoNi3 by Materials Project
Ni3Co1 is Magnesium-derived structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Co is bonded to twelve equivalent Ni atoms to form CoNi12 cuboctahedra that share corners with six equivalent CoNi12 cuboctahedra, corners with twelve equivalent NiCo4Ni8 cuboctahedra, edges with eighteen equivalent NiCo4Ni8 cuboctahedra, faces with eight equivalent CoNi12 cuboctahedra, and faces with twelve equivalent NiCo4Ni8 cuboctahedra. There are six shorter (2.49 Å) and six longer (2.50 Å) Co–Ni bond lengths. Ni is bonded to four equivalent Co and eight equivalent Ni atoms to form NiCo4Ni8 cuboctahedra that share corners with four equivalent CoNi12 cuboctahedra, corners with fourteen equivalent NiCo4Ni8 cuboctahedra, edges with six equivalent CoNi12 cuboctahedra, edges with twelve equivalent NiCo4Ni8 cuboctahedra, faces with four equivalent CoNi12 cuboctahedra, and faces with sixteen equivalent NiCo4Ni8 cuboctahedra. There are six shorter (2.49 Å) and two longer (2.50 Å) Ni–Ni bond lengths.