Ir3Mo is Magnesium-derived structured and crystallizes in the hexagonal P6_3/mmc space group. Mo(1) is bonded to twelve equivalent Ir(1) atoms to form MoIr12 cuboctahedra that share corners with six equivalent Mo(1)Ir12 cuboctahedra, corners with twelve equivalent Ir(1)Mo4Ir8 cuboctahedra, edges with eighteen equivalent Ir(1)Mo4Ir8 cuboctahedra, faces with eight equivalent Mo(1)Ir12 cuboctahedra, and faces with twelve equivalent Ir(1)Mo4Ir8 cuboctahedra. Ir(1) is bonded to four equivalent Mo(1) and eight equivalent Ir(1) atoms to form IrMo4Ir8 cuboctahedra that share corners with four equivalent Mo(1)Ir12 cuboctahedra, corners with fourteen equivalent Ir(1)Mo4Ir8 cuboctahedra, edges with six equivalent Mo(1)Ir12 cuboctahedra, edges with twelve equivalent Ir(1)Mo4Ir8 cuboctahedra, faces with four equivalent Mo(1)Ir12 cuboctahedra, and faces with sixteen equivalent Ir(1)Mo4Ir8 cuboctahedra.
Ir3Mo is Magnesium-derived structured and crystallizes in the hexagonal P6_3/mmc space group. Mo(1) is bonded to twelve equivalent Ir(1) atoms to form MoIr12 cuboctahedra that share corners with six equivalent Mo(1)Ir12 cuboctahedra, corners with twelve equivalent Ir(1)Mo4Ir8 cuboctahedra, edges with eighteen equivalent Ir(1)Mo4Ir8 cuboctahedra, faces with eight equivalent Mo(1)Ir12 cuboctahedra, and faces with twelve equivalent Ir(1)Mo4Ir8 cuboctahedra. There are six shorter (2.72 Å) and six longer (2.75 Å) Mo(1)-Ir(1) bond lengths. Ir(1) is bonded to four equivalent Mo(1) and eight equivalent Ir(1) atoms to form IrMo4Ir8 cuboctahedra that share corners with four equivalent Mo(1)Ir12 cuboctahedra, corners with fourteen equivalent Ir(1)Mo4Ir8 cuboctahedra, edges with six equivalent Mo(1)Ir12 cuboctahedra, edges with twelve equivalent Ir(1)Mo4Ir8 cuboctahedra, faces with four equivalent Mo(1)Ir12 cuboctahedra, and faces with sixteen equivalent Ir(1)Mo4Ir8 cuboctahedra. There are a spread of Ir(1)-Ir(1) bond distances ranging from 2.71-2.76 Å.