BaSr7Ti5Mn3O24 is (Cubic) Perovskite-derived structured and crystallizes in the monoclinic Cm space group. Ba(1) is bonded to one O(1), one O(3), two equivalent O(10), two equivalent O(13), two equivalent O(14), two equivalent O(2), and two equivalent O(9) atoms to form BaO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with eight equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with two equivalent Ti(3)O6 octahedra, and faces with two equivalent Mn(2)O6 octahedra. There are five inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(1), one O(10), one O(11), one O(12), one O(13), one O(14), one O(3), one O(7), one O(8), one O(9), and two equivalent O(2) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(4)O12 cuboctahedra, corners with four equivalent Sr(5)O12 cuboctahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with two equivalent Ti(3)O6 octahedra, and faces with two equivalent Mn(2)O6 octahedra. In the second Sr site, Sr(2) is bonded to one O(1), one O(3), two equivalent O(11), two equivalent O(12), two equivalent O(2), two equivalent O(7), and two equivalent O(8) atoms to form SrO12 cuboctahedra that share corners with four equivalent Ba(1)O12 cuboctahedra, corners with eight equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with two equivalent Ti(3)O6 octahedra, and faces with two equivalent Mn(2)O6 octahedra. In the third Sr site, Sr(3) is bonded to one O(10), one O(11), one O(12), one O(13), one O(14), one O(4), one O(6), one O(7), one O(8), one O(9), and two equivalent O(5) atoms to form SrO12 cuboctahedra that share corners with four equivalent Ba(1)O12 cuboctahedra, corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with two equivalent Ti(3)O6 octahedra, and faces with two equivalent Mn(2)O6 octahedra. In the fourth Sr site, Sr(4) is bonded to one O(4), one O(6), two equivalent O(11), two equivalent O(12), two equivalent O(5), two equivalent O(7), and two equivalent O(8) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(5)O12 cuboctahedra, corners with eight equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with four equivalent Sr(3)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with two equivalent Ti(3)O6 octahedra, and faces with two equivalent Mn(2)O6 octahedra. In the fifth Sr site, Sr(5) is bonded to one O(4), one O(6), two equivalent O(10), two equivalent O(13), two equivalent O(14), two equivalent O(5), and two equivalent O(9) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(4)O12 cuboctahedra, corners with eight equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with four equivalent Sr(3)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with two equivalent Ti(3)O6 octahedra, and faces with two equivalent Mn(2)O6 octahedra. There are four inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(3), one O(6), two equivalent O(10), and two equivalent O(8) atoms to form TiO6 octahedra that share corners with two equivalent Ti(4)O6 octahedra, corners with four equivalent Mn(2)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the second Ti site, Ti(2) is bonded to one O(1), one O(4), two equivalent O(11), and two equivalent O(13) atoms to form TiO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with four equivalent Ti(3)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the third Ti site, Ti(3) is bonded to one O(11), one O(12), one O(13), one O(14), one O(2), and one O(5) atom to form TiO6 octahedra that share corners with two equivalent Ti(2)O6 octahedra, corners with two equivalent Ti(4)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the fourth Ti site, Ti(4) is bonded to one O(3), one O(6), two equivalent O(12), and two equivalent O(14) atoms to form TiO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, corners with four equivalent Ti(3)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(4), two equivalent O(7), and two equivalent O(9) atoms to form MnO6 octahedra that share corners with two equivalent Ti(2)O6 octahedra, corners with four equivalent Mn(2)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-3°. In the second Mn site, Mn(2) is bonded to one O(10), one O(2), one O(5), one O(7), one O(8), and one O(9) atom to form MnO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, corners with two equivalent Ti(3)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-3°. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one Ba(1), one Sr(2), two equivalent Sr(1), one Ti(2), and one Mn(1) atom. In the second O site, O(2) is bonded in a distorted linear geometry to one Ba(1), one Sr(2), two equivalent Sr(1), one Ti(3), and one Mn(2) atom. In the third O site, O(3) is bonded in a distorted linear geometry to one Ba(1), one Sr(2), two equivalent Sr(1), one Ti(1), and one Ti(4) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Sr(4), one Sr(5), two equivalent Sr(3), one Ti(2), and one Mn(1) atom. In the fifth O site, O(5) is bonded in a distorted linear geometry to one Sr(4), one Sr(5), two equivalent Sr(3), one Ti(3), and one Mn(2) atom. In the sixth O site, O(6) is bonded in a distorted linear geometry to one Sr(4), one Sr(5), two equivalent Sr(3), one Ti(1), and one Ti(4) atom. In the seventh O site, O(7) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Mn(1), and one Mn(2) atom to form distorted OSr4Mn2 octahedra that share corners with two equivalent O(9)BaSr3Mn2 octahedra,  a faceface with one O(9)BaSr3Mn2 octahedra,  a faceface with one O(10)BaSr3TiMn octahedra, and  a faceface with one O(7)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 1-2°. In the eighth O site, O(8) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Ti(1), and one Mn(2) atom. In the ninth O site, O(9) is bonded to one Ba(1), one Sr(1), one Sr(3), one Sr(5), one Mn(1), and one Mn(2) atom to form distorted OBaSr3Mn2 octahedra that share corners with two equivalent O(7)Sr4Mn2 octahedra, edges with two equivalent O(10)BaSr3TiMn octahedra,  a faceface with one O(9)BaSr3Mn2 octahedra,  a faceface with one O(10)BaSr3TiMn octahedra, and  a faceface with one O(7)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 1-2°. In the tenth O site, O(10) is bonded to one Ba(1), one Sr(1), one Sr(3), one Sr(5), one Ti(1), and one Mn(2) atom to form distorted OBaSr3TiMn octahedra that share edges with two equivalent O(9)BaSr3Mn2 octahedra,  a faceface with one O(9)BaSr3Mn2 octahedra,  a faceface with one O(10)BaSr3TiMn octahedra, and  a faceface with one O(7)Sr4Mn2 octahedra. In the eleventh O site, O(11) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Ti(2), and one Ti(3) atom. In the twelfth O site, O(12) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Ti(3), and one Ti(4) atom. In the thirteenth O site, O(13) is bonded in a distorted linear geometry to one Ba(1), one Sr(1), one Sr(3), one Sr(5), one Ti(2), and one Ti(3) atom. In the fourteenth O site, O(14) is bonded in a distorted linear geometry to one Ba(1), one Sr(1), one Sr(3), one Sr(5), one Ti(3), and one Ti(4) atom.
BaSr7Ti5Mn3O24 is (Cubic) Perovskite-derived structured and crystallizes in the monoclinic Cm space group. Ba(1) is bonded to one O(1), one O(3), two equivalent O(10), two equivalent O(13), two equivalent O(14), two equivalent O(2), and two equivalent O(9) atoms to form BaO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with eight equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with two equivalent Ti(3)O6 octahedra, and faces with two equivalent Mn(2)O6 octahedra. The Ba(1)-O(1) bond length is 2.82 Å. The Ba(1)-O(3) bond length is 2.84 Å. Both Ba(1)-O(10) bond lengths are 2.81 Å. Both Ba(1)-O(13) bond lengths are 2.83 Å. Both Ba(1)-O(14) bond lengths are 2.84 Å. Both Ba(1)-O(2) bond lengths are 2.83 Å. Both Ba(1)-O(9) bond lengths are 2.81 Å. There are five inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(1), one O(10), one O(11), one O(12), one O(13), one O(14), one O(3), one O(7), one O(8), one O(9), and two equivalent O(2) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(4)O12 cuboctahedra, corners with four equivalent Sr(5)O12 cuboctahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with two equivalent Ti(3)O6 octahedra, and faces with two equivalent Mn(2)O6 octahedra. The Sr(1)-O(1) bond length is 2.77 Å. The Sr(1)-O(10) bond length is 2.76 Å. The Sr(1)-O(11) bond length is 2.81 Å. The Sr(1)-O(12) bond length is 2.83 Å. The Sr(1)-O(13) bond length is 2.80 Å. The Sr(1)-O(14) bond length is 2.81 Å. The Sr(1)-O(3) bond length is 2.81 Å. The Sr(1)-O(7) bond length is 2.75 Å. The Sr(1)-O(8) bond length is 2.77 Å. The Sr(1)-O(9) bond length is 2.74 Å. Both Sr(1)-O(2) bond lengths are 2.79 Å. In the second Sr site, Sr(2) is bonded to one O(1), one O(3), two equivalent O(11), two equivalent O(12), two equivalent O(2), two equivalent O(7), and two equivalent O(8) atoms to form SrO12 cuboctahedra that share corners with four equivalent Ba(1)O12 cuboctahedra, corners with eight equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with two equivalent Ti(3)O6 octahedra, and faces with two equivalent Mn(2)O6 octahedra. The Sr(2)-O(1) bond length is 2.72 Å. The Sr(2)-O(3) bond length is 2.77 Å. Both Sr(2)-O(11) bond lengths are 2.79 Å. Both Sr(2)-O(12) bond lengths are 2.81 Å. Both Sr(2)-O(2) bond lengths are 2.75 Å. Both Sr(2)-O(7) bond lengths are 2.74 Å. Both Sr(2)-O(8) bond lengths are 2.76 Å. In the third Sr site, Sr(3) is bonded to one O(10), one O(11), one O(12), one O(13), one O(14), one O(4), one O(6), one O(7), one O(8), one O(9), and two equivalent O(5) atoms to form SrO12 cuboctahedra that share corners with four equivalent Ba(1)O12 cuboctahedra, corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with two equivalent Ti(3)O6 octahedra, and faces with two equivalent Mn(2)O6 octahedra. The Sr(3)-O(10) bond length is 2.72 Å. The Sr(3)-O(11) bond length is 2.80 Å. The Sr(3)-O(12) bond length is 2.82 Å. The Sr(3)-O(13) bond length is 2.76 Å. The Sr(3)-O(14) bond length is 2.78 Å. The Sr(3)-O(4) bond length is 2.77 Å. The Sr(3)-O(6) bond length is 2.81 Å. The Sr(3)-O(7) bond length is 2.74 Å. The Sr(3)-O(8) bond length is 2.76 Å. The Sr(3)-O(9) bond length is 2.68 Å. Both Sr(3)-O(5) bond lengths are 2.79 Å. In the fourth Sr site, Sr(4) is bonded to one O(4), one O(6), two equivalent O(11), two equivalent O(12), two equivalent O(5), two equivalent O(7), and two equivalent O(8) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(5)O12 cuboctahedra, corners with eight equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with four equivalent Sr(3)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with two equivalent Ti(3)O6 octahedra, and faces with two equivalent Mn(2)O6 octahedra. The Sr(4)-O(4) bond length is 2.76 Å. The Sr(4)-O(6) bond length is 2.79 Å. Both Sr(4)-O(11) bond lengths are 2.78 Å. Both Sr(4)-O(12) bond lengths are 2.80 Å. Both Sr(4)-O(5) bond lengths are 2.77 Å. Both Sr(4)-O(7) bond lengths are 2.73 Å. Both Sr(4)-O(8) bond lengths are 2.75 Å. In the fifth Sr site, Sr(5) is bonded to one O(4), one O(6), two equivalent O(10), two equivalent O(13), two equivalent O(14), two equivalent O(5), and two equivalent O(9) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(4)O12 cuboctahedra, corners with eight equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with four equivalent Sr(3)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with two equivalent Ti(3)O6 octahedra, and faces with two equivalent Mn(2)O6 octahedra. The Sr(5)-O(4) bond length is 2.78 Å. The Sr(5)-O(6) bond length is 2.82 Å. Both Sr(5)-O(10) bond lengths are 2.76 Å. Both Sr(5)-O(13) bond lengths are 2.79 Å. Both Sr(5)-O(14) bond lengths are 2.81 Å. Both Sr(5)-O(5) bond lengths are 2.80 Å. Both Sr(5)-O(9) bond lengths are 2.75 Å. There are four inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(3), one O(6), two equivalent O(10), and two equivalent O(8) atoms to form TiO6 octahedra that share corners with two equivalent Ti(4)O6 octahedra, corners with four equivalent Mn(2)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Ti(1)-O(3) bond length is 1.96 Å. The Ti(1)-O(6) bond length is 1.94 Å. Both Ti(1)-O(10) bond lengths are 2.01 Å. Both Ti(1)-O(8) bond lengths are 1.97 Å. In the second Ti site, Ti(2) is bonded to one O(1), one O(4), two equivalent O(11), and two equivalent O(13) atoms to form TiO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with four equivalent Ti(3)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Ti(2)-O(1) bond length is 1.99 Å. The Ti(2)-O(4) bond length is 1.96 Å. Both Ti(2)-O(11) bond lengths are 1.96 Å. Both Ti(2)-O(13) bond lengths are 1.98 Å. In the third Ti site, Ti(3) is bonded to one O(11), one O(12), one O(13), one O(14), one O(2), and one O(5) atom to form TiO6 octahedra that share corners with two equivalent Ti(2)O6 octahedra, corners with two equivalent Ti(4)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Ti(3)-O(11) bond length is 1.96 Å. The Ti(3)-O(12) bond length is 1.96 Å. The Ti(3)-O(13) bond length is 1.98 Å. The Ti(3)-O(14) bond length is 1.98 Å. The Ti(3)-O(2) bond length is 1.99 Å. The Ti(3)-O(5) bond length is 1.96 Å. In the fourth Ti site, Ti(4) is bonded to one O(3), one O(6), two equivalent O(12), and two equivalent O(14) atoms to form TiO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, corners with four equivalent Ti(3)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. The Ti(4)-O(3) bond length is 1.98 Å. The Ti(4)-O(6) bond length is 1.96 Å. Both Ti(4)-O(12) bond lengths are 1.96 Å. Both Ti(4)-O(14) bond lengths are 1.98 Å. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(4), two equivalent O(7), and two equivalent O(9) atoms to form MnO6 octahedra that share corners with two equivalent Ti(2)O6 octahedra, corners with four equivalent Mn(2)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-3°. The Mn(1)-O(1) bond length is 1.95 Å. The Mn(1)-O(4) bond length is 1.94 Å. Both Mn(1)-O(7) bond lengths are 1.97 Å. Both Mn(1)-O(9) bond lengths are 1.99 Å. In the second Mn site, Mn(2) is bonded to one O(10), one O(2), one O(5), one O(7), one O(8), and one O(9) atom to form MnO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, corners with two equivalent Ti(3)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-3°. The Mn(2)-O(10) bond length is 1.96 Å. The Mn(2)-O(2) bond length is 1.94 Å. The Mn(2)-O(5) bond length is 1.93 Å. The Mn(2)-O(7) bond length is 1.95 Å. The Mn(2)-O(8) bond length is 1.95 Å. The Mn(2)-O(9) bond length is 1.97 Å. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one Ba(1), one Sr(2), two equivalent Sr(1), one Ti(2), and one Mn(1) atom. In the second O site, O(2) is bonded in a distorted linear geometry to one Ba(1), one Sr(2), two equivalent Sr(1), one Ti(3), and one Mn(2) atom. In the third O site, O(3) is bonded in a distorted linear geometry to one Ba(1), one Sr(2), two equivalent Sr(1), one Ti(1), and one Ti(4) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Sr(4), one Sr(5), two equivalent Sr(3), one Ti(2), and one Mn(1) atom. In the fifth O site, O(5) is bonded in a distorted linear geometry to one Sr(4), one Sr(5), two equivalent Sr(3), one Ti(3), and one Mn(2) atom. In the sixth O site, O(6) is bonded in a distorted linear geometry to one Sr(4), one Sr(5), two equivalent Sr(3), one Ti(1), and one Ti(4) atom. In the seventh O site, O(7) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Mn(1), and one Mn(2) atom to form distorted OSr4Mn2 octahedra that share corners with two equivalent O(9)BaSr3Mn2 octahedra,  a faceface with one O(9)BaSr3Mn2 octahedra,  a faceface with one O(10)BaSr3TiMn octahedra, and  a faceface with one O(7)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 1-2°. In the eighth O site, O(8) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Ti(1), and one Mn(2) atom. In the ninth O site, O(9) is bonded to one Ba(1), one Sr(1), one Sr(3), one Sr(5), one Mn(1), and one Mn(2) atom to form distorted OBaSr3Mn2 octahedra that share corners with two equivalent O(7)Sr4Mn2 octahedra, edges with two equivalent O(10)BaSr3TiMn octahedra,  a faceface with one O(9)BaSr3Mn2 octahedra,  a faceface with one O(10)BaSr3TiMn octahedra, and  a faceface with one O(7)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 1-2°. In the tenth O site, O(10) is bonded to one Ba(1), one Sr(1), one Sr(3), one Sr(5), one Ti(1), and one Mn(2) atom to form distorted OBaSr3TiMn octahedra that share edges with two equivalent O(9)BaSr3Mn2 octahedra,  a faceface with one O(9)BaSr3Mn2 octahedra,  a faceface with one O(10)BaSr3TiMn octahedra, and  a faceface with one O(7)Sr4Mn2 octahedra. In the eleventh O site, O(11) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Ti(2), and one Ti(3) atom. In the twelfth O site, O(12) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Ti(3), and one Ti(4) atom. In the thirteenth O site, O(13) is bonded in a distorted linear geometry to one Ba(1), one Sr(1), one Sr(3), one Sr(5), one Ti(2), and one Ti(3) atom. In the fourteenth O site, O(14) is bonded in a distorted linear geometry to one Ba(1), one Sr(1), one Sr(3), one Sr(5), one Ti(3), and one Ti(4) atom.