Co2NiGa is alpha La-derived structured and crystallizes in the tetragonal P4/mmm space group. Co(1) is bonded to four equivalent Co(1), four equivalent Ni(1), and four equivalent Ga(1) atoms to form CoGa4Co4Ni4 cuboctahedra that share corners with twelve equivalent Co(1)Ga4Co4Ni4 cuboctahedra, edges with eight equivalent Co(1)Ga4Co4Ni4 cuboctahedra, edges with eight equivalent Ni(1)Ga4Co8 cuboctahedra, edges with eight equivalent Ga(1)Co8Ni4 cuboctahedra, faces with four equivalent Ni(1)Ga4Co8 cuboctahedra, faces with four equivalent Ga(1)Co8Ni4 cuboctahedra, and faces with ten equivalent Co(1)Ga4Co4Ni4 cuboctahedra. Ni(1) is bonded to eight equivalent Co(1) and four equivalent Ga(1) atoms to form NiGa4Co8 cuboctahedra that share corners with twelve equivalent Ni(1)Ga4Co8 cuboctahedra, edges with eight equivalent Ga(1)Co8Ni4 cuboctahedra, edges with sixteen equivalent Co(1)Ga4Co4Ni4 cuboctahedra, faces with four equivalent Ga(1)Co8Ni4 cuboctahedra, faces with six equivalent Ni(1)Ga4Co8 cuboctahedra, and faces with eight equivalent Co(1)Ga4Co4Ni4 cuboctahedra. Ga(1) is bonded to eight equivalent Co(1) and four equivalent Ni(1) atoms to form GaCo8Ni4 cuboctahedra that share corners with twelve equivalent Ga(1)Co8Ni4 cuboctahedra, edges with eight equivalent Ni(1)Ga4Co8 cuboctahedra, edges with sixteen equivalent Co(1)Ga4Co4Ni4 cuboctahedra, faces with four equivalent Ni(1)Ga4Co8 cuboctahedra, faces with six equivalent Ga(1)Co8Ni4 cuboctahedra, and faces with eight equivalent Co(1)Ga4Co4Ni4 cuboctahedra.
Co2NiGa is alpha La-derived structured and crystallizes in the tetragonal P4/mmm space group. Co(1) is bonded to four equivalent Co(1), four equivalent Ni(1), and four equivalent Ga(1) atoms to form CoGa4Co4Ni4 cuboctahedra that share corners with twelve equivalent Co(1)Ga4Co4Ni4 cuboctahedra, edges with eight equivalent Co(1)Ga4Co4Ni4 cuboctahedra, edges with eight equivalent Ni(1)Ga4Co8 cuboctahedra, edges with eight equivalent Ga(1)Co8Ni4 cuboctahedra, faces with four equivalent Ni(1)Ga4Co8 cuboctahedra, faces with four equivalent Ga(1)Co8Ni4 cuboctahedra, and faces with ten equivalent Co(1)Ga4Co4Ni4 cuboctahedra. All Co(1)-Co(1) bond lengths are 2.49 Å. All Co(1)-Ni(1) bond lengths are 2.57 Å. All Co(1)-Ga(1) bond lengths are 2.57 Å. Ni(1) is bonded to eight equivalent Co(1) and four equivalent Ga(1) atoms to form NiGa4Co8 cuboctahedra that share corners with twelve equivalent Ni(1)Ga4Co8 cuboctahedra, edges with eight equivalent Ga(1)Co8Ni4 cuboctahedra, edges with sixteen equivalent Co(1)Ga4Co4Ni4 cuboctahedra, faces with four equivalent Ga(1)Co8Ni4 cuboctahedra, faces with six equivalent Ni(1)Ga4Co8 cuboctahedra, and faces with eight equivalent Co(1)Ga4Co4Ni4 cuboctahedra. All Ni(1)-Ga(1) bond lengths are 2.49 Å. Ga(1) is bonded to eight equivalent Co(1) and four equivalent Ni(1) atoms to form GaCo8Ni4 cuboctahedra that share corners with twelve equivalent Ga(1)Co8Ni4 cuboctahedra, edges with eight equivalent Ni(1)Ga4Co8 cuboctahedra, edges with sixteen equivalent Co(1)Ga4Co4Ni4 cuboctahedra, faces with four equivalent Ni(1)Ga4Co8 cuboctahedra, faces with six equivalent Ga(1)Co8Ni4 cuboctahedra, and faces with eight equivalent Co(1)Ga4Co4Ni4 cuboctahedra.