Ni2FeGa is alpha La-derived structured and crystallizes in the tetragonal P4/mmm space group. Fe(1) is bonded to eight equivalent Ni(1) and four equivalent Ga(1) atoms to form FeGa4Ni8 cuboctahedra that share corners with twelve equivalent Fe(1)Ga4Ni8 cuboctahedra, edges with eight equivalent Ga(1)Fe4Ni8 cuboctahedra, edges with sixteen equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra, faces with four equivalent Ga(1)Fe4Ni8 cuboctahedra, faces with six equivalent Fe(1)Ga4Ni8 cuboctahedra, and faces with eight equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra. Ni(1) is bonded to four equivalent Fe(1), four equivalent Ni(1), and four equivalent Ga(1) atoms to form NiGa4Fe4Ni4 cuboctahedra that share corners with twelve equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra, edges with eight equivalent Fe(1)Ga4Ni8 cuboctahedra, edges with eight equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra, edges with eight equivalent Ga(1)Fe4Ni8 cuboctahedra, faces with four equivalent Fe(1)Ga4Ni8 cuboctahedra, faces with four equivalent Ga(1)Fe4Ni8 cuboctahedra, and faces with ten equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra. Ga(1) is bonded to four equivalent Fe(1) and eight equivalent Ni(1) atoms to form GaFe4Ni8 cuboctahedra that share corners with twelve equivalent Ga(1)Fe4Ni8 cuboctahedra, edges with eight equivalent Fe(1)Ga4Ni8 cuboctahedra, edges with sixteen equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra, faces with four equivalent Fe(1)Ga4Ni8 cuboctahedra, faces with six equivalent Ga(1)Fe4Ni8 cuboctahedra, and faces with eight equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra.
Ni2FeGa is alpha La-derived structured and crystallizes in the tetragonal P4/mmm space group. Fe(1) is bonded to eight equivalent Ni(1) and four equivalent Ga(1) atoms to form FeGa4Ni8 cuboctahedra that share corners with twelve equivalent Fe(1)Ga4Ni8 cuboctahedra, edges with eight equivalent Ga(1)Fe4Ni8 cuboctahedra, edges with sixteen equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra, faces with four equivalent Ga(1)Fe4Ni8 cuboctahedra, faces with six equivalent Fe(1)Ga4Ni8 cuboctahedra, and faces with eight equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra. All Fe(1)-Ni(1) bond lengths are 2.56 Å. All Fe(1)-Ga(1) bond lengths are 2.57 Å. Ni(1) is bonded to four equivalent Fe(1), four equivalent Ni(1), and four equivalent Ga(1) atoms to form NiGa4Fe4Ni4 cuboctahedra that share corners with twelve equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra, edges with eight equivalent Fe(1)Ga4Ni8 cuboctahedra, edges with eight equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra, edges with eight equivalent Ga(1)Fe4Ni8 cuboctahedra, faces with four equivalent Fe(1)Ga4Ni8 cuboctahedra, faces with four equivalent Ga(1)Fe4Ni8 cuboctahedra, and faces with ten equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra. All Ni(1)-Ni(1) bond lengths are 2.57 Å. All Ni(1)-Ga(1) bond lengths are 2.56 Å. Ga(1) is bonded to four equivalent Fe(1) and eight equivalent Ni(1) atoms to form GaFe4Ni8 cuboctahedra that share corners with twelve equivalent Ga(1)Fe4Ni8 cuboctahedra, edges with eight equivalent Fe(1)Ga4Ni8 cuboctahedra, edges with sixteen equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra, faces with four equivalent Fe(1)Ga4Ni8 cuboctahedra, faces with six equivalent Ga(1)Fe4Ni8 cuboctahedra, and faces with eight equivalent Ni(1)Ga4Fe4Ni4 cuboctahedra.