IrO3 crystallizes in the orthorhombic Cmcm space group. Ir(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form corner-sharing IrO6 octahedra. The corner-sharing octahedral tilt angles range from 33-49°. There are three inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to two equivalent Ir(1) atoms. In the second O site, O(2) is bonded in a bent 120 degrees geometry to two equivalent Ir(1) atoms. In the third O site, O(3) is bonded in a bent 150 degrees geometry to two equivalent Ir(1) atoms.
IrO3 crystallizes in the orthorhombic Cmcm space group. Ir(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form corner-sharing IrO6 octahedra. The corner-sharing octahedral tilt angles range from 33-49°. Both Ir(1)-O(1) bond lengths are 1.90 Å. Both Ir(1)-O(2) bond lengths are 1.94 Å. Both Ir(1)-O(3) bond lengths are 1.90 Å. There are three inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to two equivalent Ir(1) atoms. In the second O site, O(2) is bonded in a bent 120 degrees geometry to two equivalent Ir(1) atoms. In the third O site, O(3) is bonded in a bent 150 degrees geometry to two equivalent Ir(1) atoms.