InMnO3 crystallizes in the orthorhombic Cmc2_1 space group. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(4), one O(6), and two equivalent O(2) atoms to form MnO5 trigonal bipyramids that share  a cornercorner with one In(1)O7 pentagonal bipyramid, corners with three equivalent Mn(1)O5 trigonal bipyramids, corners with three equivalent Mn(2)O5 trigonal bipyramids, and  an edgeedge with one In(1)O7 pentagonal bipyramid. In the second Mn site, Mn(2) is bonded to one O(1), one O(3), one O(5), and two equivalent O(2) atoms to form MnO5 trigonal bipyramids that share  a cornercorner with one In(1)O7 pentagonal bipyramid, corners with six equivalent Mn(1)O5 trigonal bipyramids, and  an edgeedge with one In(1)O7 pentagonal bipyramid. There are two inequivalent In sites. In the first In site, In(1) is bonded to one O(1), one O(3), one O(5), two equivalent O(4), and two equivalent O(6) atoms to form distorted InO7 pentagonal bipyramids that share  a cornercorner with one Mn(2)O5 trigonal bipyramid, corners with two equivalent Mn(1)O5 trigonal bipyramids,  an edgeedge with one Mn(2)O5 trigonal bipyramid, and edges with two equivalent Mn(1)O5 trigonal bipyramids. In the second In site, In(2) is bonded in a 7-coordinate geometry to one O(2), one O(3), one O(5), two equivalent O(4), and two equivalent O(6) atoms. There are six inequivalent O sites. In the first O site, O(5) is bonded to one Mn(2), one In(1), and two equivalent In(2) atoms to form distorted OMnIn3 tetrahedra that share corners with two equivalent O(3)MnIn3 tetrahedra, corners with two equivalent O(4)MnIn3 tetrahedra, corners with six equivalent O(6)MnIn3 tetrahedra,  an edgeedge with one O(3)MnIn3 tetrahedra, edges with two equivalent O(4)MnIn3 tetrahedra, and  an edgeedge with one O(1)Mn3In trigonal pyramid. In the second O site, O(6) is bonded to one Mn(1), one In(1), and two equivalent In(2) atoms to form distorted OMnIn3 tetrahedra that share  a cornercorner with one O(3)MnIn3 tetrahedra, corners with three equivalent O(4)MnIn3 tetrahedra, corners with three equivalent O(5)MnIn3 tetrahedra, corners with three equivalent O(6)MnIn3 tetrahedra,  an edgeedge with one O(3)MnIn3 tetrahedra, edges with two equivalent O(4)MnIn3 tetrahedra, and  an edgeedge with one O(1)Mn3In trigonal pyramid. In the third O site, O(1) is bonded to one Mn(2), two equivalent Mn(1), and one In(1) atom to form a mixture of distorted corner and edge-sharing OMn3In trigonal pyramids. In the fourth O site, O(2) is bonded in a distorted trigonal planar geometry to one Mn(2), two equivalent Mn(1), and one In(2) atom. In the fifth O site, O(3) is bonded to one Mn(2), one In(1), and two equivalent In(2) atoms to form OMnIn3 tetrahedra that share corners with two equivalent O(5)MnIn3 tetrahedra, corners with two equivalent O(6)MnIn3 tetrahedra, corners with six equivalent O(4)MnIn3 tetrahedra, corners with two equivalent O(1)Mn3In trigonal pyramids,  an edgeedge with one O(5)MnIn3 tetrahedra, and edges with two equivalent O(6)MnIn3 tetrahedra. In the sixth O site, O(4) is bonded to one Mn(1), one In(1), and two equivalent In(2) atoms to form OMnIn3 tetrahedra that share  a cornercorner with one O(5)MnIn3 tetrahedra, corners with three equivalent O(3)MnIn3 tetrahedra, corners with three equivalent O(4)MnIn3 tetrahedra, corners with three equivalent O(6)MnIn3 tetrahedra, corners with two equivalent O(1)Mn3In trigonal pyramids,  an edgeedge with one O(5)MnIn3 tetrahedra, and edges with two equivalent O(6)MnIn3 tetrahedra.
InMnO3 crystallizes in the orthorhombic Cmc2_1 space group. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(4), one O(6), and two equivalent O(2) atoms to form MnO5 trigonal bipyramids that share  a cornercorner with one In(1)O7 pentagonal bipyramid, corners with three equivalent Mn(1)O5 trigonal bipyramids, corners with three equivalent Mn(2)O5 trigonal bipyramids, and  an edgeedge with one In(1)O7 pentagonal bipyramid. The Mn(1)-O(1) bond length is 2.00 Å. The Mn(1)-O(4) bond length is 1.91 Å. The Mn(1)-O(6) bond length is 1.90 Å. There is one shorter (1.97 Å) and one longer (1.98 Å) Mn(1)-O(2) bond length. In the second Mn site, Mn(2) is bonded to one O(1), one O(3), one O(5), and two equivalent O(2) atoms to form MnO5 trigonal bipyramids that share  a cornercorner with one In(1)O7 pentagonal bipyramid, corners with six equivalent Mn(1)O5 trigonal bipyramids, and  an edgeedge with one In(1)O7 pentagonal bipyramid. The Mn(2)-O(1) bond length is 1.98 Å. The Mn(2)-O(3) bond length is 1.91 Å. The Mn(2)-O(5) bond length is 1.90 Å. Both Mn(2)-O(2) bond lengths are 1.98 Å. There are two inequivalent In sites. In the first In site, In(1) is bonded to one O(1), one O(3), one O(5), two equivalent O(4), and two equivalent O(6) atoms to form distorted InO7 pentagonal bipyramids that share  a cornercorner with one Mn(2)O5 trigonal bipyramid, corners with two equivalent Mn(1)O5 trigonal bipyramids,  an edgeedge with one Mn(2)O5 trigonal bipyramid, and edges with two equivalent Mn(1)O5 trigonal bipyramids. The In(1)-O(1) bond length is 2.41 Å. The In(1)-O(3) bond length is 2.22 Å. The In(1)-O(5) bond length is 2.23 Å. Both In(1)-O(4) bond lengths are 2.22 Å. Both In(1)-O(6) bond lengths are 2.23 Å. In the second In site, In(2) is bonded in a 7-coordinate geometry to one O(2), one O(3), one O(5), two equivalent O(4), and two equivalent O(6) atoms. The In(2)-O(2) bond length is 2.62 Å. The In(2)-O(3) bond length is 2.20 Å. The In(2)-O(5) bond length is 2.21 Å. There is one shorter (2.20 Å) and one longer (2.21 Å) In(2)-O(4) bond length. Both In(2)-O(6) bond lengths are 2.21 Å. There are six inequivalent O sites. In the first O site, O(5) is bonded to one Mn(2), one In(1), and two equivalent In(2) atoms to form distorted OMnIn3 tetrahedra that share corners with two equivalent O(3)MnIn3 tetrahedra, corners with two equivalent O(4)MnIn3 tetrahedra, corners with six equivalent O(6)MnIn3 tetrahedra,  an edgeedge with one O(3)MnIn3 tetrahedra, edges with two equivalent O(4)MnIn3 tetrahedra, and  an edgeedge with one O(1)Mn3In trigonal pyramid. In the second O site, O(6) is bonded to one Mn(1), one In(1), and two equivalent In(2) atoms to form distorted OMnIn3 tetrahedra that share  a cornercorner with one O(3)MnIn3 tetrahedra, corners with three equivalent O(4)MnIn3 tetrahedra, corners with three equivalent O(5)MnIn3 tetrahedra, corners with three equivalent O(6)MnIn3 tetrahedra,  an edgeedge with one O(3)MnIn3 tetrahedra, edges with two equivalent O(4)MnIn3 tetrahedra, and  an edgeedge with one O(1)Mn3In trigonal pyramid. In the third O site, O(1) is bonded to one Mn(2), two equivalent Mn(1), and one In(1) atom to form a mixture of distorted corner and edge-sharing OMn3In trigonal pyramids. In the fourth O site, O(2) is bonded in a distorted trigonal planar geometry to one Mn(2), two equivalent Mn(1), and one In(2) atom. In the fifth O site, O(3) is bonded to one Mn(2), one In(1), and two equivalent In(2) atoms to form OMnIn3 tetrahedra that share corners with two equivalent O(5)MnIn3 tetrahedra, corners with two equivalent O(6)MnIn3 tetrahedra, corners with six equivalent O(4)MnIn3 tetrahedra, corners with two equivalent O(1)Mn3In trigonal pyramids,  an edgeedge with one O(5)MnIn3 tetrahedra, and edges with two equivalent O(6)MnIn3 tetrahedra. In the sixth O site, O(4) is bonded to one Mn(1), one In(1), and two equivalent In(2) atoms to form OMnIn3 tetrahedra that share  a cornercorner with one O(5)MnIn3 tetrahedra, corners with three equivalent O(3)MnIn3 tetrahedra, corners with three equivalent O(4)MnIn3 tetrahedra, corners with three equivalent O(6)MnIn3 tetrahedra, corners with two equivalent O(1)Mn3In trigonal pyramids,  an edgeedge with one O(5)MnIn3 tetrahedra, and edges with two equivalent O(6)MnIn3 tetrahedra.