SrCa7Ti2Mn6O22 is Orthorhombic Perovskite-derived structured and crystallizes in the triclinic P1 space group. Sr(1) is bonded in a 10-coordinate geometry to one O(10), one O(15), one O(16), one O(19), one O(2), one O(20), one O(4), one O(7), one O(8), and one O(9) atom. There are seven inequivalent Ca sites. In the first Ca site, Ca(1) is bonded in a 8-coordinate geometry to one O(10), one O(15), one O(16), one O(19), one O(20), one O(7), one O(8), and one O(9) atom. In the second Ca site, Ca(2) is bonded in a 10-coordinate geometry to one O(10), one O(17), one O(18), one O(2), one O(21), one O(22), one O(4), one O(7), one O(8), and one O(9) atom. In the third Ca site, Ca(3) is bonded in a 10-coordinate geometry to one O(1), one O(10), one O(18), one O(22), one O(3), one O(5), one O(6), one O(7), one O(8), and one O(9) atom. In the fourth Ca site, Ca(4) is bonded in a 10-coordinate geometry to one O(11), one O(12), one O(13), one O(14), one O(15), one O(16), one O(19), one O(2), one O(20), and one O(4) atom. In the fifth Ca site, Ca(5) is bonded in a 10-coordinate geometry to one O(1), one O(12), one O(14), one O(15), one O(16), one O(19), one O(20), one O(3), one O(5), and one O(6) atom. In the sixth Ca site, Ca(6) is bonded in a body-centered cubic geometry to one O(11), one O(12), one O(13), one O(14), one O(17), one O(18), one O(21), and one O(22) atom. In the seventh Ca site, Ca(7) is bonded in a 8-coordinate geometry to one O(1), one O(12), one O(14), one O(18), one O(22), one O(3), one O(5), and one O(6) atom. There are two inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(1), one O(11), one O(15), one O(17), and one O(7) atom to form TiO5 trigonal bipyramids that share corners with two equivalent Ti(2)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, and  a cornercorner with one Mn(1)O5 square pyramid. The corner-sharing octahedral tilt angles range from 5-32°. In the second Ti site, Ti(2) is bonded to one O(11), one O(19), one O(21), one O(4), one O(5), and one O(7) atom to form TiO6 octahedra that share corners with two equivalent Mn(4)O6 octahedra, corners with two equivalent Mn(5)O5 square pyramids, and corners with two equivalent Ti(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 18-21°. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(12), one O(16), one O(18), and one O(8) atom to form MnO5 square pyramids that share corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra, and  a cornercorner with one Ti(1)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 13-21°. In the second Mn site, Mn(2) is bonded to one O(13), one O(15), one O(17), one O(2), one O(3), and one O(9) atom to form MnO6 octahedra that share corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Mn(5)O5 square pyramids, and corners with two equivalent Ti(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 19-22°. In the third Mn site, Mn(3) is bonded to one O(10), one O(14), one O(16), one O(18), one O(2), and one O(3) atom to form MnO6 octahedra that share corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Mn(1)O5 square pyramids, and corners with two equivalent Mn(6)O5 square pyramids. The corner-sharing octahedral tilt angles range from 19-22°. In the fourth Mn site, Mn(4) is bonded to one O(12), one O(20), one O(22), one O(4), one O(5), and one O(8) atom to form MnO6 octahedra that share corners with two equivalent Ti(2)O6 octahedra, corners with two equivalent Mn(1)O5 square pyramids, and corners with two equivalent Mn(6)O5 square pyramids. The corner-sharing octahedral tilt angles range from 18-21°. In the fifth Mn site, Mn(5) is bonded to one O(13), one O(19), one O(21), one O(6), and one O(9) atom to form MnO5 square pyramids that share corners with two equivalent Ti(2)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, and  a cornercorner with one Mn(6)O5 square pyramid. The corner-sharing octahedral tilt angles range from 4-30°. In the sixth Mn site, Mn(6) is bonded to one O(10), one O(14), one O(20), one O(22), and one O(6) atom to form MnO5 square pyramids that share corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra, and  a cornercorner with one Mn(5)O5 square pyramid. The corner-sharing octahedral tilt angles range from 10-22°. There are twenty-two inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Ca(3), one Ca(5), one Ca(7), one Ti(1), and one Mn(1) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Sr(1), one Ca(2), one Ca(4), one Mn(2), and one Mn(3) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Ca(3), one Ca(5), one Ca(7), one Mn(2), and one Mn(3) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Sr(1), one Ca(2), one Ca(4), one Ti(2), and one Mn(4) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Ca(3), one Ca(5), one Ca(7), one Ti(2), and one Mn(4) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Ca(3), one Ca(5), one Ca(7), one Mn(5), and one Mn(6) atom. In the seventh O site, O(7) is bonded to one Sr(1), one Ca(1), one Ca(2), one Ca(3), one Ti(1), and one Ti(2) atom to form distorted OSrCa3Ti2 octahedra that share corners with two equivalent O(11)Ca2Ti2 tetrahedra, edges with two equivalent O(9)SrCa3Mn2 octahedra, and  a faceface with one O(15)SrCa3TiMn octahedra. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Sr(1), one Ca(1), one Ca(2), one Ca(3), one Mn(1), and one Mn(4) atom. In the ninth O site, O(9) is bonded to one Sr(1), one Ca(1), one Ca(2), one Ca(3), one Mn(2), and one Mn(5) atom to form distorted OSrCa3Mn2 octahedra that share edges with two equivalent O(7)SrCa3Ti2 octahedra and  a faceface with one O(15)SrCa3TiMn octahedra. In the tenth O site, O(10) is bonded in a 6-coordinate geometry to one Sr(1), one Ca(1), one Ca(2), one Ca(3), one Mn(3), and one Mn(6) atom. In the eleventh O site, O(11) is bonded to one Ca(4), one Ca(6), one Ti(1), and one Ti(2) atom to form distorted OCa2Ti2 tetrahedra that share corners with two equivalent O(14)Ca4Mn2 octahedra, corners with two equivalent O(7)SrCa3Ti2 octahedra, and  an edgeedge with one O(15)SrCa3TiMn octahedra. The corner-sharing octahedral tilt angles range from 4-25°. In the twelfth O site, O(12) is bonded in a 6-coordinate geometry to one Ca(4), one Ca(5), one Ca(6), one Ca(7), one Mn(1), and one Mn(4) atom. In the thirteenth O site, O(13) is bonded in a 4-coordinate geometry to one Ca(4), one Ca(6), one Mn(2), and one Mn(5) atom. In the fourteenth O site, O(14) is bonded to one Ca(4), one Ca(5), one Ca(6), one Ca(7), one Mn(3), and one Mn(6) atom to form distorted OCa4Mn2 octahedra that share corners with two equivalent O(15)SrCa3TiMn octahedra and corners with two equivalent O(11)Ca2Ti2 tetrahedra. The corner-sharing octahedral tilt angles range from 54-59°. In the fifteenth O site, O(15) is bonded to one Sr(1), one Ca(1), one Ca(4), one Ca(5), one Ti(1), and one Mn(2) atom to form distorted OSrCa3TiMn octahedra that share corners with two equivalent O(14)Ca4Mn2 octahedra,  an edgeedge with one O(11)Ca2Ti2 tetrahedra,  a faceface with one O(9)SrCa3Mn2 octahedra, and  a faceface with one O(7)SrCa3Ti2 octahedra. The corner-sharing octahedral tilt angles range from 54-59°. In the sixteenth O site, O(16) is bonded in a 6-coordinate geometry to one Sr(1), one Ca(1), one Ca(4), one Ca(5), one Mn(1), and one Mn(3) atom. In the seventeenth O site, O(17) is bonded in a distorted see-saw-like geometry to one Ca(2), one Ca(6), one Ti(1), and one Mn(2) atom. In the eighteenth O site, O(18) is bonded in a 6-coordinate geometry to one Ca(2), one Ca(3), one Ca(6), one Ca(7), one Mn(1), and one Mn(3) atom. In the nineteenth O site, O(19) is bonded in a 2-coordinate geometry to one Sr(1), one Ca(1), one Ca(4), one Ca(5), one Ti(2), and one Mn(5) atom. In the twentieth O site, O(20) is bonded in a 6-coordinate geometry to one Sr(1), one Ca(1), one Ca(4), one Ca(5), one Mn(4), and one Mn(6) atom. In the twenty-first O site, O(21) is bonded in a 4-coordinate geometry to one Ca(2), one Ca(6), one Ti(2), and one Mn(5) atom. In the twenty-second O site, O(22) is bonded in a 6-coordinate geometry to one Ca(2), one Ca(3), one Ca(6), one Ca(7), one Mn(4), and one Mn(6) atom.
SrCa7Ti2Mn6O22 is Orthorhombic Perovskite-derived structured and crystallizes in the triclinic P1 space group. Sr(1) is bonded in a 10-coordinate geometry to one O(10), one O(15), one O(16), one O(19), one O(2), one O(20), one O(4), one O(7), one O(8), and one O(9) atom. The Sr(1)-O(10) bond length is 2.92 Å. The Sr(1)-O(15) bond length is 2.77 Å. The Sr(1)-O(16) bond length is 2.98 Å. The Sr(1)-O(19) bond length is 2.71 Å. The Sr(1)-O(2) bond length is 2.41 Å. The Sr(1)-O(20) bond length is 2.94 Å. The Sr(1)-O(4) bond length is 2.44 Å. The Sr(1)-O(7) bond length is 2.69 Å. The Sr(1)-O(8) bond length is 3.00 Å. The Sr(1)-O(9) bond length is 2.73 Å. There are seven inequivalent Ca sites. In the first Ca site, Ca(1) is bonded in a 8-coordinate geometry to one O(10), one O(15), one O(16), one O(19), one O(20), one O(7), one O(8), and one O(9) atom. The Ca(1)-O(10) bond length is 2.46 Å. The Ca(1)-O(15) bond length is 2.73 Å. The Ca(1)-O(16) bond length is 2.52 Å. The Ca(1)-O(19) bond length is 2.71 Å. The Ca(1)-O(20) bond length is 2.53 Å. The Ca(1)-O(7) bond length is 2.92 Å. The Ca(1)-O(8) bond length is 2.50 Å. The Ca(1)-O(9) bond length is 2.77 Å. In the second Ca site, Ca(2) is bonded in a 10-coordinate geometry to one O(10), one O(17), one O(18), one O(2), one O(21), one O(22), one O(4), one O(7), one O(8), and one O(9) atom. The Ca(2)-O(10) bond length is 2.91 Å. The Ca(2)-O(17) bond length is 2.40 Å. The Ca(2)-O(18) bond length is 2.52 Å. The Ca(2)-O(2) bond length is 2.74 Å. The Ca(2)-O(21) bond length is 2.42 Å. The Ca(2)-O(22) bond length is 2.58 Å. The Ca(2)-O(4) bond length is 2.79 Å. The Ca(2)-O(7) bond length is 2.60 Å. The Ca(2)-O(8) bond length is 3.06 Å. The Ca(2)-O(9) bond length is 2.58 Å. In the third Ca site, Ca(3) is bonded in a 10-coordinate geometry to one O(1), one O(10), one O(18), one O(22), one O(3), one O(5), one O(6), one O(7), one O(8), and one O(9) atom. The Ca(3)-O(1) bond length is 2.81 Å. The Ca(3)-O(10) bond length is 2.43 Å. The Ca(3)-O(18) bond length is 2.83 Å. The Ca(3)-O(22) bond length is 2.82 Å. The Ca(3)-O(3) bond length is 2.73 Å. The Ca(3)-O(5) bond length is 2.76 Å. The Ca(3)-O(6) bond length is 2.75 Å. The Ca(3)-O(7) bond length is 2.86 Å. The Ca(3)-O(8) bond length is 2.46 Å. The Ca(3)-O(9) bond length is 2.73 Å. In the fourth Ca site, Ca(4) is bonded in a 10-coordinate geometry to one O(11), one O(12), one O(13), one O(14), one O(15), one O(16), one O(19), one O(2), one O(20), and one O(4) atom. The Ca(4)-O(11) bond length is 2.39 Å. The Ca(4)-O(12) bond length is 2.53 Å. The Ca(4)-O(13) bond length is 2.34 Å. The Ca(4)-O(14) bond length is 2.50 Å. The Ca(4)-O(15) bond length is 2.80 Å. The Ca(4)-O(16) bond length is 2.85 Å. The Ca(4)-O(19) bond length is 2.86 Å. The Ca(4)-O(2) bond length is 2.66 Å. The Ca(4)-O(20) bond length is 2.87 Å. The Ca(4)-O(4) bond length is 2.79 Å. In the fifth Ca site, Ca(5) is bonded in a 10-coordinate geometry to one O(1), one O(12), one O(14), one O(15), one O(16), one O(19), one O(20), one O(3), one O(5), and one O(6) atom. The Ca(5)-O(1) bond length is 2.90 Å. The Ca(5)-O(12) bond length is 2.84 Å. The Ca(5)-O(14) bond length is 2.67 Å. The Ca(5)-O(15) bond length is 2.78 Å. The Ca(5)-O(16) bond length is 2.43 Å. The Ca(5)-O(19) bond length is 2.83 Å. The Ca(5)-O(20) bond length is 2.47 Å. The Ca(5)-O(3) bond length is 2.66 Å. The Ca(5)-O(5) bond length is 2.89 Å. The Ca(5)-O(6) bond length is 2.71 Å. In the sixth Ca site, Ca(6) is bonded in a body-centered cubic geometry to one O(11), one O(12), one O(13), one O(14), one O(17), one O(18), one O(21), and one O(22) atom. The Ca(6)-O(11) bond length is 2.45 Å. The Ca(6)-O(12) bond length is 2.56 Å. The Ca(6)-O(13) bond length is 2.43 Å. The Ca(6)-O(14) bond length is 2.52 Å. The Ca(6)-O(17) bond length is 2.41 Å. The Ca(6)-O(18) bond length is 2.53 Å. The Ca(6)-O(21) bond length is 2.44 Å. The Ca(6)-O(22) bond length is 2.52 Å. In the seventh Ca site, Ca(7) is bonded in a 8-coordinate geometry to one O(1), one O(12), one O(14), one O(18), one O(22), one O(3), one O(5), and one O(6) atom. The Ca(7)-O(1) bond length is 2.32 Å. The Ca(7)-O(12) bond length is 2.66 Å. The Ca(7)-O(14) bond length is 2.61 Å. The Ca(7)-O(18) bond length is 2.72 Å. The Ca(7)-O(22) bond length is 2.70 Å. The Ca(7)-O(3) bond length is 2.40 Å. The Ca(7)-O(5) bond length is 2.46 Å. The Ca(7)-O(6) bond length is 2.33 Å. There are two inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(1), one O(11), one O(15), one O(17), and one O(7) atom to form TiO5 trigonal bipyramids that share corners with two equivalent Ti(2)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, and  a cornercorner with one Mn(1)O5 square pyramid. The corner-sharing octahedral tilt angles range from 5-32°. The Ti(1)-O(1) bond length is 1.76 Å. The Ti(1)-O(11) bond length is 1.94 Å. The Ti(1)-O(15) bond length is 1.97 Å. The Ti(1)-O(17) bond length is 1.92 Å. The Ti(1)-O(7) bond length is 1.94 Å. In the second Ti site, Ti(2) is bonded to one O(11), one O(19), one O(21), one O(4), one O(5), and one O(7) atom to form TiO6 octahedra that share corners with two equivalent Mn(4)O6 octahedra, corners with two equivalent Mn(5)O5 square pyramids, and corners with two equivalent Ti(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 18-21°. The Ti(2)-O(11) bond length is 1.98 Å. The Ti(2)-O(19) bond length is 1.99 Å. The Ti(2)-O(21) bond length is 1.96 Å. The Ti(2)-O(4) bond length is 1.96 Å. The Ti(2)-O(5) bond length is 1.94 Å. The Ti(2)-O(7) bond length is 2.08 Å. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(12), one O(16), one O(18), and one O(8) atom to form MnO5 square pyramids that share corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra, and  a cornercorner with one Ti(1)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 13-21°. The Mn(1)-O(1) bond length is 2.01 Å. The Mn(1)-O(12) bond length is 1.95 Å. The Mn(1)-O(16) bond length is 1.93 Å. The Mn(1)-O(18) bond length is 1.93 Å. The Mn(1)-O(8) bond length is 1.94 Å. In the second Mn site, Mn(2) is bonded to one O(13), one O(15), one O(17), one O(2), one O(3), and one O(9) atom to form MnO6 octahedra that share corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Mn(5)O5 square pyramids, and corners with two equivalent Ti(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 19-22°. The Mn(2)-O(13) bond length is 2.03 Å. The Mn(2)-O(15) bond length is 1.98 Å. The Mn(2)-O(17) bond length is 1.96 Å. The Mn(2)-O(2) bond length is 1.93 Å. The Mn(2)-O(3) bond length is 1.98 Å. The Mn(2)-O(9) bond length is 2.06 Å. In the third Mn site, Mn(3) is bonded to one O(10), one O(14), one O(16), one O(18), one O(2), and one O(3) atom to form MnO6 octahedra that share corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Mn(1)O5 square pyramids, and corners with two equivalent Mn(6)O5 square pyramids. The corner-sharing octahedral tilt angles range from 19-22°. The Mn(3)-O(10) bond length is 1.98 Å. The Mn(3)-O(14) bond length is 1.99 Å. The Mn(3)-O(16) bond length is 1.97 Å. The Mn(3)-O(18) bond length is 1.97 Å. The Mn(3)-O(2) bond length is 1.89 Å. The Mn(3)-O(3) bond length is 2.01 Å. In the fourth Mn site, Mn(4) is bonded to one O(12), one O(20), one O(22), one O(4), one O(5), and one O(8) atom to form MnO6 octahedra that share corners with two equivalent Ti(2)O6 octahedra, corners with two equivalent Mn(1)O5 square pyramids, and corners with two equivalent Mn(6)O5 square pyramids. The corner-sharing octahedral tilt angles range from 18-21°. The Mn(4)-O(12) bond length is 1.99 Å. The Mn(4)-O(20) bond length is 1.98 Å. The Mn(4)-O(22) bond length is 1.99 Å. The Mn(4)-O(4) bond length is 1.87 Å. The Mn(4)-O(5) bond length is 2.02 Å. The Mn(4)-O(8) bond length is 1.98 Å. In the fifth Mn site, Mn(5) is bonded to one O(13), one O(19), one O(21), one O(6), and one O(9) atom to form MnO5 square pyramids that share corners with two equivalent Ti(2)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, and  a cornercorner with one Mn(6)O5 square pyramid. The corner-sharing octahedral tilt angles range from 4-30°. The Mn(5)-O(13) bond length is 1.89 Å. The Mn(5)-O(19) bond length is 1.95 Å. The Mn(5)-O(21) bond length is 1.92 Å. The Mn(5)-O(6) bond length is 1.88 Å. The Mn(5)-O(9) bond length is 1.93 Å. In the sixth Mn site, Mn(6) is bonded to one O(10), one O(14), one O(20), one O(22), and one O(6) atom to form MnO5 square pyramids that share corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra, and  a cornercorner with one Mn(5)O5 square pyramid. The corner-sharing octahedral tilt angles range from 10-22°. The Mn(6)-O(10) bond length is 1.93 Å. The Mn(6)-O(14) bond length is 1.93 Å. The Mn(6)-O(20) bond length is 1.92 Å. The Mn(6)-O(22) bond length is 1.90 Å. The Mn(6)-O(6) bond length is 1.90 Å. There are twenty-two inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Ca(3), one Ca(5), one Ca(7), one Ti(1), and one Mn(1) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Sr(1), one Ca(2), one Ca(4), one Mn(2), and one Mn(3) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Ca(3), one Ca(5), one Ca(7), one Mn(2), and one Mn(3) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Sr(1), one Ca(2), one Ca(4), one Ti(2), and one Mn(4) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Ca(3), one Ca(5), one Ca(7), one Ti(2), and one Mn(4) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Ca(3), one Ca(5), one Ca(7), one Mn(5), and one Mn(6) atom. In the seventh O site, O(7) is bonded to one Sr(1), one Ca(1), one Ca(2), one Ca(3), one Ti(1), and one Ti(2) atom to form distorted OSrCa3Ti2 octahedra that share corners with two equivalent O(11)Ca2Ti2 tetrahedra, edges with two equivalent O(9)SrCa3Mn2 octahedra, and  a faceface with one O(15)SrCa3TiMn octahedra. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Sr(1), one Ca(1), one Ca(2), one Ca(3), one Mn(1), and one Mn(4) atom. In the ninth O site, O(9) is bonded to one Sr(1), one Ca(1), one Ca(2), one Ca(3), one Mn(2), and one Mn(5) atom to form distorted OSrCa3Mn2 octahedra that share edges with two equivalent O(7)SrCa3Ti2 octahedra and  a faceface with one O(15)SrCa3TiMn octahedra. In the tenth O site, O(10) is bonded in a 6-coordinate geometry to one Sr(1), one Ca(1), one Ca(2), one Ca(3), one Mn(3), and one Mn(6) atom. In the eleventh O site, O(11) is bonded to one Ca(4), one Ca(6), one Ti(1), and one Ti(2) atom to form distorted OCa2Ti2 tetrahedra that share corners with two equivalent O(14)Ca4Mn2 octahedra, corners with two equivalent O(7)SrCa3Ti2 octahedra, and  an edgeedge with one O(15)SrCa3TiMn octahedra. The corner-sharing octahedral tilt angles range from 4-25°. In the twelfth O site, O(12) is bonded in a 6-coordinate geometry to one Ca(4), one Ca(5), one Ca(6), one Ca(7), one Mn(1), and one Mn(4) atom. In the thirteenth O site, O(13) is bonded in a 4-coordinate geometry to one Ca(4), one Ca(6), one Mn(2), and one Mn(5) atom. In the fourteenth O site, O(14) is bonded to one Ca(4), one Ca(5), one Ca(6), one Ca(7), one Mn(3), and one Mn(6) atom to form distorted OCa4Mn2 octahedra that share corners with two equivalent O(15)SrCa3TiMn octahedra and corners with two equivalent O(11)Ca2Ti2 tetrahedra. The corner-sharing octahedral tilt angles range from 54-59°. In the fifteenth O site, O(15) is bonded to one Sr(1), one Ca(1), one Ca(4), one Ca(5), one Ti(1), and one Mn(2) atom to form distorted OSrCa3TiMn octahedra that share corners with two equivalent O(14)Ca4Mn2 octahedra,  an edgeedge with one O(11)Ca2Ti2 tetrahedra,  a faceface with one O(9)SrCa3Mn2 octahedra, and  a faceface with one O(7)SrCa3Ti2 octahedra. The corner-sharing octahedral tilt angles range from 54-59°. In the sixteenth O site, O(16) is bonded in a 6-coordinate geometry to one Sr(1), one Ca(1), one Ca(4), one Ca(5), one Mn(1), and one Mn(3) atom. In the seventeenth O site, O(17) is bonded in a distorted see-saw-like geometry to one Ca(2), one Ca(6), one Ti(1), and one Mn(2) atom. In the eighteenth O site, O(18) is bonded in a 6-coordinate geometry to one Ca(2), one Ca(3), one Ca(6), one Ca(7), one Mn(1), and one Mn(3) atom. In the nineteenth O site, O(19) is bonded in a 2-coordinate geometry to one Sr(1), one Ca(1), one Ca(4), one Ca(5), one Ti(2), and one Mn(5) atom. In the twentieth O site, O(20) is bonded in a 6-coordinate geometry to one Sr(1), one Ca(1), one Ca(4), one Ca(5), one Mn(4), and one Mn(6) atom. In the twenty-first O site, O(21) is bonded in a 4-coordinate geometry to one Ca(2), one Ca(6), one Ti(2), and one Mn(5) atom. In the twenty-second O site, O(22) is bonded in a 6-coordinate geometry to one Ca(2), one Ca(3), one Ca(6), one Ca(7), one Mn(4), and one Mn(6) atom.