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IrC is Zincblende, Sphalerite structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Ir4+ is bonded to four equivalent C4- atoms to form corner-sharing IrC4 tetrahedra. All Ir–C bond lengths are 2.01 Å. C4- is bonded to four equivalent Ir4+ atoms to form corner-sharing CIr4 tetrahedra.
IrC is Halite, Rock Salt structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ir4+ is bonded to six equivalent C4- atoms to form a mixture of corner and edge-sharing IrC6 octahedra. The corner-sharing octahedral tilt angles are 0°. All Ir–C bond lengths are 2.20 Å. C4- is bonded to six equivalent Ir4+ atoms to form a mixture of corner and edge-sharing CIr6 octahedra. The corner-sharing octahedral tilt angles are 0°.
IrC is Tungsten Carbide structured and crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Ir4+ is bonded to six equivalent C4- atoms to form a mixture of distorted face, edge, and corner-sharing IrC6 pentagonal pyramids. All Ir–C bond lengths are 2.21 Å. C4- is bonded to six equivalent Ir4+ atoms to form a mixture of distorted face, edge, and corner-sharing CIr6 pentagonal pyramids.
IrC is Tetraauricupride structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Ir4+ is bonded in a body-centered cubic geometry to eight equivalent C4- atoms. All Ir–C bond lengths are 2.36 Å. C4- is bonded in a body-centered cubic geometry to eight equivalent Ir4+ atoms.