Sr3Ca5Mn4(FeO6)4 is (Cubic) Perovskite-derived structured and crystallizes in the monoclinic Cm space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(1), one O(13), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), one O(8), one O(9), and two equivalent O(10) atoms to form SrO12 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 Sr(2)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Ca(3)O12 cuboctahedra,  a faceface with one Mn(2)O6 octahedra,  a faceface with one Mn(3)O6 octahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(3)O6 octahedra, faces with two equivalent Mn(1)O6 octahedra, and faces with two equivalent Fe(2)O6 octahedra. In the second Sr site, Sr(2) is bonded to one O(13), one O(9), two equivalent O(1), two equivalent O(10), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms to form SrO12 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 Sr(1)O12 cuboctahedra,  a faceface with one Mn(2)O6 octahedra,  a faceface with one Mn(3)O6 octahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(3)O6 octahedra, faces with two equivalent Mn(1)O6 octahedra, and faces with two equivalent Fe(2)O6 octahedra. There are four inequivalent Ca sites. In the first Ca site, Ca(1) is bonded to one O(1), one O(11), one O(14), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), one O(8), and two equivalent O(12) 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(1)O12 cuboctahedra, faces with two equivalent Ca(2)O12 cuboctahedra, faces with two equivalent Ca(4)O12 cuboctahedra,  a faceface with one Mn(2)O6 octahedra,  a faceface with one Mn(3)O6 octahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(3)O6 octahedra, faces with two equivalent Mn(1)O6 octahedra, and faces with two equivalent Fe(2)O6 octahedra. In the second Ca site, Ca(2) is bonded to one O(11), one O(14), two equivalent O(1), two equivalent O(12), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms to form CaO12 cuboctahedra that share corners with four equivalent Ca(4)O12 cuboctahedra, corners with eight equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with four equivalent Ca(1)O12 cuboctahedra,  a faceface with one Mn(2)O6 octahedra,  a faceface with one Mn(3)O6 octahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(3)O6 octahedra, faces with two equivalent Mn(1)O6 octahedra, and faces with two equivalent Fe(2)O6 octahedra. In the third Ca site, Ca(3) is bonded to one O(13), one O(9), two equivalent O(10), two equivalent O(5), two equivalent O(6), two equivalent O(7), and two equivalent O(8) atoms to form CaO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with eight equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Ca(4)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra,  a faceface with one Mn(2)O6 octahedra,  a faceface with one Mn(3)O6 octahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(3)O6 octahedra, faces with two equivalent Mn(1)O6 octahedra, and faces with two equivalent Fe(2)O6 octahedra. In the fourth Ca site, Ca(4) is bonded to one O(11), one O(14), two equivalent O(12), two equivalent O(5), two equivalent O(6), two equivalent O(7), and two equivalent O(8) atoms to form CaO12 cuboctahedra that share corners with four equivalent Ca(2)O12 cuboctahedra, corners with eight equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Ca(3)O12 cuboctahedra, faces with four equivalent Ca(1)O12 cuboctahedra,  a faceface with one Mn(2)O6 octahedra,  a faceface with one Mn(3)O6 octahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(3)O6 octahedra, faces with two equivalent Mn(1)O6 octahedra, and faces with two equivalent Fe(2)O6 octahedra. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(10), one O(12), one O(3), one O(4), one O(7), and one O(8) atom to form MnO6 octahedra that share corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra,  a faceface with one Ca(4)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the second Mn site, Mn(2) is bonded to one O(13), one O(14), two equivalent O(2), and two equivalent O(6) atoms to form MnO6 octahedra that share corners with two equivalent Mn(3)O6 octahedra, corners with four equivalent Fe(2)O6 octahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra,  a faceface with one Ca(4)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the third Mn site, Mn(3) is bonded to one O(13), one O(14), two equivalent O(4), and two equivalent O(8) 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(2)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra,  a faceface with one Ca(4)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(11), one O(9), two equivalent O(1), and two equivalent O(5) atoms to form FeO6 octahedra that share corners with two equivalent Fe(3)O6 octahedra, corners with four equivalent Fe(2)O6 octahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra,  a faceface with one Ca(4)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the second Fe site, Fe(2) is bonded to one O(1), one O(10), one O(12), one O(2), one O(5), and one O(6) 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(2)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra,  a faceface with one Ca(4)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the third Fe site, Fe(3) is bonded to one O(11), one O(9), two equivalent O(3), and two equivalent O(7) atoms to form FeO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra,  a faceface with one Ca(4)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), one Sr(2), one Ca(1), one Ca(2), one Fe(1), and one Fe(2) atom to form distorted OSr2Ca2Fe2 octahedra that share corners with two equivalent O(13)Sr3CaMn2 octahedra, corners with two equivalent O(10)Sr3CaMnFe octahedra,  a faceface with one O(1)Sr2Ca2Fe2 octahedra,  a faceface with one O(9)Sr3CaFe2 octahedra, and  a faceface with one O(10)Sr3CaMnFe octahedra. The corner-sharing octahedral tilt angles range from 60-61°. 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(2), and one Fe(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 Mn(1), and one Fe(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 Mn(1), and one Mn(3) atom. In the fifth O site, O(5) is bonded in a distorted linear geometry to one Sr(1), one Ca(1), one Ca(3), one Ca(4), one Fe(1), and one Fe(2) atom. In the sixth O site, O(6) is bonded in a distorted linear geometry to one Sr(1), one Ca(1), one Ca(3), one Ca(4), one Mn(2), and one Fe(2) atom. In the seventh O site, O(7) 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 Fe(3) atom. In the eighth O site, O(8) 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(3) atom. In the ninth O site, O(9) is bonded to one Sr(2), two equivalent Sr(1), one Ca(3), one Fe(1), and one Fe(3) atom to form distorted OSr3CaFe2 octahedra that share corners with four equivalent O(13)Sr3CaMn2 octahedra, edges with four equivalent O(10)Sr3CaMnFe octahedra, and faces with two equivalent O(1)Sr2Ca2Fe2 octahedra. The corner-sharing octahedral tilt angles are 1°. In the tenth O site, O(10) is bonded to one Sr(2), two equivalent Sr(1), one Ca(3), one Mn(1), and one Fe(2) atom to form distorted OSr3CaMnFe octahedra that share corners with two equivalent O(1)Sr2Ca2Fe2 octahedra, corners with four equivalent O(10)Sr3CaMnFe octahedra, edges with two equivalent O(9)Sr3CaFe2 octahedra, edges with two equivalent O(13)Sr3CaMn2 octahedra, and  a faceface with one O(1)Sr2Ca2Fe2 octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the eleventh O site, O(11) is bonded in a distorted linear geometry to one Ca(2), one Ca(4), two equivalent Ca(1), one Fe(1), and one Fe(3) atom. In the twelfth O site, O(12) is bonded in a distorted linear geometry to one Ca(2), one Ca(4), two equivalent Ca(1), one Mn(1), and one Fe(2) atom. In the thirteenth O site, O(13) is bonded to one Sr(2), two equivalent Sr(1), one Ca(3), one Mn(2), and one Mn(3) atom to form distorted OSr3CaMn2 octahedra that share corners with four equivalent O(1)Sr2Ca2Fe2 octahedra, corners with four equivalent O(9)Sr3CaFe2 octahedra, and edges with four equivalent O(10)Sr3CaMnFe octahedra. The corner-sharing octahedral tilt angles range from 1-60°. In the fourteenth O site, O(14) is bonded in a distorted linear geometry to one Ca(2), one Ca(4), two equivalent Ca(1), one Mn(2), and one Mn(3) atom.
Sr3Ca5Mn4(FeO6)4 is (Cubic) Perovskite-derived structured and crystallizes in the monoclinic Cm space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(1), one O(13), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), one O(8), one O(9), and two equivalent O(10) atoms to form SrO12 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 Sr(2)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Ca(3)O12 cuboctahedra,  a faceface with one Mn(2)O6 octahedra,  a faceface with one Mn(3)O6 octahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(3)O6 octahedra, faces with two equivalent Mn(1)O6 octahedra, and faces with two equivalent Fe(2)O6 octahedra. The Sr(1)-O(1) bond length is 2.77 Å. The Sr(1)-O(13) bond length is 2.73 Å. The Sr(1)-O(2) bond length is 2.77 Å. The Sr(1)-O(3) bond length is 2.77 Å. The Sr(1)-O(4) bond length is 2.76 Å. The Sr(1)-O(5) bond length is 2.78 Å. The Sr(1)-O(6) bond length is 2.77 Å. The Sr(1)-O(7) bond length is 2.77 Å. The Sr(1)-O(8) bond length is 2.77 Å. The Sr(1)-O(9) bond length is 2.74 Å. Both Sr(1)-O(10) bond lengths are 2.73 Å. In the second Sr site, Sr(2) is bonded to one O(13), one O(9), two equivalent O(1), two equivalent O(10), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms to form SrO12 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 Sr(1)O12 cuboctahedra,  a faceface with one Mn(2)O6 octahedra,  a faceface with one Mn(3)O6 octahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(3)O6 octahedra, faces with two equivalent Mn(1)O6 octahedra, and faces with two equivalent Fe(2)O6 octahedra. The Sr(2)-O(13) bond length is 2.77 Å. The Sr(2)-O(9) bond length is 2.77 Å. Both Sr(2)-O(1) bond lengths are 2.78 Å. Both Sr(2)-O(10) bond lengths are 2.77 Å. Both Sr(2)-O(2) bond lengths are 2.77 Å. Both Sr(2)-O(3) bond lengths are 2.77 Å. Both Sr(2)-O(4) bond lengths are 2.77 Å. There are four inequivalent Ca sites. In the first Ca site, Ca(1) is bonded to one O(1), one O(11), one O(14), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), one O(8), and two equivalent O(12) 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(1)O12 cuboctahedra, faces with two equivalent Ca(2)O12 cuboctahedra, faces with two equivalent Ca(4)O12 cuboctahedra,  a faceface with one Mn(2)O6 octahedra,  a faceface with one Mn(3)O6 octahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(3)O6 octahedra, faces with two equivalent Mn(1)O6 octahedra, and faces with two equivalent Fe(2)O6 octahedra. The Ca(1)-O(1) bond length is 2.70 Å. The Ca(1)-O(11) bond length is 2.74 Å. The Ca(1)-O(14) bond length is 2.72 Å. The Ca(1)-O(2) bond length is 2.69 Å. The Ca(1)-O(3) bond length is 2.69 Å. The Ca(1)-O(4) bond length is 2.68 Å. The Ca(1)-O(5) bond length is 2.73 Å. The Ca(1)-O(6) bond length is 2.73 Å. The Ca(1)-O(7) bond length is 2.73 Å. The Ca(1)-O(8) bond length is 2.72 Å. Both Ca(1)-O(12) bond lengths are 2.73 Å. In the second Ca site, Ca(2) is bonded to one O(11), one O(14), two equivalent O(1), two equivalent O(12), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms to form CaO12 cuboctahedra that share corners with four equivalent Ca(4)O12 cuboctahedra, corners with eight equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with four equivalent Ca(1)O12 cuboctahedra,  a faceface with one Mn(2)O6 octahedra,  a faceface with one Mn(3)O6 octahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(3)O6 octahedra, faces with two equivalent Mn(1)O6 octahedra, and faces with two equivalent Fe(2)O6 octahedra. The Ca(2)-O(11) bond length is 2.75 Å. The Ca(2)-O(14) bond length is 2.73 Å. Both Ca(2)-O(1) bond lengths are 2.71 Å. Both Ca(2)-O(12) bond lengths are 2.74 Å. Both Ca(2)-O(2) bond lengths are 2.70 Å. Both Ca(2)-O(3) bond lengths are 2.70 Å. Both Ca(2)-O(4) bond lengths are 2.69 Å. In the third Ca site, Ca(3) is bonded to one O(13), one O(9), two equivalent O(10), two equivalent O(5), two equivalent O(6), two equivalent O(7), and two equivalent O(8) atoms to form CaO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with eight equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Ca(4)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra,  a faceface with one Mn(2)O6 octahedra,  a faceface with one Mn(3)O6 octahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(3)O6 octahedra, faces with two equivalent Mn(1)O6 octahedra, and faces with two equivalent Fe(2)O6 octahedra. The Ca(3)-O(13) bond length is 2.69 Å. The Ca(3)-O(9) bond length is 2.71 Å. Both Ca(3)-O(10) bond lengths are 2.70 Å. Both Ca(3)-O(5) bond lengths are 2.75 Å. Both Ca(3)-O(6) bond lengths are 2.74 Å. Both Ca(3)-O(7) bond lengths are 2.74 Å. Both Ca(3)-O(8) bond lengths are 2.73 Å. In the fourth Ca site, Ca(4) is bonded to one O(11), one O(14), two equivalent O(12), two equivalent O(5), two equivalent O(6), two equivalent O(7), and two equivalent O(8) atoms to form CaO12 cuboctahedra that share corners with four equivalent Ca(2)O12 cuboctahedra, corners with eight equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Ca(3)O12 cuboctahedra, faces with four equivalent Ca(1)O12 cuboctahedra,  a faceface with one Mn(2)O6 octahedra,  a faceface with one Mn(3)O6 octahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(3)O6 octahedra, faces with two equivalent Mn(1)O6 octahedra, and faces with two equivalent Fe(2)O6 octahedra. The Ca(4)-O(11) bond length is 2.73 Å. The Ca(4)-O(14) bond length is 2.72 Å. Both Ca(4)-O(12) bond lengths are 2.73 Å. Both Ca(4)-O(5) bond lengths are 2.70 Å. Both Ca(4)-O(6) bond lengths are 2.69 Å. Both Ca(4)-O(7) bond lengths are 2.69 Å. Both Ca(4)-O(8) bond lengths are 2.68 Å. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(10), one O(12), one O(3), one O(4), one O(7), and one O(8) atom to form MnO6 octahedra that share corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra,  a faceface with one Ca(4)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Mn(1)-O(10) bond length is 1.92 Å. The Mn(1)-O(12) bond length is 1.89 Å. The Mn(1)-O(3) bond length is 1.92 Å. The Mn(1)-O(4) bond length is 1.95 Å. The Mn(1)-O(7) bond length is 1.91 Å. The Mn(1)-O(8) bond length is 1.93 Å. In the second Mn site, Mn(2) is bonded to one O(13), one O(14), two equivalent O(2), and two equivalent O(6) atoms to form MnO6 octahedra that share corners with two equivalent Mn(3)O6 octahedra, corners with four equivalent Fe(2)O6 octahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra,  a faceface with one Ca(4)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Mn(2)-O(13) bond length is 1.96 Å. The Mn(2)-O(14) bond length is 1.92 Å. Both Mn(2)-O(2) bond lengths are 1.91 Å. Both Mn(2)-O(6) bond lengths are 1.90 Å. In the third Mn site, Mn(3) is bonded to one O(13), one O(14), two equivalent O(4), and two equivalent O(8) 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(2)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra,  a faceface with one Ca(4)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Mn(3)-O(13) bond length is 1.94 Å. The Mn(3)-O(14) bond length is 1.91 Å. Both Mn(3)-O(4) bond lengths are 1.93 Å. Both Mn(3)-O(8) bond lengths are 1.92 Å. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(11), one O(9), two equivalent O(1), and two equivalent O(5) atoms to form FeO6 octahedra that share corners with two equivalent Fe(3)O6 octahedra, corners with four equivalent Fe(2)O6 octahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra,  a faceface with one Ca(4)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Fe(1)-O(11) bond length is 1.88 Å. The Fe(1)-O(9) bond length is 1.92 Å. Both Fe(1)-O(1) bond lengths are 1.91 Å. Both Fe(1)-O(5) bond lengths are 1.90 Å. In the second Fe site, Fe(2) is bonded to one O(1), one O(10), one O(12), one O(2), one O(5), and one O(6) 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(2)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra,  a faceface with one Ca(4)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Fe(2)-O(1) bond length is 1.97 Å. The Fe(2)-O(10) bond length is 1.98 Å. The Fe(2)-O(12) bond length is 1.94 Å. The Fe(2)-O(2) bond length is 1.96 Å. The Fe(2)-O(5) bond length is 1.95 Å. The Fe(2)-O(6) bond length is 1.95 Å. In the third Fe site, Fe(3) is bonded to one O(11), one O(9), two equivalent O(3), and two equivalent O(7) atoms to form FeO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Ca(2)O12 cuboctahedra,  a faceface with one Ca(3)O12 cuboctahedra,  a faceface with one Ca(4)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Fe(3)-O(11) bond length is 1.94 Å. The Fe(3)-O(9) bond length is 1.98 Å. Both Fe(3)-O(3) bond lengths are 1.96 Å. Both Fe(3)-O(7) bond lengths are 1.95 Å. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), one Sr(2), one Ca(1), one Ca(2), one Fe(1), and one Fe(2) atom to form distorted OSr2Ca2Fe2 octahedra that share corners with two equivalent O(13)Sr3CaMn2 octahedra, corners with two equivalent O(10)Sr3CaMnFe octahedra,  a faceface with one O(1)Sr2Ca2Fe2 octahedra,  a faceface with one O(9)Sr3CaFe2 octahedra, and  a faceface with one O(10)Sr3CaMnFe octahedra. The corner-sharing octahedral tilt angles range from 60-61°. 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(2), and one Fe(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 Mn(1), and one Fe(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 Mn(1), and one Mn(3) atom. In the fifth O site, O(5) is bonded in a distorted linear geometry to one Sr(1), one Ca(1), one Ca(3), one Ca(4), one Fe(1), and one Fe(2) atom. In the sixth O site, O(6) is bonded in a distorted linear geometry to one Sr(1), one Ca(1), one Ca(3), one Ca(4), one Mn(2), and one Fe(2) atom. In the seventh O site, O(7) 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 Fe(3) atom. In the eighth O site, O(8) 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(3) atom. In the ninth O site, O(9) is bonded to one Sr(2), two equivalent Sr(1), one Ca(3), one Fe(1), and one Fe(3) atom to form distorted OSr3CaFe2 octahedra that share corners with four equivalent O(13)Sr3CaMn2 octahedra, edges with four equivalent O(10)Sr3CaMnFe octahedra, and faces with two equivalent O(1)Sr2Ca2Fe2 octahedra. The corner-sharing octahedral tilt angles are 1°. In the tenth O site, O(10) is bonded to one Sr(2), two equivalent Sr(1), one Ca(3), one Mn(1), and one Fe(2) atom to form distorted OSr3CaMnFe octahedra that share corners with two equivalent O(1)Sr2Ca2Fe2 octahedra, corners with four equivalent O(10)Sr3CaMnFe octahedra, edges with two equivalent O(9)Sr3CaFe2 octahedra, edges with two equivalent O(13)Sr3CaMn2 octahedra, and  a faceface with one O(1)Sr2Ca2Fe2 octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the eleventh O site, O(11) is bonded in a distorted linear geometry to one Ca(2), one Ca(4), two equivalent Ca(1), one Fe(1), and one Fe(3) atom. In the twelfth O site, O(12) is bonded in a distorted linear geometry to one Ca(2), one Ca(4), two equivalent Ca(1), one Mn(1), and one Fe(2) atom. In the thirteenth O site, O(13) is bonded to one Sr(2), two equivalent Sr(1), one Ca(3), one Mn(2), and one Mn(3) atom to form distorted OSr3CaMn2 octahedra that share corners with four equivalent O(1)Sr2Ca2Fe2 octahedra, corners with four equivalent O(9)Sr3CaFe2 octahedra, and edges with four equivalent O(10)Sr3CaMnFe octahedra. The corner-sharing octahedral tilt angles range from 1-60°. In the fourteenth O site, O(14) is bonded in a distorted linear geometry to one Ca(2), one Ca(4), two equivalent Ca(1), one Mn(2), and one Mn(3) atom.