BaNi2In8O15 crystallizes in the orthorhombic Cmc2_1 space group. Ba(1) is bonded in a 8-coordinate geometry to one O(4), one O(5), two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms. Ni(1) is bonded to one O(2), one O(3), one O(6), one O(7), one O(8), and one O(9) atom to form NiO6 octahedra that share  a cornercorner with one In(5)O6 octahedra, corners with two equivalent In(2)O6 octahedra, corners with two equivalent In(4)O6 octahedra,  an edgeedge with one In(2)O6 octahedra,  an edgeedge with one In(5)O6 octahedra, edges with two equivalent In(1)O6 octahedra, and  a faceface with one In(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-52°. There are five inequivalent In sites. In the first In site, In(1) is bonded to one O(1), one O(2), one O(4), one O(6), one O(7), and one O(9) atom to form InO6 octahedra that share  a cornercorner with one In(4)O6 octahedra, corners with two equivalent In(2)O6 octahedra, corners with two equivalent In(5)O6 octahedra,  an edgeedge with one In(1)O6 octahedra,  an edgeedge with one In(2)O6 octahedra,  an edgeedge with one In(4)O6 octahedra,  an edgeedge with one In(5)O6 octahedra, and edges with two equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-66°. In the second In site, In(2) is bonded to one O(1), one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form InO6 octahedra that share corners with two equivalent Ni(1)O6 octahedra, corners with two equivalent In(1)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one In(1)O6 octahedra,  an edgeedge with one In(2)O6 octahedra,  an edgeedge with one In(4)O6 octahedra, and edges with two equivalent In(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-66°. In the third In site, In(3) is bonded in a 6-coordinate geometry to one O(1), one O(5), two equivalent O(3), and two equivalent O(9) atoms. In the fourth In site, In(4) is bonded to one O(1), one O(4), two equivalent O(2), and two equivalent O(8) atoms to form InO6 octahedra that share corners with two equivalent In(1)O6 octahedra, corners with four equivalent Ni(1)O6 octahedra, edges with two equivalent In(1)O6 octahedra, edges with two equivalent In(2)O6 octahedra, and edges with two equivalent In(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 18-59°. In the fifth In site, In(5) is bonded to one O(2), one O(3), one O(6), one O(7), one O(8), and one O(9) atom to form InO6 octahedra that share  a cornercorner with one Ni(1)O6 octahedra, corners with two equivalent In(1)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one In(1)O6 octahedra,  an edgeedge with one In(4)O6 octahedra, edges with two equivalent In(2)O6 octahedra, and  a faceface with one Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-52°. There are nine inequivalent O sites. In the first O site, O(8) is bonded to one Ba(1), one Ni(1), one In(2), one In(4), and one In(5) atom to form distorted OBaIn3Ni trigonal bipyramids that share corners with two equivalent O(4)BaIn3 tetrahedra,  a cornercorner with one O(6)BaIn3Ni trigonal bipyramid,  an edgeedge with one O(1)In6 octahedra,  an edgeedge with one O(5)BaIn3 tetrahedra,  an edgeedge with one O(8)BaIn3Ni trigonal bipyramid, edges with two equivalent O(6)BaIn3Ni trigonal bipyramids, and  an edgeedge with one O(9)In3Ni trigonal pyramid. In the second O site, O(9) is bonded to one Ni(1), one In(1), one In(3), and one In(5) atom to form OIn3Ni trigonal pyramids that share  a cornercorner with one O(4)BaIn3 tetrahedra,  a cornercorner with one O(5)BaIn3 tetrahedra,  a cornercorner with one O(6)BaIn3Ni trigonal bipyramid,  a cornercorner with one O(9)In3Ni trigonal pyramid,  an edgeedge with one O(1)In6 octahedra,  an edgeedge with one O(6)BaIn3Ni trigonal bipyramid, and  an edgeedge with one O(8)BaIn3Ni trigonal bipyramid. In the third O site, O(1) is bonded to one In(3), one In(4), two equivalent In(1), and two equivalent In(2) atoms to form OIn6 octahedra that share  a cornercorner with one O(4)BaIn3 tetrahedra,  a cornercorner with one O(5)BaIn3 tetrahedra,  an edgeedge with one O(4)BaIn3 tetrahedra,  an edgeedge with one O(5)BaIn3 tetrahedra, edges with two equivalent O(6)BaIn3Ni trigonal bipyramids, edges with two equivalent O(8)BaIn3Ni trigonal bipyramids, and edges with two equivalent O(9)In3Ni trigonal pyramids. In the fourth O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Ba(1), one Ni(1), one In(1), one In(4), and one In(5) atom. In the fifth O site, O(3) is bonded in a rectangular see-saw-like geometry to one Ni(1), one In(2), one In(3), and one In(5) atom. In the sixth O site, O(4) is bonded to one Ba(1), one In(4), and two equivalent In(1) atoms to form distorted OBaIn3 tetrahedra that share  a cornercorner with one O(1)In6 octahedra,  a cornercorner with one O(5)BaIn3 tetrahedra, corners with four equivalent O(6)BaIn3Ni trigonal bipyramids, corners with four equivalent O(8)BaIn3Ni trigonal bipyramids, corners with two equivalent O(9)In3Ni trigonal pyramids, and  an edgeedge with one O(1)In6 octahedra. The corner-sharing octahedral tilt angles are 9°. In the seventh O site, O(5) is bonded to one Ba(1), one In(3), and two equivalent In(2) atoms to form OBaIn3 tetrahedra that share  a cornercorner with one O(1)In6 octahedra,  a cornercorner with one O(4)BaIn3 tetrahedra, corners with four equivalent O(6)BaIn3Ni trigonal bipyramids, corners with two equivalent O(9)In3Ni trigonal pyramids,  an edgeedge with one O(1)In6 octahedra, and edges with two equivalent O(8)BaIn3Ni trigonal bipyramids. The corner-sharing octahedral tilt angles are 8°. In the eighth O site, O(6) is bonded to one Ba(1), one Ni(1), one In(1), one In(2), and one In(5) atom to form distorted OBaIn3Ni trigonal bipyramids that share corners with two equivalent O(4)BaIn3 tetrahedra, corners with two equivalent O(5)BaIn3 tetrahedra,  a cornercorner with one O(6)BaIn3Ni trigonal bipyramid,  a cornercorner with one O(8)BaIn3Ni trigonal bipyramid,  a cornercorner with one O(9)In3Ni trigonal pyramid,  an edgeedge with one O(1)In6 octahedra, edges with two equivalent O(8)BaIn3Ni trigonal bipyramids, and  an edgeedge with one O(9)In3Ni trigonal pyramid. In the ninth O site, O(7) is bonded in a distorted see-saw-like geometry to one Ni(1), one In(1), one In(2), and one In(5) atom.
BaNi2In8O15 crystallizes in the orthorhombic Cmc2_1 space group. Ba(1) is bonded in a 8-coordinate geometry to one O(4), one O(5), two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms. The Ba(1)-O(4) bond length is 2.79 Å. The Ba(1)-O(5) bond length is 2.80 Å. Both Ba(1)-O(2) bond lengths are 3.11 Å. Both Ba(1)-O(6) bond lengths are 3.17 Å. Both Ba(1)-O(8) bond lengths are 2.94 Å. Ni(1) is bonded to one O(2), one O(3), one O(6), one O(7), one O(8), and one O(9) atom to form NiO6 octahedra that share  a cornercorner with one In(5)O6 octahedra, corners with two equivalent In(2)O6 octahedra, corners with two equivalent In(4)O6 octahedra,  an edgeedge with one In(2)O6 octahedra,  an edgeedge with one In(5)O6 octahedra, edges with two equivalent In(1)O6 octahedra, and  a faceface with one In(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-52°. The Ni(1)-O(2) bond length is 2.12 Å. The Ni(1)-O(3) bond length is 2.09 Å. The Ni(1)-O(6) bond length is 2.13 Å. The Ni(1)-O(7) bond length is 2.16 Å. The Ni(1)-O(8) bond length is 2.16 Å. The Ni(1)-O(9) bond length is 2.16 Å. There are five inequivalent In sites. In the first In site, In(1) is bonded to one O(1), one O(2), one O(4), one O(6), one O(7), and one O(9) atom to form InO6 octahedra that share  a cornercorner with one In(4)O6 octahedra, corners with two equivalent In(2)O6 octahedra, corners with two equivalent In(5)O6 octahedra,  an edgeedge with one In(1)O6 octahedra,  an edgeedge with one In(2)O6 octahedra,  an edgeedge with one In(4)O6 octahedra,  an edgeedge with one In(5)O6 octahedra, and edges with two equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-66°. The In(1)-O(1) bond length is 2.41 Å. The In(1)-O(2) bond length is 2.22 Å. The In(1)-O(4) bond length is 2.16 Å. The In(1)-O(6) bond length is 2.29 Å. The In(1)-O(7) bond length is 2.14 Å. The In(1)-O(9) bond length is 2.17 Å. In the second In site, In(2) is bonded to one O(1), one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form InO6 octahedra that share corners with two equivalent Ni(1)O6 octahedra, corners with two equivalent In(1)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one In(1)O6 octahedra,  an edgeedge with one In(2)O6 octahedra,  an edgeedge with one In(4)O6 octahedra, and edges with two equivalent In(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-66°. The In(2)-O(1) bond length is 2.40 Å. The In(2)-O(3) bond length is 2.19 Å. The In(2)-O(5) bond length is 2.16 Å. The In(2)-O(6) bond length is 2.27 Å. The In(2)-O(7) bond length is 2.16 Å. The In(2)-O(8) bond length is 2.19 Å. In the third In site, In(3) is bonded in a 6-coordinate geometry to one O(1), one O(5), two equivalent O(3), and two equivalent O(9) atoms. The In(3)-O(1) bond length is 2.63 Å. The In(3)-O(5) bond length is 2.13 Å. Both In(3)-O(3) bond lengths are 2.19 Å. Both In(3)-O(9) bond lengths are 2.20 Å. In the fourth In site, In(4) is bonded to one O(1), one O(4), two equivalent O(2), and two equivalent O(8) atoms to form InO6 octahedra that share corners with two equivalent In(1)O6 octahedra, corners with four equivalent Ni(1)O6 octahedra, edges with two equivalent In(1)O6 octahedra, edges with two equivalent In(2)O6 octahedra, and edges with two equivalent In(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 18-59°. The In(4)-O(1) bond length is 2.42 Å. The In(4)-O(4) bond length is 2.14 Å. Both In(4)-O(2) bond lengths are 2.24 Å. Both In(4)-O(8) bond lengths are 2.22 Å. In the fifth In site, In(5) is bonded to one O(2), one O(3), one O(6), one O(7), one O(8), and one O(9) atom to form InO6 octahedra that share  a cornercorner with one Ni(1)O6 octahedra, corners with two equivalent In(1)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one In(1)O6 octahedra,  an edgeedge with one In(4)O6 octahedra, edges with two equivalent In(2)O6 octahedra, and  a faceface with one Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-52°. The In(5)-O(2) bond length is 2.22 Å. The In(5)-O(3) bond length is 2.14 Å. The In(5)-O(6) bond length is 2.18 Å. The In(5)-O(7) bond length is 2.22 Å. The In(5)-O(8) bond length is 2.28 Å. The In(5)-O(9) bond length is 2.18 Å. There are nine inequivalent O sites. In the first O site, O(8) is bonded to one Ba(1), one Ni(1), one In(2), one In(4), and one In(5) atom to form distorted OBaIn3Ni trigonal bipyramids that share corners with two equivalent O(4)BaIn3 tetrahedra,  a cornercorner with one O(6)BaIn3Ni trigonal bipyramid,  an edgeedge with one O(1)In6 octahedra,  an edgeedge with one O(5)BaIn3 tetrahedra,  an edgeedge with one O(8)BaIn3Ni trigonal bipyramid, edges with two equivalent O(6)BaIn3Ni trigonal bipyramids, and  an edgeedge with one O(9)In3Ni trigonal pyramid. In the second O site, O(9) is bonded to one Ni(1), one In(1), one In(3), and one In(5) atom to form OIn3Ni trigonal pyramids that share  a cornercorner with one O(4)BaIn3 tetrahedra,  a cornercorner with one O(5)BaIn3 tetrahedra,  a cornercorner with one O(6)BaIn3Ni trigonal bipyramid,  a cornercorner with one O(9)In3Ni trigonal pyramid,  an edgeedge with one O(1)In6 octahedra,  an edgeedge with one O(6)BaIn3Ni trigonal bipyramid, and  an edgeedge with one O(8)BaIn3Ni trigonal bipyramid. In the third O site, O(1) is bonded to one In(3), one In(4), two equivalent In(1), and two equivalent In(2) atoms to form OIn6 octahedra that share  a cornercorner with one O(4)BaIn3 tetrahedra,  a cornercorner with one O(5)BaIn3 tetrahedra,  an edgeedge with one O(4)BaIn3 tetrahedra,  an edgeedge with one O(5)BaIn3 tetrahedra, edges with two equivalent O(6)BaIn3Ni trigonal bipyramids, edges with two equivalent O(8)BaIn3Ni trigonal bipyramids, and edges with two equivalent O(9)In3Ni trigonal pyramids. In the fourth O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Ba(1), one Ni(1), one In(1), one In(4), and one In(5) atom. In the fifth O site, O(3) is bonded in a rectangular see-saw-like geometry to one Ni(1), one In(2), one In(3), and one In(5) atom. In the sixth O site, O(4) is bonded to one Ba(1), one In(4), and two equivalent In(1) atoms to form distorted OBaIn3 tetrahedra that share  a cornercorner with one O(1)In6 octahedra,  a cornercorner with one O(5)BaIn3 tetrahedra, corners with four equivalent O(6)BaIn3Ni trigonal bipyramids, corners with four equivalent O(8)BaIn3Ni trigonal bipyramids, corners with two equivalent O(9)In3Ni trigonal pyramids, and  an edgeedge with one O(1)In6 octahedra. The corner-sharing octahedral tilt angles are 9°. In the seventh O site, O(5) is bonded to one Ba(1), one In(3), and two equivalent In(2) atoms to form OBaIn3 tetrahedra that share  a cornercorner with one O(1)In6 octahedra,  a cornercorner with one O(4)BaIn3 tetrahedra, corners with four equivalent O(6)BaIn3Ni trigonal bipyramids, corners with two equivalent O(9)In3Ni trigonal pyramids,  an edgeedge with one O(1)In6 octahedra, and edges with two equivalent O(8)BaIn3Ni trigonal bipyramids. The corner-sharing octahedral tilt angles are 8°. In the eighth O site, O(6) is bonded to one Ba(1), one Ni(1), one In(1), one In(2), and one In(5) atom to form distorted OBaIn3Ni trigonal bipyramids that share corners with two equivalent O(4)BaIn3 tetrahedra, corners with two equivalent O(5)BaIn3 tetrahedra,  a cornercorner with one O(6)BaIn3Ni trigonal bipyramid,  a cornercorner with one O(8)BaIn3Ni trigonal bipyramid,  a cornercorner with one O(9)In3Ni trigonal pyramid,  an edgeedge with one O(1)In6 octahedra, edges with two equivalent O(8)BaIn3Ni trigonal bipyramids, and  an edgeedge with one O(9)In3Ni trigonal pyramid. In the ninth O site, O(7) is bonded in a distorted see-saw-like geometry to one Ni(1), one In(1), one In(2), and one In(5) atom.