SrCa7Ti2Mn6O24 is (Cubic) Perovskite-derived structured and crystallizes in the orthorhombic Amm2 space group. Sr(1) is bonded to one O(5), one O(7), two equivalent O(6), four equivalent O(1), and four equivalent O(3) atoms to form SrO12 cuboctahedra that share corners with four equivalent Ca(2)O12 cuboctahedra, corners with eight equivalent Ca(4)O12 cuboctahedra, faces with two equivalent Ca(3)O12 cuboctahedra, faces with four equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Ti(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, and faces with four equivalent Mn(1)O6 octahedra. There are five inequivalent Ca sites. In the first Ca site, Ca(1) is bonded to one O(5), one O(7), two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), and two equivalent O(6) atoms to form CaO12 cuboctahedra that share corners with four equivalent Ca(1)O12 cuboctahedra, corners with four equivalent Ca(3)O12 cuboctahedra, corners with four equivalent Ca(5)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Ca(2)O12 cuboctahedra, faces with two equivalent Ca(4)O12 cuboctahedra, faces with two equivalent Ti(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, and faces with four equivalent Mn(1)O6 octahedra. In the second Ca site, Ca(2) is bonded to one O(5), one O(7), two equivalent O(6), four equivalent O(2), and four equivalent O(4) atoms to form CaO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with eight equivalent Ca(4)O12 cuboctahedra, faces with two equivalent Ca(5)O12 cuboctahedra, faces with four equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Ti(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, and faces with four equivalent Mn(1)O6 octahedra. In the third Ca site, Ca(3) is bonded to one O(10), one O(8), two equivalent O(9), four equivalent O(1), and four equivalent O(3) atoms to form CaO12 cuboctahedra that share corners with four equivalent Ca(5)O12 cuboctahedra, corners with eight equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with four equivalent Ca(4)O12 cuboctahedra, faces with two equivalent Ti(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, and faces with four equivalent Mn(1)O6 octahedra. In the fourth Ca site, Ca(4) is bonded to one O(10), one O(8), two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), and two equivalent O(9) atoms to form CaO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Ca(2)O12 cuboctahedra, corners with four equivalent Ca(4)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Ca(3)O12 cuboctahedra, faces with two equivalent Ca(5)O12 cuboctahedra, faces with two equivalent Ti(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, and faces with four equivalent Mn(1)O6 octahedra. In the fifth Ca site, Ca(5) is bonded to one O(10), one O(8), two equivalent O(9), four equivalent O(2), and four equivalent O(4) atoms to form CaO12 cuboctahedra that share corners with four equivalent Ca(3)O12 cuboctahedra, corners with eight equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Ca(2)O12 cuboctahedra, faces with four equivalent Ca(4)O12 cuboctahedra, faces with two equivalent Ti(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, and faces with four equivalent Mn(1)O6 octahedra. Ti(1) is bonded to one O(5), one O(8), two equivalent O(1), and two equivalent O(2) atoms to form TiO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra,  a faceface with one Ca(5)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, and faces with two equivalent Ca(4)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(2), one O(3), one O(4), one O(6), and one O(9) atom to form MnO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra,  a faceface with one Ca(5)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, and faces with two equivalent Ca(4)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the second Mn site, Mn(2) is bonded to one O(10), one O(7), two equivalent O(3), and two equivalent O(4) atoms to form MnO6 octahedra that share corners with two equivalent Mn(2)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra,  a faceface with one Ca(5)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, and faces with two equivalent Ca(4)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one Sr(1), one Ca(1), one Ca(3), one Ca(4), one Ti(1), and one Mn(1) atom. In the second O site, O(2) is bonded in a distorted linear geometry to one Ca(1), one Ca(2), one Ca(4), one Ca(5), one Ti(1), and one Mn(1) atom. In the third O site, O(3) is bonded in a distorted linear geometry to one Sr(1), one Ca(1), one Ca(3), one Ca(4), one Mn(1), and one Mn(2) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Ca(1), one Ca(2), one Ca(4), one Ca(5), one Mn(1), and one Mn(2) atom. In the fifth O site, O(5) is bonded in a distorted linear geometry to one Sr(1), one Ca(2), two equivalent Ca(1), and two equivalent Ti(1) atoms. In the sixth O site, O(6) is bonded in a distorted linear geometry to one Sr(1), one Ca(2), two equivalent Ca(1), and two equivalent Mn(1) atoms. In the seventh O site, O(7) is bonded to one Sr(1), one Ca(2), two equivalent Ca(1), and two equivalent Mn(2) atoms to form distorted corner-sharing OSrCa3Mn2 octahedra. The corner-sharing octahedral tilt angles are 1°. In the eighth O site, O(8) is bonded in a distorted linear geometry to one Ca(3), one Ca(5), two equivalent Ca(4), and two equivalent Ti(1) atoms. In the ninth O site, O(9) is bonded in a distorted linear geometry to one Ca(3), one Ca(5), two equivalent Ca(4), and two equivalent Mn(1) atoms. In the tenth O site, O(10) is bonded to one Ca(3), one Ca(5), two equivalent Ca(4), and two equivalent Mn(2) atoms to form distorted corner-sharing OCa4Mn2 octahedra. The corner-sharing octahedral tilt angles are 1°.
SrCa7Ti2Mn6O24 is (Cubic) Perovskite-derived structured and crystallizes in the orthorhombic Amm2 space group. Sr(1) is bonded to one O(5), one O(7), two equivalent O(6), four equivalent O(1), and four equivalent O(3) atoms to form SrO12 cuboctahedra that share corners with four equivalent Ca(2)O12 cuboctahedra, corners with eight equivalent Ca(4)O12 cuboctahedra, faces with two equivalent Ca(3)O12 cuboctahedra, faces with four equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Ti(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, and faces with four equivalent Mn(1)O6 octahedra. The Sr(1)-O(5) bond length is 2.76 Å. The Sr(1)-O(7) bond length is 2.71 Å. Both Sr(1)-O(6) bond lengths are 2.74 Å. All Sr(1)-O(1) bond lengths are 2.75 Å. All Sr(1)-O(3) bond lengths are 2.73 Å. There are five inequivalent Ca sites. In the first Ca site, Ca(1) is bonded to one O(5), one O(7), two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), and two equivalent O(6) atoms to form CaO12 cuboctahedra that share corners with four equivalent Ca(1)O12 cuboctahedra, corners with four equivalent Ca(3)O12 cuboctahedra, corners with four equivalent Ca(5)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Ca(2)O12 cuboctahedra, faces with two equivalent Ca(4)O12 cuboctahedra, faces with two equivalent Ti(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, and faces with four equivalent Mn(1)O6 octahedra. The Ca(1)-O(5) bond length is 2.74 Å. The Ca(1)-O(7) bond length is 2.67 Å. Both Ca(1)-O(1) bond lengths are 2.73 Å. Both Ca(1)-O(2) bond lengths are 2.74 Å. Both Ca(1)-O(3) bond lengths are 2.70 Å. Both Ca(1)-O(4) bond lengths are 2.70 Å. Both Ca(1)-O(6) bond lengths are 2.71 Å. In the second Ca site, Ca(2) is bonded to one O(5), one O(7), two equivalent O(6), four equivalent O(2), and four equivalent O(4) atoms to form CaO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with eight equivalent Ca(4)O12 cuboctahedra, faces with two equivalent Ca(5)O12 cuboctahedra, faces with four equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Ti(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, and faces with four equivalent Mn(1)O6 octahedra. The Ca(2)-O(5) bond length is 2.73 Å. The Ca(2)-O(7) bond length is 2.64 Å. Both Ca(2)-O(6) bond lengths are 2.68 Å. All Ca(2)-O(2) bond lengths are 2.73 Å. All Ca(2)-O(4) bond lengths are 2.70 Å. In the third Ca site, Ca(3) is bonded to one O(10), one O(8), two equivalent O(9), four equivalent O(1), and four equivalent O(3) atoms to form CaO12 cuboctahedra that share corners with four equivalent Ca(5)O12 cuboctahedra, corners with eight equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with four equivalent Ca(4)O12 cuboctahedra, faces with two equivalent Ti(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, and faces with four equivalent Mn(1)O6 octahedra. The Ca(3)-O(10) bond length is 2.67 Å. The Ca(3)-O(8) bond length is 2.75 Å. Both Ca(3)-O(9) bond lengths are 2.71 Å. All Ca(3)-O(1) bond lengths are 2.73 Å. All Ca(3)-O(3) bond lengths are 2.70 Å. In the fourth Ca site, Ca(4) is bonded to one O(10), one O(8), two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), and two equivalent O(9) atoms to form CaO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Ca(2)O12 cuboctahedra, corners with four equivalent Ca(4)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Ca(3)O12 cuboctahedra, faces with two equivalent Ca(5)O12 cuboctahedra, faces with two equivalent Ti(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, and faces with four equivalent Mn(1)O6 octahedra. The Ca(4)-O(10) bond length is 2.67 Å. The Ca(4)-O(8) bond length is 2.74 Å. Both Ca(4)-O(1) bond lengths are 2.71 Å. Both Ca(4)-O(2) bond lengths are 2.73 Å. Both Ca(4)-O(3) bond lengths are 2.67 Å. Both Ca(4)-O(4) bond lengths are 2.70 Å. Both Ca(4)-O(9) bond lengths are 2.71 Å. In the fifth Ca site, Ca(5) is bonded to one O(10), one O(8), two equivalent O(9), four equivalent O(2), and four equivalent O(4) atoms to form CaO12 cuboctahedra that share corners with four equivalent Ca(3)O12 cuboctahedra, corners with eight equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Ca(2)O12 cuboctahedra, faces with four equivalent Ca(4)O12 cuboctahedra, faces with two equivalent Ti(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, and faces with four equivalent Mn(1)O6 octahedra. The Ca(5)-O(10) bond length is 2.67 Å. The Ca(5)-O(8) bond length is 2.74 Å. Both Ca(5)-O(9) bond lengths are 2.70 Å. All Ca(5)-O(2) bond lengths are 2.73 Å. All Ca(5)-O(4) bond lengths are 2.69 Å. Ti(1) is bonded to one O(5), one O(8), two equivalent O(1), and two equivalent O(2) atoms to form TiO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra,  a faceface with one Ca(5)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, and faces with two equivalent Ca(4)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. The Ti(1)-O(5) bond length is 1.93 Å. The Ti(1)-O(8) bond length is 1.92 Å. Both Ti(1)-O(1) bond lengths are 1.95 Å. Both Ti(1)-O(2) bond lengths are 1.94 Å. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(6), and one O(9) atom to form MnO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra,  a faceface with one Ca(5)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, and faces with two equivalent Ca(4)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Mn(1)-O(1) bond length is 1.89 Å. The Mn(1)-O(2) bond length is 1.88 Å. The Mn(1)-O(3) bond length is 1.92 Å. The Mn(1)-O(4) bond length is 1.91 Å. The Mn(1)-O(6) bond length is 1.93 Å. The Mn(1)-O(9) bond length is 1.92 Å. In the second Mn site, Mn(2) is bonded to one O(10), one O(7), two equivalent O(3), and two equivalent O(4) atoms to form MnO6 octahedra that share corners with two equivalent Mn(2)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra,  a faceface with one Ca(5)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, and faces with two equivalent Ca(4)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. The Mn(2)-O(10) bond length is 1.92 Å. The Mn(2)-O(7) bond length is 1.93 Å. Both Mn(2)-O(3) bond lengths are 1.92 Å. Both Mn(2)-O(4) bond lengths are 1.91 Å. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one Sr(1), one Ca(1), one Ca(3), one Ca(4), one Ti(1), and one Mn(1) atom. In the second O site, O(2) is bonded in a distorted linear geometry to one Ca(1), one Ca(2), one Ca(4), one Ca(5), one Ti(1), and one Mn(1) atom. In the third O site, O(3) is bonded in a distorted linear geometry to one Sr(1), one Ca(1), one Ca(3), one Ca(4), one Mn(1), and one Mn(2) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Ca(1), one Ca(2), one Ca(4), one Ca(5), one Mn(1), and one Mn(2) atom. In the fifth O site, O(5) is bonded in a distorted linear geometry to one Sr(1), one Ca(2), two equivalent Ca(1), and two equivalent Ti(1) atoms. In the sixth O site, O(6) is bonded in a distorted linear geometry to one Sr(1), one Ca(2), two equivalent Ca(1), and two equivalent Mn(1) atoms. In the seventh O site, O(7) is bonded to one Sr(1), one Ca(2), two equivalent Ca(1), and two equivalent Mn(2) atoms to form distorted corner-sharing OSrCa3Mn2 octahedra. The corner-sharing octahedral tilt angles are 1°. In the eighth O site, O(8) is bonded in a distorted linear geometry to one Ca(3), one Ca(5), two equivalent Ca(4), and two equivalent Ti(1) atoms. In the ninth O site, O(9) is bonded in a distorted linear geometry to one Ca(3), one Ca(5), two equivalent Ca(4), and two equivalent Mn(1) atoms. In the tenth O site, O(10) is bonded to one Ca(3), one Ca(5), two equivalent Ca(4), and two equivalent Mn(2) atoms to form distorted corner-sharing OCa4Mn2 octahedra. The corner-sharing octahedral tilt angles are 1°.