Ba8In8O19 is Orthorhombic Perovskite-like structured and crystallizes in the monoclinic Cm space group. There are four inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 7-coordinate geometry to one O(2), one O(3), one O(5), one O(7), one O(8), and two equivalent O(1) atoms. In the second Ba site, Ba(2) is bonded in a 8-coordinate geometry to one O(11), one O(2), one O(3), one O(5), one O(6), one O(7), and two equivalent O(10) atoms. In the third Ba site, Ba(3) is bonded in a 8-coordinate geometry to one O(2), one O(3), one O(4), one O(5), one O(6), one O(8), and two equivalent O(1) atoms. In the fourth Ba site, Ba(4) is bonded in a 8-coordinate geometry to one O(2), one O(3), one O(6), one O(7), one O(8), one O(9), and two equivalent O(10) atoms. There are six inequivalent In sites. In the first In site, In(1) is bonded to one O(1), one O(10), one O(5), one O(7), and two equivalent O(3) atoms to form InO6 octahedra that share corners with two equivalent In(1)O6 octahedra, corners with two equivalent In(4)O6 octahedra, and  a cornercorner with one In(6)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 5-8°. In the second In site, In(2) is bonded in a distorted trigonal non-coplanar geometry to one O(4) and two equivalent O(7) atoms. In the third In site, In(3) is bonded in a distorted T-shaped geometry to one O(11) and two equivalent O(6) atoms. In the fourth In site, In(4) is bonded to one O(1), one O(10), one O(6), one O(8), and two equivalent O(2) atoms to form InO6 octahedra that share corners with two equivalent In(1)O6 octahedra, corners with two equivalent In(4)O6 octahedra, and  a cornercorner with one In(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 5-8°. In the fifth In site, In(5) is bonded to one O(11), one O(9), and two equivalent O(8) atoms to form InO4 tetrahedra that share corners with two equivalent In(4)O6 octahedra and  a cornercorner with one In(6)O4 tetrahedra. The corner-sharing octahedral tilt angles are 30°. In the sixth In site, In(6) is bonded to one O(4), one O(9), and two equivalent O(5) atoms to form InO4 tetrahedra that share corners with two equivalent In(1)O6 octahedra and  a cornercorner with one In(5)O4 tetrahedra. The corner-sharing octahedral tilt angles are 32°. There are eleven inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Ba(1), two equivalent Ba(3), one In(1), and one In(4) atom to form a mixture of distorted corner, edge, and face-sharing OBa4In2 octahedra. The corner-sharing octahedral tilt angles are 2°. In the second O site, O(2) is bonded to one Ba(1), one Ba(2), one Ba(3), one Ba(4), and two equivalent In(4) atoms to form distorted OBa4In2 octahedra that share corners with two equivalent O(2)Ba4In2 octahedra,  a cornercorner with one O(11)Ba2In2 tetrahedra,  a cornercorner with one O(9)Ba2In2 tetrahedra, edges with two equivalent O(3)Ba4In2 octahedra, faces with two equivalent O(1)Ba4In2 octahedra, and faces with two equivalent O(10)Ba4In2 octahedra. The corner-sharing octahedral tilt angles are 2°. In the third O site, O(3) is bonded to one Ba(1), one Ba(2), one Ba(3), one Ba(4), and two equivalent In(1) atoms to form distorted OBa4In2 octahedra that share corners with two equivalent O(3)Ba4In2 octahedra,  a cornercorner with one O(11)Ba2In2 tetrahedra,  a cornercorner with one O(9)Ba2In2 tetrahedra, edges with two equivalent O(2)Ba4In2 octahedra, faces with two equivalent O(1)Ba4In2 octahedra, and faces with two equivalent O(10)Ba4In2 octahedra. The corner-sharing octahedral tilt angles are 3°. In the fourth O site, O(4) is bonded in a distorted see-saw-like geometry to two equivalent Ba(3), one In(2), and one In(6) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Ba(1), one Ba(2), one Ba(3), one In(1), and one In(6) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Ba(2), one Ba(3), one Ba(4), one In(3), and one In(4) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one Ba(1), one Ba(2), one Ba(4), one In(1), and one In(2) atom. In the eighth O site, O(8) is bonded in a 5-coordinate geometry to one Ba(1), one Ba(3), one Ba(4), one In(4), and one In(5) atom. In the ninth O site, O(9) is bonded to two equivalent Ba(4), one In(5), and one In(6) atom to form distorted OBa2In2 tetrahedra that share corners with two equivalent O(2)Ba4In2 octahedra, corners with two equivalent O(3)Ba4In2 octahedra, corners with four equivalent O(10)Ba4In2 octahedra, and  a cornercorner with one O(11)Ba2In2 tetrahedra. The corner-sharing octahedral tilt angles range from 17-81°. In the tenth O site, O(10) is bonded to two equivalent Ba(2), two equivalent Ba(4), one In(1), and one In(4) atom to form distorted OBa4In2 octahedra that share corners with two equivalent O(1)Ba4In2 octahedra, corners with two equivalent O(11)Ba2In2 tetrahedra, corners with two equivalent O(9)Ba2In2 tetrahedra, edges with two equivalent O(10)Ba4In2 octahedra, faces with two equivalent O(2)Ba4In2 octahedra, and faces with two equivalent O(3)Ba4In2 octahedra. The corner-sharing octahedral tilt angles are 2°. In the eleventh O site, O(11) is bonded to two equivalent Ba(2), one In(3), and one In(5) atom to form distorted OBa2In2 tetrahedra that share corners with two equivalent O(2)Ba4In2 octahedra, corners with two equivalent O(3)Ba4In2 octahedra, corners with four equivalent O(10)Ba4In2 octahedra, and  a cornercorner with one O(9)Ba2In2 tetrahedra. The corner-sharing octahedral tilt angles range from 14-83°.
Ba8In8O19 is Orthorhombic Perovskite-like structured and crystallizes in the monoclinic Cm space group. There are four inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 7-coordinate geometry to one O(2), one O(3), one O(5), one O(7), one O(8), and two equivalent O(1) atoms. The Ba(1)-O(2) bond length is 2.75 Å. The Ba(1)-O(3) bond length is 2.80 Å. The Ba(1)-O(5) bond length is 2.67 Å. The Ba(1)-O(7) bond length is 3.10 Å. The Ba(1)-O(8) bond length is 2.86 Å. Both Ba(1)-O(1) bond lengths are 2.79 Å. In the second Ba site, Ba(2) is bonded in a 8-coordinate geometry to one O(11), one O(2), one O(3), one O(5), one O(6), one O(7), and two equivalent O(10) atoms. The Ba(2)-O(11) bond length is 2.72 Å. The Ba(2)-O(2) bond length is 2.78 Å. The Ba(2)-O(3) bond length is 2.93 Å. The Ba(2)-O(5) bond length is 2.89 Å. The Ba(2)-O(6) bond length is 3.14 Å. The Ba(2)-O(7) bond length is 2.74 Å. There is one shorter (2.87 Å) and one longer (2.88 Å) Ba(2)-O(10) bond length. In the third Ba site, Ba(3) is bonded in a 8-coordinate geometry to one O(2), one O(3), one O(4), one O(5), one O(6), one O(8), and two equivalent O(1) atoms. The Ba(3)-O(2) bond length is 2.87 Å. The Ba(3)-O(3) bond length is 2.75 Å. The Ba(3)-O(4) bond length is 2.65 Å. The Ba(3)-O(5) bond length is 3.19 Å. The Ba(3)-O(6) bond length is 2.91 Å. The Ba(3)-O(8) bond length is 2.68 Å. There is one shorter (2.83 Å) and one longer (2.85 Å) Ba(3)-O(1) bond length. In the fourth Ba site, Ba(4) is bonded in a 8-coordinate geometry to one O(2), one O(3), one O(6), one O(7), one O(8), one O(9), and two equivalent O(10) atoms. The Ba(4)-O(2) bond length is 2.87 Å. The Ba(4)-O(3) bond length is 2.79 Å. The Ba(4)-O(6) bond length is 2.72 Å. The Ba(4)-O(7) bond length is 3.00 Å. The Ba(4)-O(8) bond length is 3.20 Å. The Ba(4)-O(9) bond length is 2.67 Å. There is one shorter (2.83 Å) and one longer (2.89 Å) Ba(4)-O(10) bond length. There are six inequivalent In sites. In the first In site, In(1) is bonded to one O(1), one O(10), one O(5), one O(7), and two equivalent O(3) atoms to form InO6 octahedra that share corners with two equivalent In(1)O6 octahedra, corners with two equivalent In(4)O6 octahedra, and  a cornercorner with one In(6)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 5-8°. The In(1)-O(1) bond length is 2.14 Å. The In(1)-O(10) bond length is 2.12 Å. The In(1)-O(5) bond length is 2.36 Å. The In(1)-O(7) bond length is 2.31 Å. Both In(1)-O(3) bond lengths are 2.17 Å. In the second In site, In(2) is bonded in a distorted trigonal non-coplanar geometry to one O(4) and two equivalent O(7) atoms. The In(2)-O(4) bond length is 2.11 Å. Both In(2)-O(7) bond lengths are 2.09 Å. In the third In site, In(3) is bonded in a distorted T-shaped geometry to one O(11) and two equivalent O(6) atoms. The In(3)-O(11) bond length is 2.11 Å. Both In(3)-O(6) bond lengths are 2.10 Å. In the fourth In site, In(4) is bonded to one O(1), one O(10), one O(6), one O(8), and two equivalent O(2) atoms to form InO6 octahedra that share corners with two equivalent In(1)O6 octahedra, corners with two equivalent In(4)O6 octahedra, and  a cornercorner with one In(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 5-8°. The In(4)-O(1) bond length is 2.14 Å. The In(4)-O(10) bond length is 2.13 Å. The In(4)-O(6) bond length is 2.29 Å. The In(4)-O(8) bond length is 2.33 Å. There is one shorter (2.16 Å) and one longer (2.17 Å) In(4)-O(2) bond length. In the fifth In site, In(5) is bonded to one O(11), one O(9), and two equivalent O(8) atoms to form InO4 tetrahedra that share corners with two equivalent In(4)O6 octahedra and  a cornercorner with one In(6)O4 tetrahedra. The corner-sharing octahedral tilt angles are 30°. The In(5)-O(11) bond length is 2.08 Å. The In(5)-O(9) bond length is 2.08 Å. Both In(5)-O(8) bond lengths are 2.04 Å. In the sixth In site, In(6) is bonded to one O(4), one O(9), and two equivalent O(5) atoms to form InO4 tetrahedra that share corners with two equivalent In(1)O6 octahedra and  a cornercorner with one In(5)O4 tetrahedra. The corner-sharing octahedral tilt angles are 32°. The In(6)-O(4) bond length is 2.07 Å. The In(6)-O(9) bond length is 2.08 Å. Both In(6)-O(5) bond lengths are 2.05 Å. There are eleven inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Ba(1), two equivalent Ba(3), one In(1), and one In(4) atom to form a mixture of distorted corner, edge, and face-sharing OBa4In2 octahedra. The corner-sharing octahedral tilt angles are 2°. In the second O site, O(2) is bonded to one Ba(1), one Ba(2), one Ba(3), one Ba(4), and two equivalent In(4) atoms to form distorted OBa4In2 octahedra that share corners with two equivalent O(2)Ba4In2 octahedra,  a cornercorner with one O(11)Ba2In2 tetrahedra,  a cornercorner with one O(9)Ba2In2 tetrahedra, edges with two equivalent O(3)Ba4In2 octahedra, faces with two equivalent O(1)Ba4In2 octahedra, and faces with two equivalent O(10)Ba4In2 octahedra. The corner-sharing octahedral tilt angles are 2°. In the third O site, O(3) is bonded to one Ba(1), one Ba(2), one Ba(3), one Ba(4), and two equivalent In(1) atoms to form distorted OBa4In2 octahedra that share corners with two equivalent O(3)Ba4In2 octahedra,  a cornercorner with one O(11)Ba2In2 tetrahedra,  a cornercorner with one O(9)Ba2In2 tetrahedra, edges with two equivalent O(2)Ba4In2 octahedra, faces with two equivalent O(1)Ba4In2 octahedra, and faces with two equivalent O(10)Ba4In2 octahedra. The corner-sharing octahedral tilt angles are 3°. In the fourth O site, O(4) is bonded in a distorted see-saw-like geometry to two equivalent Ba(3), one In(2), and one In(6) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Ba(1), one Ba(2), one Ba(3), one In(1), and one In(6) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Ba(2), one Ba(3), one Ba(4), one In(3), and one In(4) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one Ba(1), one Ba(2), one Ba(4), one In(1), and one In(2) atom. In the eighth O site, O(8) is bonded in a 5-coordinate geometry to one Ba(1), one Ba(3), one Ba(4), one In(4), and one In(5) atom. In the ninth O site, O(9) is bonded to two equivalent Ba(4), one In(5), and one In(6) atom to form distorted OBa2In2 tetrahedra that share corners with two equivalent O(2)Ba4In2 octahedra, corners with two equivalent O(3)Ba4In2 octahedra, corners with four equivalent O(10)Ba4In2 octahedra, and  a cornercorner with one O(11)Ba2In2 tetrahedra. The corner-sharing octahedral tilt angles range from 17-81°. In the tenth O site, O(10) is bonded to two equivalent Ba(2), two equivalent Ba(4), one In(1), and one In(4) atom to form distorted OBa4In2 octahedra that share corners with two equivalent O(1)Ba4In2 octahedra, corners with two equivalent O(11)Ba2In2 tetrahedra, corners with two equivalent O(9)Ba2In2 tetrahedra, edges with two equivalent O(10)Ba4In2 octahedra, faces with two equivalent O(2)Ba4In2 octahedra, and faces with two equivalent O(3)Ba4In2 octahedra. The corner-sharing octahedral tilt angles are 2°. In the eleventh O site, O(11) is bonded to two equivalent Ba(2), one In(3), and one In(5) atom to form distorted OBa2In2 tetrahedra that share corners with two equivalent O(2)Ba4In2 octahedra, corners with two equivalent O(3)Ba4In2 octahedra, corners with four equivalent O(10)Ba4In2 octahedra, and  a cornercorner with one O(9)Ba2In2 tetrahedra. The corner-sharing octahedral tilt angles range from 14-83°.