Sr5Ca3Ti5Mn3O24 is (Cubic) Perovskite-derived structured and crystallizes in the triclinic P1 space group. There are five inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(1), one O(10), one O(13), one O(14), one O(17), one O(19), one O(2), one O(21), one O(23), one O(3), one O(4), and one O(9) atom to form SrO12 cuboctahedra that share corners with four equivalent Sr(4)O12 cuboctahedra, corners with four equivalent Sr(5)O12 cuboctahedra, corners with four equivalent Ca(2)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Ti(5)O6 octahedra,  a faceface with one Mn(1)O6 octahedra,  a faceface with one Mn(2)O6 octahedra, and  a faceface with one Mn(3)O6 octahedra. In the second Sr site, Sr(2) is bonded to one O(1), one O(10), one O(13), one O(14), one O(18), one O(2), one O(20), one O(22), one O(24), one O(3), one O(4), and one O(9) atom to form SrO12 cuboctahedra that share corners with four equivalent Sr(3)O12 cuboctahedra, corners with four equivalent Ca(1)O12 cuboctahedra, corners with four equivalent Ca(3)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Ca(2)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Ti(5)O6 octahedra,  a faceface with one Mn(1)O6 octahedra,  a faceface with one Mn(2)O6 octahedra, and  a faceface with one Mn(3)O6 octahedra. In the third Sr site, Sr(3) is bonded to one O(10), one O(13), one O(14), one O(17), one O(19), one O(21), one O(23), one O(5), one O(6), one O(7), one O(8), and one O(9) atom to form SrO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent Ca(1)O12 cuboctahedra, corners with four equivalent Ca(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(3)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Ti(5)O6 octahedra,  a faceface with one Mn(1)O6 octahedra,  a faceface with one Mn(2)O6 octahedra, and  a faceface with one Mn(3)O6 octahedra. In the fourth Sr site, Sr(4) is bonded to one O(10), one O(13), one O(14), one O(18), one O(20), one O(22), one O(24), one O(5), one O(6), one O(7), one O(8), and one O(9) atom to form SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(5)O12 cuboctahedra, corners with four equivalent Ca(2)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Ca(3)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Ti(5)O6 octahedra,  a faceface with one Mn(1)O6 octahedra,  a faceface with one Mn(2)O6 octahedra, and  a faceface with one Mn(3)O6 octahedra. In the fifth Sr site, Sr(5) is bonded to one O(11), one O(12), one O(15), one O(16), one O(17), one O(19), one O(21), one O(23), one O(5), one O(6), one O(7), and one O(8) atom 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 Ca(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Ca(3)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Ti(5)O6 octahedra,  a faceface with one Mn(1)O6 octahedra,  a faceface with one Mn(2)O6 octahedra, and  a faceface with one Mn(3)O6 octahedra. There are three inequivalent Ca sites. In the first Ca site, Ca(1) is bonded to one O(1), one O(11), one O(12), one O(15), one O(16), one O(17), one O(19), one O(2), one O(21), one O(23), one O(3), and one O(4) atom to form CaO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent Sr(3)O12 cuboctahedra, corners with four equivalent Ca(3)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra, faces with two equivalent Ca(2)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Ti(5)O6 octahedra,  a faceface with one Mn(1)O6 octahedra,  a faceface with one Mn(2)O6 octahedra, and  a faceface with one Mn(3)O6 octahedra. In the second Ca site, Ca(2) is bonded to one O(1), one O(11), one O(12), one O(15), one O(16), one O(18), one O(2), one O(20), one O(22), one O(24), one O(3), and one O(4) atom to form CaO12 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 Sr(2)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Ca(3)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Ti(5)O6 octahedra,  a faceface with one Mn(1)O6 octahedra,  a faceface with one Mn(2)O6 octahedra, and  a faceface with one Mn(3)O6 octahedra. In the third Ca site, Ca(3) is bonded to one O(11), one O(12), one O(15), one O(16), one O(18), one O(20), one O(22), one O(24), one O(5), one O(6), one O(7), and one O(8) atom to form CaO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent Sr(3)O12 cuboctahedra, corners with four equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra, faces with two equivalent Ca(2)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Ti(5)O6 octahedra,  a faceface with one Mn(1)O6 octahedra,  a faceface with one Mn(2)O6 octahedra, and  a faceface with one Mn(3)O6 octahedra. There are five inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(10), one O(12), one O(19), one O(20), one O(4), and one O(8) atom to form TiO6 octahedra that share corners with two equivalent Ti(5)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra, and  a faceface with one Ca(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the second Ti site, Ti(2) is bonded to one O(1), one O(13), one O(15), one O(21), one O(22), and one O(5) atom to form TiO6 octahedra that share corners with two equivalent Ti(3)O6 octahedra, corners with two equivalent Ti(4)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra, and  a faceface with one Ca(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(14), one O(16), one O(2), one O(21), one O(22), and one O(6) atom to form TiO6 octahedra that share corners with two equivalent Ti(2)O6 octahedra, corners with two equivalent Ti(5)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra, and  a faceface with one Ca(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(13), one O(15), one O(23), one O(24), one O(3), and one O(7) atom to form TiO6 octahedra that share corners with two equivalent Ti(2)O6 octahedra, corners with two equivalent Ti(5)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra, and  a faceface with one Ca(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the fifth Ti site, Ti(5) is bonded to one O(14), one O(16), one O(23), one O(24), one O(4), and one O(8) atom to form TiO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, corners with two equivalent Ti(3)O6 octahedra, corners with two equivalent Ti(4)O6 octahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra, and  a faceface with one Ca(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(11), one O(17), one O(18), one O(5), and one O(9) atom to form MnO6 octahedra that share corners with two equivalent Ti(2)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra, and  a faceface with one Ca(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(12), one O(17), one O(18), one O(2), and one O(6) 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 Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra, and  a faceface with one Ca(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-3°. In the third Mn site, Mn(3) is bonded to one O(11), one O(19), one O(20), one O(3), one O(7), and one O(9) atom to form MnO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, corners with two equivalent Ti(4)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra, and  a faceface with one Ca(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-3°. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Ca(1), one Ca(2), one Ti(2), and one Mn(1) atom. In the second O site, O(2) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Ca(1), one Ca(2), one Ti(3), and one Mn(2) atom. In the third O site, O(3) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Ca(1), one Ca(2), one Ti(4), and one Mn(3) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Ca(1), one Ca(2), one Ti(1), and one Ti(5) atom. In the fifth O site, O(5) is bonded in a distorted linear geometry to one Sr(3), one Sr(4), one Sr(5), one Ca(3), one Ti(2), and one Mn(1) atom. In the sixth O site, O(6) is bonded in a distorted linear geometry to one Sr(3), one Sr(4), one Sr(5), one Ca(3), one Ti(3), and one Mn(2) atom. In the seventh O site, O(7) is bonded in a distorted linear geometry to one Sr(3), one Sr(4), one Sr(5), one Ca(3), one Ti(4), and one Mn(3) atom. In the eighth O site, O(8) is bonded in a distorted linear geometry to one Sr(3), one Sr(4), one Sr(5), one Ca(3), one Ti(1), and one Ti(5) atom. In the ninth O site, O(9) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Mn(1), and one Mn(3) atom to form distorted OSr4Mn2 octahedra that share edges with two equivalent O(10)Sr4TiMn octahedra,  a faceface with one O(18)Sr2Ca2Mn2 octahedra,  a faceface with one O(17)Sr3CaMn2 octahedra, and  a faceface with one O(19)Sr3CaTiMn octahedra. In the tenth O site, O(10) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Ti(1), and one Mn(2) atom to form distorted OSr4TiMn octahedra that share edges with two equivalent O(9)Sr4Mn2 octahedra,  a faceface with one O(18)Sr2Ca2Mn2 octahedra,  a faceface with one O(17)Sr3CaMn2 octahedra, and  a faceface with one O(19)Sr3CaTiMn octahedra. In the eleventh O site, O(11) is bonded in a distorted linear geometry to one Sr(5), one Ca(1), one Ca(2), one Ca(3), one Mn(1), and one Mn(3) atom. In the twelfth O site, O(12) is bonded in a distorted linear geometry to one Sr(5), one Ca(1), one Ca(2), one Ca(3), one Ti(1), and one Mn(2) atom. In the thirteenth O site, O(13) 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(4) atom. In the fourteenth O site, O(14) 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(5) atom. In the fifteenth O site, O(15) is bonded in a distorted linear geometry to one Sr(5), one Ca(1), one Ca(2), one Ca(3), one Ti(2), and one Ti(4) atom. In the sixteenth O site, O(16) is bonded in a distorted linear geometry to one Sr(5), one Ca(1), one Ca(2), one Ca(3), one Ti(3), and one Ti(5) atom. In the seventeenth O site, O(17) is bonded to one Sr(1), one Sr(3), one Sr(5), one Ca(1), one Mn(1), and one Mn(2) atom to form distorted OSr3CaMn2 octahedra that share corners with two equivalent O(18)Sr2Ca2Mn2 octahedra, edges with two equivalent O(19)Sr3CaTiMn octahedra,  a faceface with one O(9)Sr4Mn2 octahedra, and  a faceface with one O(10)Sr4TiMn octahedra. The corner-sharing octahedral tilt angles are 3°. In the eighteenth O site, O(18) is bonded to one Sr(2), one Sr(4), one Ca(2), one Ca(3), one Mn(1), and one Mn(2) atom to form distorted OSr2Ca2Mn2 octahedra that share corners with two equivalent O(17)Sr3CaMn2 octahedra,  a faceface with one O(9)Sr4Mn2 octahedra, and  a faceface with one O(10)Sr4TiMn octahedra. The corner-sharing octahedral tilt angles are 3°. In the nineteenth O site, O(19) is bonded to one Sr(1), one Sr(3), one Sr(5), one Ca(1), one Ti(1), and one Mn(3) atom to form distorted OSr3CaTiMn octahedra that share edges with two equivalent O(17)Sr3CaMn2 octahedra,  a faceface with one O(9)Sr4Mn2 octahedra, and  a faceface with one O(10)Sr4TiMn octahedra. In the twentieth O site, O(20) is bonded in a distorted linear geometry to one Sr(2), one Sr(4), one Ca(2), one Ca(3), one Ti(1), and one Mn(3) atom. In the twenty-first O site, O(21) is bonded in a distorted linear geometry to one Sr(1), one Sr(3), one Sr(5), one Ca(1), one Ti(2), and one Ti(3) atom. In the twenty-second O site, O(22) is bonded in a distorted linear geometry to one Sr(2), one Sr(4), one Ca(2), one Ca(3), one Ti(2), and one Ti(3) atom. In the twenty-third O site, O(23) is bonded in a distorted linear geometry to one Sr(1), one Sr(3), one Sr(5), one Ca(1), one Ti(4), and one Ti(5) atom. In the twenty-fourth O site, O(24) is bonded in a distorted linear geometry to one Sr(2), one Sr(4), one Ca(2), one Ca(3), one Ti(4), and one Ti(5) atom.
Sr5Ca3Ti5Mn3O24 is (Cubic) Perovskite-derived structured and crystallizes in the triclinic P1 space group. There are five inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(1), one O(10), one O(13), one O(14), one O(17), one O(19), one O(2), one O(21), one O(23), one O(3), one O(4), and one O(9) atom to form SrO12 cuboctahedra that share corners with four equivalent Sr(4)O12 cuboctahedra, corners with four equivalent Sr(5)O12 cuboctahedra, corners with four equivalent Ca(2)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Ti(5)O6 octahedra,  a faceface with one Mn(1)O6 octahedra,  a faceface with one Mn(2)O6 octahedra, and  a faceface with one Mn(3)O6 octahedra. The Sr(1)-O(1) bond length is 2.78 Å. The Sr(1)-O(10) bond length is 2.74 Å. The Sr(1)-O(13) bond length is 2.77 Å. The Sr(1)-O(14) bond length is 2.79 Å. The Sr(1)-O(17) bond length is 2.72 Å. The Sr(1)-O(19) bond length is 2.75 Å. The Sr(1)-O(2) bond length is 2.79 Å. The Sr(1)-O(21) bond length is 2.78 Å. The Sr(1)-O(23) bond length is 2.80 Å. The Sr(1)-O(3) bond length is 2.79 Å. The Sr(1)-O(4) bond length is 2.81 Å. The Sr(1)-O(9) bond length is 2.72 Å. In the second Sr site, Sr(2) is bonded to one O(1), one O(10), one O(13), one O(14), one O(18), one O(2), one O(20), one O(22), one O(24), one O(3), one O(4), and one O(9) atom to form SrO12 cuboctahedra that share corners with four equivalent Sr(3)O12 cuboctahedra, corners with four equivalent Ca(1)O12 cuboctahedra, corners with four equivalent Ca(3)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Ca(2)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Ti(5)O6 octahedra,  a faceface with one Mn(1)O6 octahedra,  a faceface with one Mn(2)O6 octahedra, and  a faceface with one Mn(3)O6 octahedra. The Sr(2)-O(1) bond length is 2.77 Å. The Sr(2)-O(10) bond length is 2.73 Å. The Sr(2)-O(13) bond length is 2.76 Å. The Sr(2)-O(14) bond length is 2.78 Å. The Sr(2)-O(18) bond length is 2.76 Å. The Sr(2)-O(2) bond length is 2.78 Å. The Sr(2)-O(20) bond length is 2.76 Å. The Sr(2)-O(22) bond length is 2.79 Å. The Sr(2)-O(24) bond length is 2.81 Å. The Sr(2)-O(3) bond length is 2.78 Å. The Sr(2)-O(4) bond length is 2.80 Å. The Sr(2)-O(9) bond length is 2.72 Å. In the third Sr site, Sr(3) is bonded to one O(10), one O(13), one O(14), one O(17), one O(19), one O(21), one O(23), one O(5), one O(6), one O(7), one O(8), and one O(9) atom to form SrO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent Ca(1)O12 cuboctahedra, corners with four equivalent Ca(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(3)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Ti(5)O6 octahedra,  a faceface with one Mn(1)O6 octahedra,  a faceface with one Mn(2)O6 octahedra, and  a faceface with one Mn(3)O6 octahedra. The Sr(3)-O(10) bond length is 2.75 Å. The Sr(3)-O(13) bond length is 2.78 Å. The Sr(3)-O(14) bond length is 2.80 Å. The Sr(3)-O(17) bond length is 2.77 Å. The Sr(3)-O(19) bond length is 2.77 Å. The Sr(3)-O(21) bond length is 2.80 Å. The Sr(3)-O(23) bond length is 2.82 Å. The Sr(3)-O(5) bond length is 2.78 Å. The Sr(3)-O(6) bond length is 2.79 Å. The Sr(3)-O(7) bond length is 2.79 Å. The Sr(3)-O(8) bond length is 2.81 Å. The Sr(3)-O(9) bond length is 2.72 Å. In the fourth Sr site, Sr(4) is bonded to one O(10), one O(13), one O(14), one O(18), one O(20), one O(22), one O(24), one O(5), one O(6), one O(7), one O(8), and one O(9) atom to form SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(5)O12 cuboctahedra, corners with four equivalent Ca(2)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Ca(3)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Ti(5)O6 octahedra,  a faceface with one Mn(1)O6 octahedra,  a faceface with one Mn(2)O6 octahedra, and  a faceface with one Mn(3)O6 octahedra. The Sr(4)-O(10) bond length is 2.74 Å. The Sr(4)-O(13) bond length is 2.77 Å. The Sr(4)-O(14) bond length is 2.79 Å. The Sr(4)-O(18) bond length is 2.77 Å. The Sr(4)-O(20) bond length is 2.77 Å. The Sr(4)-O(22) bond length is 2.80 Å. The Sr(4)-O(24) bond length is 2.82 Å. The Sr(4)-O(5) bond length is 2.75 Å. The Sr(4)-O(6) bond length is 2.77 Å. The Sr(4)-O(7) bond length is 2.77 Å. The Sr(4)-O(8) bond length is 2.79 Å. The Sr(4)-O(9) bond length is 2.72 Å. In the fifth Sr site, Sr(5) is bonded to one O(11), one O(12), one O(15), one O(16), one O(17), one O(19), one O(21), one O(23), one O(5), one O(6), one O(7), and one O(8) atom 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 Ca(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Ca(3)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Ti(5)O6 octahedra,  a faceface with one Mn(1)O6 octahedra,  a faceface with one Mn(2)O6 octahedra, and  a faceface with one Mn(3)O6 octahedra. The Sr(5)-O(11) bond length is 2.76 Å. The Sr(5)-O(12) bond length is 2.76 Å. The Sr(5)-O(15) bond length is 2.79 Å. The Sr(5)-O(16) bond length is 2.81 Å. The Sr(5)-O(17) bond length is 2.71 Å. The Sr(5)-O(19) bond length is 2.72 Å. The Sr(5)-O(21) bond length is 2.76 Å. The Sr(5)-O(23) bond length is 2.78 Å. The Sr(5)-O(5) bond length is 2.73 Å. The Sr(5)-O(6) bond length is 2.75 Å. The Sr(5)-O(7) bond length is 2.75 Å. The Sr(5)-O(8) bond length is 2.77 Å. There are three inequivalent Ca sites. In the first Ca site, Ca(1) is bonded to one O(1), one O(11), one O(12), one O(15), one O(16), one O(17), one O(19), one O(2), one O(21), one O(23), one O(3), and one O(4) atom to form CaO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent Sr(3)O12 cuboctahedra, corners with four equivalent Ca(3)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra, faces with two equivalent Ca(2)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Ti(5)O6 octahedra,  a faceface with one Mn(1)O6 octahedra,  a faceface with one Mn(2)O6 octahedra, and  a faceface with one Mn(3)O6 octahedra. The Ca(1)-O(1) bond length is 2.70 Å. The Ca(1)-O(11) bond length is 2.69 Å. The Ca(1)-O(12) bond length is 2.73 Å. The Ca(1)-O(15) bond length is 2.78 Å. The Ca(1)-O(16) bond length is 2.81 Å. The Ca(1)-O(17) bond length is 2.64 Å. The Ca(1)-O(19) bond length is 2.69 Å. The Ca(1)-O(2) bond length is 2.74 Å. The Ca(1)-O(21) bond length is 2.75 Å. The Ca(1)-O(23) bond length is 2.78 Å. The Ca(1)-O(3) bond length is 2.73 Å. The Ca(1)-O(4) bond length is 2.78 Å. In the second Ca site, Ca(2) is bonded to one O(1), one O(11), one O(12), one O(15), one O(16), one O(18), one O(2), one O(20), one O(22), one O(24), one O(3), and one O(4) atom to form CaO12 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 Sr(2)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Ca(3)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Ti(5)O6 octahedra,  a faceface with one Mn(1)O6 octahedra,  a faceface with one Mn(2)O6 octahedra, and  a faceface with one Mn(3)O6 octahedra. The Ca(2)-O(1) bond length is 2.69 Å. The Ca(2)-O(11) bond length is 2.64 Å. The Ca(2)-O(12) bond length is 2.70 Å. The Ca(2)-O(15) bond length is 2.76 Å. The Ca(2)-O(16) bond length is 2.80 Å. The Ca(2)-O(18) bond length is 2.64 Å. The Ca(2)-O(2) bond length is 2.73 Å. The Ca(2)-O(20) bond length is 2.69 Å. The Ca(2)-O(22) bond length is 2.75 Å. The Ca(2)-O(24) bond length is 2.79 Å. The Ca(2)-O(3) bond length is 2.72 Å. The Ca(2)-O(4) bond length is 2.77 Å. In the third Ca site, Ca(3) is bonded to one O(11), one O(12), one O(15), one O(16), one O(18), one O(20), one O(22), one O(24), one O(5), one O(6), one O(7), and one O(8) atom to form CaO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent Sr(3)O12 cuboctahedra, corners with four equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra, faces with two equivalent Ca(2)O12 cuboctahedra,  a faceface with one Ti(1)O6 octahedra,  a faceface with one Ti(2)O6 octahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Ti(4)O6 octahedra,  a faceface with one Ti(5)O6 octahedra,  a faceface with one Mn(1)O6 octahedra,  a faceface with one Mn(2)O6 octahedra, and  a faceface with one Mn(3)O6 octahedra. The Ca(3)-O(11) bond length is 2.69 Å. The Ca(3)-O(12) bond length is 2.73 Å. The Ca(3)-O(15) bond length is 2.78 Å. The Ca(3)-O(16) bond length is 2.81 Å. The Ca(3)-O(18) bond length is 2.64 Å. The Ca(3)-O(20) bond length is 2.70 Å. The Ca(3)-O(22) bond length is 2.76 Å. The Ca(3)-O(24) bond length is 2.79 Å. The Ca(3)-O(5) bond length is 2.69 Å. The Ca(3)-O(6) bond length is 2.73 Å. The Ca(3)-O(7) bond length is 2.72 Å. The Ca(3)-O(8) bond length is 2.76 Å. There are five inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(10), one O(12), one O(19), one O(20), one O(4), and one O(8) atom to form TiO6 octahedra that share corners with two equivalent Ti(5)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra, and  a faceface with one Ca(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. The Ti(1)-O(10) bond length is 2.01 Å. The Ti(1)-O(12) bond length is 1.94 Å. The Ti(1)-O(19) bond length is 1.99 Å. The Ti(1)-O(20) bond length is 1.96 Å. The Ti(1)-O(4) bond length is 1.93 Å. The Ti(1)-O(8) bond length is 1.94 Å. In the second Ti site, Ti(2) is bonded to one O(1), one O(13), one O(15), one O(21), one O(22), and one O(5) atom to form TiO6 octahedra that share corners with two equivalent Ti(3)O6 octahedra, corners with two equivalent Ti(4)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra, and  a faceface with one Ca(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Ti(2)-O(1) bond length is 1.95 Å. The Ti(2)-O(13) bond length is 1.97 Å. The Ti(2)-O(15) bond length is 1.93 Å. The Ti(2)-O(21) bond length is 1.96 Å. The Ti(2)-O(22) bond length is 1.94 Å. The Ti(2)-O(5) bond length is 1.98 Å. In the third Ti site, Ti(3) is bonded to one O(14), one O(16), one O(2), one O(21), one O(22), and one O(6) atom to form TiO6 octahedra that share corners with two equivalent Ti(2)O6 octahedra, corners with two equivalent Ti(5)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra, and  a faceface with one Ca(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Ti(3)-O(14) bond length is 1.97 Å. The Ti(3)-O(16) bond length is 1.93 Å. The Ti(3)-O(2) bond length is 1.96 Å. The Ti(3)-O(21) bond length is 1.96 Å. The Ti(3)-O(22) bond length is 1.95 Å. The Ti(3)-O(6) bond length is 1.98 Å. In the fourth Ti site, Ti(4) is bonded to one O(13), one O(15), one O(23), one O(24), one O(3), and one O(7) atom to form TiO6 octahedra that share corners with two equivalent Ti(2)O6 octahedra, corners with two equivalent Ti(5)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra, and  a faceface with one Ca(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. The Ti(4)-O(13) bond length is 1.97 Å. The Ti(4)-O(15) bond length is 1.93 Å. The Ti(4)-O(23) bond length is 1.96 Å. The Ti(4)-O(24) bond length is 1.94 Å. The Ti(4)-O(3) bond length is 1.95 Å. The Ti(4)-O(7) bond length is 1.98 Å. In the fifth Ti site, Ti(5) is bonded to one O(14), one O(16), one O(23), one O(24), one O(4), and one O(8) atom to form TiO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, corners with two equivalent Ti(3)O6 octahedra, corners with two equivalent Ti(4)O6 octahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra, and  a faceface with one Ca(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. The Ti(5)-O(14) bond length is 1.97 Å. The Ti(5)-O(16) bond length is 1.93 Å. The Ti(5)-O(23) bond length is 1.96 Å. The Ti(5)-O(24) bond length is 1.95 Å. The Ti(5)-O(4) bond length is 1.94 Å. The Ti(5)-O(8) bond length is 1.96 Å. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(11), one O(17), one O(18), one O(5), and one O(9) atom to form MnO6 octahedra that share corners with two equivalent Ti(2)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra, and  a faceface with one Ca(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-3°. The Mn(1)-O(1) bond length is 1.92 Å. The Mn(1)-O(11) bond length is 1.94 Å. The Mn(1)-O(17) bond length is 1.96 Å. The Mn(1)-O(18) bond length is 1.95 Å. The Mn(1)-O(5) bond length is 1.92 Å. The Mn(1)-O(9) bond length is 1.97 Å. In the second Mn site, Mn(2) is bonded to one O(10), one O(12), one O(17), one O(18), one O(2), and one O(6) 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 Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra, and  a faceface with one Ca(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-3°. The Mn(2)-O(10) bond length is 1.93 Å. The Mn(2)-O(12) bond length is 1.92 Å. The Mn(2)-O(17) bond length is 1.95 Å. The Mn(2)-O(18) bond length is 1.94 Å. The Mn(2)-O(2) bond length is 1.91 Å. The Mn(2)-O(6) bond length is 1.92 Å. In the third Mn site, Mn(3) is bonded to one O(11), one O(19), one O(20), one O(3), one O(7), and one O(9) atom to form MnO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, corners with two equivalent Ti(4)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra, and  a faceface with one Ca(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-3°. The Mn(3)-O(11) bond length is 1.93 Å. The Mn(3)-O(19) bond length is 1.93 Å. The Mn(3)-O(20) bond length is 1.93 Å. The Mn(3)-O(3) bond length is 1.91 Å. The Mn(3)-O(7) bond length is 1.92 Å. The Mn(3)-O(9) bond length is 1.96 Å. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Ca(1), one Ca(2), one Ti(2), and one Mn(1) atom. In the second O site, O(2) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Ca(1), one Ca(2), one Ti(3), and one Mn(2) atom. In the third O site, O(3) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Ca(1), one Ca(2), one Ti(4), and one Mn(3) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Ca(1), one Ca(2), one Ti(1), and one Ti(5) atom. In the fifth O site, O(5) is bonded in a distorted linear geometry to one Sr(3), one Sr(4), one Sr(5), one Ca(3), one Ti(2), and one Mn(1) atom. In the sixth O site, O(6) is bonded in a distorted linear geometry to one Sr(3), one Sr(4), one Sr(5), one Ca(3), one Ti(3), and one Mn(2) atom. In the seventh O site, O(7) is bonded in a distorted linear geometry to one Sr(3), one Sr(4), one Sr(5), one Ca(3), one Ti(4), and one Mn(3) atom. In the eighth O site, O(8) is bonded in a distorted linear geometry to one Sr(3), one Sr(4), one Sr(5), one Ca(3), one Ti(1), and one Ti(5) atom. In the ninth O site, O(9) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Mn(1), and one Mn(3) atom to form distorted OSr4Mn2 octahedra that share edges with two equivalent O(10)Sr4TiMn octahedra,  a faceface with one O(18)Sr2Ca2Mn2 octahedra,  a faceface with one O(17)Sr3CaMn2 octahedra, and  a faceface with one O(19)Sr3CaTiMn octahedra. In the tenth O site, O(10) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Ti(1), and one Mn(2) atom to form distorted OSr4TiMn octahedra that share edges with two equivalent O(9)Sr4Mn2 octahedra,  a faceface with one O(18)Sr2Ca2Mn2 octahedra,  a faceface with one O(17)Sr3CaMn2 octahedra, and  a faceface with one O(19)Sr3CaTiMn octahedra. In the eleventh O site, O(11) is bonded in a distorted linear geometry to one Sr(5), one Ca(1), one Ca(2), one Ca(3), one Mn(1), and one Mn(3) atom. In the twelfth O site, O(12) is bonded in a distorted linear geometry to one Sr(5), one Ca(1), one Ca(2), one Ca(3), one Ti(1), and one Mn(2) atom. In the thirteenth O site, O(13) 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(4) atom. In the fourteenth O site, O(14) 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(5) atom. In the fifteenth O site, O(15) is bonded in a distorted linear geometry to one Sr(5), one Ca(1), one Ca(2), one Ca(3), one Ti(2), and one Ti(4) atom. In the sixteenth O site, O(16) is bonded in a distorted linear geometry to one Sr(5), one Ca(1), one Ca(2), one Ca(3), one Ti(3), and one Ti(5) atom. In the seventeenth O site, O(17) is bonded to one Sr(1), one Sr(3), one Sr(5), one Ca(1), one Mn(1), and one Mn(2) atom to form distorted OSr3CaMn2 octahedra that share corners with two equivalent O(18)Sr2Ca2Mn2 octahedra, edges with two equivalent O(19)Sr3CaTiMn octahedra,  a faceface with one O(9)Sr4Mn2 octahedra, and  a faceface with one O(10)Sr4TiMn octahedra. The corner-sharing octahedral tilt angles are 3°. In the eighteenth O site, O(18) is bonded to one Sr(2), one Sr(4), one Ca(2), one Ca(3), one Mn(1), and one Mn(2) atom to form distorted OSr2Ca2Mn2 octahedra that share corners with two equivalent O(17)Sr3CaMn2 octahedra,  a faceface with one O(9)Sr4Mn2 octahedra, and  a faceface with one O(10)Sr4TiMn octahedra. The corner-sharing octahedral tilt angles are 3°. In the nineteenth O site, O(19) is bonded to one Sr(1), one Sr(3), one Sr(5), one Ca(1), one Ti(1), and one Mn(3) atom to form distorted OSr3CaTiMn octahedra that share edges with two equivalent O(17)Sr3CaMn2 octahedra,  a faceface with one O(9)Sr4Mn2 octahedra, and  a faceface with one O(10)Sr4TiMn octahedra. In the twentieth O site, O(20) is bonded in a distorted linear geometry to one Sr(2), one Sr(4), one Ca(2), one Ca(3), one Ti(1), and one Mn(3) atom. In the twenty-first O site, O(21) is bonded in a distorted linear geometry to one Sr(1), one Sr(3), one Sr(5), one Ca(1), one Ti(2), and one Ti(3) atom. In the twenty-second O site, O(22) is bonded in a distorted linear geometry to one Sr(2), one Sr(4), one Ca(2), one Ca(3), one Ti(2), and one Ti(3) atom. In the twenty-third O site, O(23) is bonded in a distorted linear geometry to one Sr(1), one Sr(3), one Sr(5), one Ca(1), one Ti(4), and one Ti(5) atom. In the twenty-fourth O site, O(24) is bonded in a distorted linear geometry to one Sr(2), one Sr(4), one Ca(2), one Ca(3), one Ti(4), and one Ti(5) atom.