Sr2Ca2Mn3FeO12 is (Cubic) Perovskite-derived structured and crystallizes in the monoclinic Pm space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(11), one O(13), one O(15), one O(9), two equivalent O(1), two equivalent O(2), two equivalent O(5), and two equivalent O(7) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(3)O12 cuboctahedra, corners with four equivalent Sr(4)O12 cuboctahedra, corners with four equivalent Ca(2)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, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Mn(3)O6 octahedra, and faces with two equivalent Fe(1)O6 octahedra. In the second Sr site, Sr(2) is bonded to one O(10), one O(12), one O(14), one O(16), two equivalent O(1), two equivalent O(2), two equivalent O(5), and two equivalent O(7) atoms to form SrO12 cuboctahedra that share corners with four equivalent Ca(1)O12 cuboctahedra, corners with four equivalent Ca(3)O12 cuboctahedra, corners with four equivalent Ca(4)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Ca(2)O12 cuboctahedra, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Mn(3)O6 octahedra, and faces with two equivalent Fe(1)O6 octahedra. In the third Sr site, Sr(3) is bonded to one O(10), one O(12), one O(14), one O(16), two equivalent O(3), two equivalent O(4), two equivalent O(5), and two equivalent O(7) 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 Ca(2)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Ca(3)O12 cuboctahedra, faces with two equivalent Ca(4)O12 cuboctahedra, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Mn(3)O6 octahedra, and faces with two equivalent Fe(1)O6 octahedra. In the fourth Sr site, Sr(4) is bonded to one O(11), one O(13), one O(15), one O(9), two equivalent O(3), two equivalent O(4), two equivalent O(6), and two equivalent O(8) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(3)O12 cuboctahedra, corners with four equivalent Ca(2)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Ca(3)O12 cuboctahedra, faces with two equivalent Ca(4)O12 cuboctahedra, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Mn(3)O6 octahedra, and faces with two equivalent Fe(1)O6 octahedra. There are four inequivalent Ca sites. In the first Ca site, Ca(1) is bonded to one O(11), one O(13), one O(15), one O(9), two equivalent O(1), two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms to form CaO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent Ca(3)O12 cuboctahedra, corners with four equivalent Ca(4)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, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Mn(3)O6 octahedra, and faces with two equivalent Fe(1)O6 octahedra. In the second Ca site, Ca(2) is bonded to one O(10), one O(12), one O(14), one O(16), two equivalent O(1), two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms to form CaO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(3)O12 cuboctahedra, corners with four equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Ca(4)O12 cuboctahedra, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Mn(3)O6 octahedra, and faces with two equivalent Fe(1)O6 octahedra. In the third Ca site, Ca(3) is bonded to one O(11), one O(13), one O(15), one O(9), two equivalent O(3), two equivalent O(4), two equivalent O(5), and two equivalent O(7) atoms to form CaO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent Ca(1)O12 cuboctahedra, corners with four equivalent Ca(4)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Mn(3)O6 octahedra, and faces with two equivalent Fe(1)O6 octahedra. In the fourth Ca site, Ca(4) is bonded to one O(10), one O(12), one O(14), one O(16), two equivalent O(3), two equivalent O(4), two equivalent O(6), and two equivalent O(8) atoms to form CaO12 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(3)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Ca(2)O12 cuboctahedra, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Mn(3)O6 octahedra, and faces with two equivalent Fe(1)O6 octahedra. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(11), one O(12), one O(2), one O(4), one O(5), and one O(6) atom to form MnO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Fe(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 Ca(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra, and  a faceface with one 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(1), one O(13), one O(14), one O(3), one O(7), and one O(8) atom to form MnO6 octahedra that share corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Fe(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 Ca(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra, and  a faceface with one Ca(4)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the third Mn site, Mn(3) is bonded to one O(15), one O(16), one O(2), one O(4), one O(7), and one O(8) atom to form MnO6 octahedra that share corners with two equivalent Mn(1)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 Ca(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra, and  a faceface with one Ca(4)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. Fe(1) is bonded to one O(1), one O(10), one O(3), one O(5), one O(6), and one O(9) atom to form FeO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Fe(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 Ca(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra, and  a faceface with one Ca(4)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. There are sixteen 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 Mn(2), and one Fe(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 Mn(1), and one Mn(3) atom. In the third O site, O(3) is bonded in a distorted linear geometry to one Sr(3), one Sr(4), one Ca(3), one Ca(4), one Mn(2), and one Fe(1) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Sr(3), one Sr(4), one Ca(3), one Ca(4), one Mn(1), and one Mn(3) atom. In the fifth O site, O(5) is bonded to one Sr(1), one Sr(2), one Sr(3), one Ca(3), one Mn(1), and one Fe(1) atom to form distorted edge-sharing OSr3CaMnFe octahedra. In the sixth O site, O(6) is bonded in a distorted linear geometry to one Sr(4), one Ca(1), one Ca(2), one Ca(4), one Mn(1), and one Fe(1) atom. In the seventh O site, O(7) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Sr(3), one Ca(3), one Mn(2), and one Mn(3) atom. In the eighth O site, O(8) is bonded in a distorted linear geometry to one Sr(4), one Ca(1), one Ca(2), one Ca(4), one Mn(2), and one Mn(3) atom. In the ninth O site, O(9) is bonded in a distorted linear geometry to one Sr(1), one Sr(4), one Ca(1), one Ca(3), and two equivalent Fe(1) atoms. In the tenth O site, O(10) is bonded in a distorted linear geometry to one Sr(2), one Sr(3), one Ca(2), one Ca(4), and two equivalent Fe(1) atoms. In the eleventh O site, O(11) is bonded in a distorted linear geometry to one Sr(1), one Sr(4), one Ca(1), one Ca(3), and two equivalent Mn(1) atoms. In the twelfth O site, O(12) is bonded in a distorted linear geometry to one Sr(2), one Sr(3), one Ca(2), one Ca(4), and two equivalent Mn(1) atoms. In the thirteenth O site, O(13) is bonded in a distorted linear geometry to one Sr(1), one Sr(4), one Ca(1), one Ca(3), and two equivalent Mn(2) atoms. In the fourteenth O site, O(14) is bonded in a distorted linear geometry to one Sr(2), one Sr(3), one Ca(2), one Ca(4), and two equivalent Mn(2) atoms. In the fifteenth O site, O(15) is bonded in a distorted linear geometry to one Sr(1), one Sr(4), one Ca(1), one Ca(3), and two equivalent Mn(3) atoms. In the sixteenth O site, O(16) is bonded in a distorted linear geometry to one Sr(2), one Sr(3), one Ca(2), one Ca(4), and two equivalent Mn(3) atoms.
Sr2Ca2Mn3FeO12 is (Cubic) Perovskite-derived structured and crystallizes in the monoclinic Pm space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(11), one O(13), one O(15), one O(9), two equivalent O(1), two equivalent O(2), two equivalent O(5), and two equivalent O(7) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(3)O12 cuboctahedra, corners with four equivalent Sr(4)O12 cuboctahedra, corners with four equivalent Ca(2)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, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Mn(3)O6 octahedra, and faces with two equivalent Fe(1)O6 octahedra. The Sr(1)-O(11) bond length is 2.74 Å. The Sr(1)-O(13) bond length is 2.74 Å. The Sr(1)-O(15) bond length is 2.73 Å. The Sr(1)-O(9) bond length is 2.74 Å. Both Sr(1)-O(1) bond lengths are 2.75 Å. Both Sr(1)-O(2) bond lengths are 2.75 Å. Both Sr(1)-O(5) bond lengths are 2.73 Å. Both Sr(1)-O(7) bond lengths are 2.72 Å. In the second Sr site, Sr(2) is bonded to one O(10), one O(12), one O(14), one O(16), two equivalent O(1), two equivalent O(2), two equivalent O(5), and two equivalent O(7) atoms to form SrO12 cuboctahedra that share corners with four equivalent Ca(1)O12 cuboctahedra, corners with four equivalent Ca(3)O12 cuboctahedra, corners with four equivalent Ca(4)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Ca(2)O12 cuboctahedra, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Mn(3)O6 octahedra, and faces with two equivalent Fe(1)O6 octahedra. The Sr(2)-O(10) bond length is 2.76 Å. The Sr(2)-O(12) bond length is 2.76 Å. The Sr(2)-O(14) bond length is 2.76 Å. The Sr(2)-O(16) bond length is 2.76 Å. Both Sr(2)-O(1) bond lengths are 2.75 Å. Both Sr(2)-O(2) bond lengths are 2.75 Å. Both Sr(2)-O(5) bond lengths are 2.75 Å. Both Sr(2)-O(7) bond lengths are 2.75 Å. In the third Sr site, Sr(3) is bonded to one O(10), one O(12), one O(14), one O(16), two equivalent O(3), two equivalent O(4), two equivalent O(5), and two equivalent O(7) 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 Ca(2)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Ca(3)O12 cuboctahedra, faces with two equivalent Ca(4)O12 cuboctahedra, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Mn(3)O6 octahedra, and faces with two equivalent Fe(1)O6 octahedra. The Sr(3)-O(10) bond length is 2.76 Å. The Sr(3)-O(12) bond length is 2.76 Å. The Sr(3)-O(14) bond length is 2.76 Å. The Sr(3)-O(16) bond length is 2.76 Å. Both Sr(3)-O(3) bond lengths are 2.73 Å. Both Sr(3)-O(4) bond lengths are 2.73 Å. Both Sr(3)-O(5) bond lengths are 2.73 Å. Both Sr(3)-O(7) bond lengths are 2.72 Å. In the fourth Sr site, Sr(4) is bonded to one O(11), one O(13), one O(15), one O(9), two equivalent O(3), two equivalent O(4), two equivalent O(6), and two equivalent O(8) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(3)O12 cuboctahedra, corners with four equivalent Ca(2)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Ca(3)O12 cuboctahedra, faces with two equivalent Ca(4)O12 cuboctahedra, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Mn(3)O6 octahedra, and faces with two equivalent Fe(1)O6 octahedra. The Sr(4)-O(11) bond length is 2.73 Å. The Sr(4)-O(13) bond length is 2.73 Å. The Sr(4)-O(15) bond length is 2.73 Å. The Sr(4)-O(9) bond length is 2.73 Å. Both Sr(4)-O(3) bond lengths are 2.72 Å. Both Sr(4)-O(4) bond lengths are 2.72 Å. Both Sr(4)-O(6) bond lengths are 2.75 Å. Both Sr(4)-O(8) bond lengths are 2.75 Å. There are four inequivalent Ca sites. In the first Ca site, Ca(1) is bonded to one O(11), one O(13), one O(15), one O(9), two equivalent O(1), two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms to form CaO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent Ca(3)O12 cuboctahedra, corners with four equivalent Ca(4)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, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Mn(3)O6 octahedra, and faces with two equivalent Fe(1)O6 octahedra. The Ca(1)-O(11) bond length is 2.73 Å. The Ca(1)-O(13) bond length is 2.73 Å. The Ca(1)-O(15) bond length is 2.73 Å. The Ca(1)-O(9) bond length is 2.74 Å. Both Ca(1)-O(1) bond lengths are 2.70 Å. Both Ca(1)-O(2) bond lengths are 2.70 Å. Both Ca(1)-O(6) bond lengths are 2.73 Å. Both Ca(1)-O(8) bond lengths are 2.72 Å. In the second Ca site, Ca(2) is bonded to one O(10), one O(12), one O(14), one O(16), two equivalent O(1), two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms to form CaO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(3)O12 cuboctahedra, corners with four equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Ca(4)O12 cuboctahedra, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Mn(3)O6 octahedra, and faces with two equivalent Fe(1)O6 octahedra. The Ca(2)-O(10) bond length is 2.72 Å. The Ca(2)-O(12) bond length is 2.71 Å. The Ca(2)-O(14) bond length is 2.71 Å. The Ca(2)-O(16) bond length is 2.70 Å. Both Ca(2)-O(1) bond lengths are 2.70 Å. Both Ca(2)-O(2) bond lengths are 2.70 Å. Both Ca(2)-O(6) bond lengths are 2.71 Å. Both Ca(2)-O(8) bond lengths are 2.70 Å. In the third Ca site, Ca(3) is bonded to one O(11), one O(13), one O(15), one O(9), two equivalent O(3), two equivalent O(4), two equivalent O(5), and two equivalent O(7) atoms to form CaO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent Ca(1)O12 cuboctahedra, corners with four equivalent Ca(4)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Mn(3)O6 octahedra, and faces with two equivalent Fe(1)O6 octahedra. The Ca(3)-O(11) bond length is 2.74 Å. The Ca(3)-O(13) bond length is 2.74 Å. The Ca(3)-O(15) bond length is 2.73 Å. The Ca(3)-O(9) bond length is 2.75 Å. Both Ca(3)-O(3) bond lengths are 2.73 Å. Both Ca(3)-O(4) bond lengths are 2.73 Å. Both Ca(3)-O(5) bond lengths are 2.71 Å. Both Ca(3)-O(7) bond lengths are 2.70 Å. In the fourth Ca site, Ca(4) is bonded to one O(10), one O(12), one O(14), one O(16), two equivalent O(3), two equivalent O(4), two equivalent O(6), and two equivalent O(8) atoms to form CaO12 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(3)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Ca(2)O12 cuboctahedra, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Mn(3)O6 octahedra, and faces with two equivalent Fe(1)O6 octahedra. The Ca(4)-O(10) bond length is 2.72 Å. The Ca(4)-O(12) bond length is 2.71 Å. The Ca(4)-O(14) bond length is 2.71 Å. The Ca(4)-O(16) bond length is 2.70 Å. Both Ca(4)-O(3) bond lengths are 2.72 Å. Both Ca(4)-O(4) bond lengths are 2.72 Å. Both Ca(4)-O(6) bond lengths are 2.73 Å. Both Ca(4)-O(8) bond lengths are 2.72 Å. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(11), one O(12), one O(2), one O(4), one O(5), and one O(6) atom to form MnO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Fe(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 Ca(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra, and  a faceface with one Ca(4)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Mn(1)-O(11) bond length is 1.92 Å. The Mn(1)-O(12) bond length is 1.92 Å. The Mn(1)-O(2) bond length is 1.94 Å. The Mn(1)-O(4) bond length is 1.94 Å. The Mn(1)-O(5) bond length is 1.91 Å. The Mn(1)-O(6) bond length is 1.90 Å. In the second Mn site, Mn(2) is bonded to one O(1), one O(13), one O(14), one O(3), one O(7), and one O(8) atom to form MnO6 octahedra that share corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Fe(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 Ca(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra, and  a faceface with one Ca(4)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Mn(2)-O(1) bond length is 1.91 Å. The Mn(2)-O(13) bond length is 1.92 Å. The Mn(2)-O(14) bond length is 1.92 Å. The Mn(2)-O(3) bond length is 1.90 Å. The Mn(2)-O(7) bond length is 1.95 Å. The Mn(2)-O(8) bond length is 1.93 Å. In the third Mn site, Mn(3) is bonded to one O(15), one O(16), one O(2), one O(4), one O(7), and one O(8) atom to form MnO6 octahedra that share corners with two equivalent Mn(1)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 Ca(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra, and  a faceface with one Ca(4)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Mn(3)-O(15) bond length is 1.92 Å. The Mn(3)-O(16) bond length is 1.92 Å. The Mn(3)-O(2) bond length is 1.93 Å. The Mn(3)-O(4) bond length is 1.93 Å. The Mn(3)-O(7) bond length is 1.94 Å. The Mn(3)-O(8) bond length is 1.92 Å. Fe(1) is bonded to one O(1), one O(10), one O(3), one O(5), one O(6), and one O(9) atom to form FeO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Fe(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 Ca(1)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra, and  a faceface with one Ca(4)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Fe(1)-O(1) bond length is 1.96 Å. The Fe(1)-O(10) bond length is 1.92 Å. The Fe(1)-O(3) bond length is 1.96 Å. The Fe(1)-O(5) bond length is 1.97 Å. The Fe(1)-O(6) bond length is 1.95 Å. The Fe(1)-O(9) bond length is 1.92 Å. There are sixteen 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 Mn(2), and one Fe(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 Mn(1), and one Mn(3) atom. In the third O site, O(3) is bonded in a distorted linear geometry to one Sr(3), one Sr(4), one Ca(3), one Ca(4), one Mn(2), and one Fe(1) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Sr(3), one Sr(4), one Ca(3), one Ca(4), one Mn(1), and one Mn(3) atom. In the fifth O site, O(5) is bonded to one Sr(1), one Sr(2), one Sr(3), one Ca(3), one Mn(1), and one Fe(1) atom to form distorted edge-sharing OSr3CaMnFe octahedra. In the sixth O site, O(6) is bonded in a distorted linear geometry to one Sr(4), one Ca(1), one Ca(2), one Ca(4), one Mn(1), and one Fe(1) atom. In the seventh O site, O(7) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Sr(3), one Ca(3), one Mn(2), and one Mn(3) atom. In the eighth O site, O(8) is bonded in a distorted linear geometry to one Sr(4), one Ca(1), one Ca(2), one Ca(4), one Mn(2), and one Mn(3) atom. In the ninth O site, O(9) is bonded in a distorted linear geometry to one Sr(1), one Sr(4), one Ca(1), one Ca(3), and two equivalent Fe(1) atoms. In the tenth O site, O(10) is bonded in a distorted linear geometry to one Sr(2), one Sr(3), one Ca(2), one Ca(4), and two equivalent Fe(1) atoms. In the eleventh O site, O(11) is bonded in a distorted linear geometry to one Sr(1), one Sr(4), one Ca(1), one Ca(3), and two equivalent Mn(1) atoms. In the twelfth O site, O(12) is bonded in a distorted linear geometry to one Sr(2), one Sr(3), one Ca(2), one Ca(4), and two equivalent Mn(1) atoms. In the thirteenth O site, O(13) is bonded in a distorted linear geometry to one Sr(1), one Sr(4), one Ca(1), one Ca(3), and two equivalent Mn(2) atoms. In the fourteenth O site, O(14) is bonded in a distorted linear geometry to one Sr(2), one Sr(3), one Ca(2), one Ca(4), and two equivalent Mn(2) atoms. In the fifteenth O site, O(15) is bonded in a distorted linear geometry to one Sr(1), one Sr(4), one Ca(1), one Ca(3), and two equivalent Mn(3) atoms. In the sixteenth O site, O(16) is bonded in a distorted linear geometry to one Sr(2), one Sr(3), one Ca(2), one Ca(4), and two equivalent Mn(3) atoms.