MnIrN2 crystallizes in the orthorhombic Pna2_1 space group. Mn(1) is bonded to two equivalent N(1) and two equivalent N(2) atoms to form MnN4 trigonal pyramids that share corners with eight equivalent Ir(1)N4 tetrahedra and corners with four equivalent Mn(1)N4 trigonal pyramids. Ir(1) is bonded to two equivalent N(1) and two equivalent N(2) atoms to form distorted IrN4 tetrahedra that share corners with four equivalent Ir(1)N4 tetrahedra and corners with eight equivalent Mn(1)N4 trigonal pyramids. There are two inequivalent N sites. In the first N site, N(1) is bonded in a rectangular see-saw-like geometry to two equivalent Mn(1) and two equivalent Ir(1) atoms. In the second N site, N(2) is bonded to two equivalent Mn(1) and two equivalent Ir(1) atoms to form corner-sharing NMn2Ir2 tetrahedra.
MnIrN2 crystallizes in the orthorhombic Pna2_1 space group. Mn(1) is bonded to two equivalent N(1) and two equivalent N(2) atoms to form MnN4 trigonal pyramids that share corners with eight equivalent Ir(1)N4 tetrahedra and corners with four equivalent Mn(1)N4 trigonal pyramids. There is one shorter (1.88 Å) and one longer (1.96 Å) Mn(1)-N(1) bond length. There is one shorter (1.90 Å) and one longer (1.91 Å) Mn(1)-N(2) bond length. Ir(1) is bonded to two equivalent N(1) and two equivalent N(2) atoms to form distorted IrN4 tetrahedra that share corners with four equivalent Ir(1)N4 tetrahedra and corners with eight equivalent Mn(1)N4 trigonal pyramids. There is one shorter (1.97 Å) and one longer (2.01 Å) Ir(1)-N(1) bond length. Both Ir(1)-N(2) bond lengths are 2.10 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a rectangular see-saw-like geometry to two equivalent Mn(1) and two equivalent Ir(1) atoms. In the second N site, N(2) is bonded to two equivalent Mn(1) and two equivalent Ir(1) atoms to form corner-sharing NMn2Ir2 tetrahedra.