Sr5Mn(Fe2O5)2 crystallizes in the orthorhombic Fmm2 space group. There are five inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a body-centered cubic geometry to two equivalent O(1), two equivalent O(14), two equivalent O(15), and two equivalent O(2) atoms. In the second Sr site, Sr(2) is bonded in a body-centered cubic geometry to two equivalent O(12), two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms. In the third Sr site, Sr(3) is bonded in a body-centered cubic geometry to two equivalent O(13), two equivalent O(3), two equivalent O(6), and two equivalent O(7) atoms. In the fourth Sr site, Sr(4) is bonded in a body-centered cubic geometry to two equivalent O(12), two equivalent O(14), two equivalent O(8), and two equivalent O(9) atoms. In the fifth Sr site, Sr(5) is bonded in a body-centered cubic geometry to two equivalent O(10), two equivalent O(11), two equivalent O(13), and two equivalent O(15) atoms. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a square co-planar geometry to one O(4), one O(7), and two equivalent O(3) atoms. In the second Mn site, Mn(2) is bonded in a square co-planar geometry to one O(5), one O(6), and two equivalent O(3) atoms. There are eight inequivalent Fe sites. In the first Fe site, Fe(1) is bonded in a square co-planar geometry to one O(10), one O(6), and two equivalent O(13) atoms. In the second Fe site, Fe(2) is bonded in a square co-planar geometry to one O(1), one O(8), and two equivalent O(14) atoms. In the third Fe site, Fe(3) is bonded in a square co-planar geometry to one O(11), one O(2), and two equivalent O(15) atoms. In the fourth Fe site, Fe(4) is bonded in a square co-planar geometry to one O(4), one O(8), and two equivalent O(12) atoms. In the fifth Fe site, Fe(5) is bonded in a square co-planar geometry to one O(5), one O(9), and two equivalent O(12) atoms. In the sixth Fe site, Fe(6) is bonded in a square co-planar geometry to one O(11), one O(7), and two equivalent O(13) atoms. In the seventh Fe site, Fe(7) is bonded in a square co-planar geometry to one O(2), one O(9), and two equivalent O(14) atoms. In the eighth Fe site, Fe(8) is bonded in a square co-planar geometry to one O(1), one O(10), and two equivalent O(15) atoms. There are fifteen inequivalent O sites. In the first O site, O(1) is bonded to four equivalent Sr(1), one Fe(2), and one Fe(8) atom to form a mixture of corner, face, and edge-sharing OSr4Fe2 octahedra. The corner-sharing octahedral tilt angles range from 0-65°. In the second O site, O(2) is bonded to four equivalent Sr(1), one Fe(3), and one Fe(7) atom to form a mixture of corner, face, and edge-sharing OSr4Fe2 octahedra. The corner-sharing octahedral tilt angles range from 0-65°. In the third O site, O(3) is bonded to two equivalent Sr(2), two equivalent Sr(3), one Mn(1), and one Mn(2) atom to form distorted OSr4Mn2 octahedra that share corners with two equivalent O(12)Sr4Fe2 octahedra, corners with two equivalent O(13)Sr4Fe2 octahedra, corners with two equivalent O(3)Sr4Mn2 octahedra, corners with two equivalent O(4)Sr4MnFe octahedra, corners with two equivalent O(5)Sr4MnFe octahedra, corners with two equivalent O(6)Sr4MnFe octahedra, corners with two equivalent O(7)Sr4MnFe octahedra,  an edgeedge with one O(12)Sr4Fe2 octahedra,  an edgeedge with one O(13)Sr4Fe2 octahedra, edges with two equivalent O(3)Sr4Mn2 octahedra,  a faceface with one O(4)Sr4MnFe octahedra,  a faceface with one O(5)Sr4MnFe octahedra,  a faceface with one O(6)Sr4MnFe octahedra, and  a faceface with one O(7)Sr4MnFe octahedra. The corner-sharing octahedral tilt angles range from 0-66°. In the fourth O site, O(4) is bonded to four equivalent Sr(2), one Mn(1), and one Fe(4) atom to form OSr4MnFe octahedra that share  a cornercorner with one O(8)Sr4Fe2 octahedra,  a cornercorner with one O(7)Sr4MnFe octahedra, corners with four equivalent O(12)Sr4Fe2 octahedra, corners with four equivalent O(3)Sr4Mn2 octahedra, corners with four equivalent O(4)Sr4MnFe octahedra, edges with four equivalent O(5)Sr4MnFe octahedra, faces with two equivalent O(12)Sr4Fe2 octahedra, and faces with two equivalent O(3)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 0-66°. In the fifth O site, O(5) is bonded to four equivalent Sr(2), one Mn(2), and one Fe(5) atom to form OSr4MnFe octahedra that share  a cornercorner with one O(9)Sr4Fe2 octahedra,  a cornercorner with one O(6)Sr4MnFe octahedra, corners with four equivalent O(12)Sr4Fe2 octahedra, corners with four equivalent O(3)Sr4Mn2 octahedra, corners with four equivalent O(5)Sr4MnFe octahedra, edges with four equivalent O(4)Sr4MnFe octahedra, faces with two equivalent O(12)Sr4Fe2 octahedra, and faces with two equivalent O(3)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 0-64°. In the sixth O site, O(6) is bonded to four equivalent Sr(3), one Mn(2), and one Fe(1) atom to form OSr4MnFe octahedra that share  a cornercorner with one O(10)Sr4Fe2 octahedra,  a cornercorner with one O(5)Sr4MnFe octahedra, corners with four equivalent O(13)Sr4Fe2 octahedra, corners with four equivalent O(3)Sr4Mn2 octahedra, corners with four equivalent O(6)Sr4MnFe octahedra, edges with four equivalent O(7)Sr4MnFe octahedra, faces with two equivalent O(13)Sr4Fe2 octahedra, and faces with two equivalent O(3)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 0-64°. In the seventh O site, O(7) is bonded to four equivalent Sr(3), one Mn(1), and one Fe(6) atom to form OSr4MnFe octahedra that share  a cornercorner with one O(11)Sr4Fe2 octahedra,  a cornercorner with one O(4)Sr4MnFe octahedra, corners with four equivalent O(13)Sr4Fe2 octahedra, corners with four equivalent O(3)Sr4Mn2 octahedra, corners with four equivalent O(7)Sr4MnFe octahedra, edges with four equivalent O(6)Sr4MnFe octahedra, faces with two equivalent O(13)Sr4Fe2 octahedra, and faces with two equivalent O(3)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 0-66°. In the eighth O site, O(8) is bonded to four equivalent Sr(4), one Fe(2), and one Fe(4) atom to form OSr4Fe2 octahedra that share  a cornercorner with one O(1)Sr4Fe2 octahedra,  a cornercorner with one O(4)Sr4MnFe octahedra, corners with four equivalent O(12)Sr4Fe2 octahedra, corners with four equivalent O(14)Sr4Fe2 octahedra, corners with four equivalent O(8)Sr4Fe2 octahedra, edges with four equivalent O(9)Sr4Fe2 octahedra, faces with two equivalent O(12)Sr4Fe2 octahedra, and faces with two equivalent O(14)Sr4Fe2 octahedra. The corner-sharing octahedral tilt angles range from 0-65°. In the ninth O site, O(9) is bonded to four equivalent Sr(4), one Fe(5), and one Fe(7) atom to form OSr4Fe2 octahedra that share  a cornercorner with one O(2)Sr4Fe2 octahedra,  a cornercorner with one O(5)Sr4MnFe octahedra, corners with four equivalent O(12)Sr4Fe2 octahedra, corners with four equivalent O(14)Sr4Fe2 octahedra, corners with four equivalent O(9)Sr4Fe2 octahedra, edges with four equivalent O(8)Sr4Fe2 octahedra, faces with two equivalent O(12)Sr4Fe2 octahedra, and faces with two equivalent O(14)Sr4Fe2 octahedra. The corner-sharing octahedral tilt angles range from 0-65°. In the tenth O site, O(10) is bonded to four equivalent Sr(5), one Fe(1), and one Fe(8) atom to form OSr4Fe2 octahedra that share  a cornercorner with one O(1)Sr4Fe2 octahedra,  a cornercorner with one O(6)Sr4MnFe octahedra, corners with four equivalent O(10)Sr4Fe2 octahedra, corners with four equivalent O(13)Sr4Fe2 octahedra, corners with four equivalent O(15)Sr4Fe2 octahedra, edges with four equivalent O(11)Sr4Fe2 octahedra, faces with two equivalent O(13)Sr4Fe2 octahedra, and faces with two equivalent O(15)Sr4Fe2 octahedra. The corner-sharing octahedral tilt angles range from 0-65°. In the eleventh O site, O(11) is bonded to four equivalent Sr(5), one Fe(3), and one Fe(6) atom to form OSr4Fe2 octahedra that share  a cornercorner with one O(2)Sr4Fe2 octahedra,  a cornercorner with one O(7)Sr4MnFe octahedra, corners with four equivalent O(11)Sr4Fe2 octahedra, corners with four equivalent O(13)Sr4Fe2 octahedra, corners with four equivalent O(15)Sr4Fe2 octahedra, edges with four equivalent O(10)Sr4Fe2 octahedra, faces with two equivalent O(13)Sr4Fe2 octahedra, and faces with two equivalent O(15)Sr4Fe2 octahedra. The corner-sharing octahedral tilt angles range from 0-65°. In the twelfth O site, O(12) is bonded to two equivalent Sr(2), two equivalent Sr(4), one Fe(4), and one Fe(5) atom to form OSr4Fe2 octahedra that share corners with two equivalent O(12)Sr4Fe2 octahedra, corners with two equivalent O(14)Sr4Fe2 octahedra, corners with two equivalent O(8)Sr4Fe2 octahedra, corners with two equivalent O(9)Sr4Fe2 octahedra, corners with two equivalent O(3)Sr4Mn2 octahedra, corners with two equivalent O(4)Sr4MnFe octahedra, corners with two equivalent O(5)Sr4MnFe octahedra,  an edgeedge with one O(14)Sr4Fe2 octahedra,  an edgeedge with one O(3)Sr4Mn2 octahedra, edges with two equivalent O(12)Sr4Fe2 octahedra,  a faceface with one O(8)Sr4Fe2 octahedra,  a faceface with one O(9)Sr4Fe2 octahedra,  a faceface with one O(4)Sr4MnFe octahedra, and  a faceface with one O(5)Sr4MnFe octahedra. The corner-sharing octahedral tilt angles range from 0-66°. In the thirteenth O site, O(13) is bonded to two equivalent Sr(3), two equivalent Sr(5), one Fe(1), and one Fe(6) atom to form OSr4Fe2 octahedra that share corners with two equivalent O(10)Sr4Fe2 octahedra, corners with two equivalent O(11)Sr4Fe2 octahedra, corners with two equivalent O(13)Sr4Fe2 octahedra, corners with two equivalent O(15)Sr4Fe2 octahedra, corners with two equivalent O(3)Sr4Mn2 octahedra, corners with two equivalent O(6)Sr4MnFe octahedra, corners with two equivalent O(7)Sr4MnFe octahedra,  an edgeedge with one O(15)Sr4Fe2 octahedra,  an edgeedge with one O(3)Sr4Mn2 octahedra, edges with two equivalent O(13)Sr4Fe2 octahedra,  a faceface with one O(10)Sr4Fe2 octahedra,  a faceface with one O(11)Sr4Fe2 octahedra,  a faceface with one O(6)Sr4MnFe octahedra, and  a faceface with one O(7)Sr4MnFe octahedra. The corner-sharing octahedral tilt angles range from 0-66°. In the fourteenth O site, O(14) is bonded to two equivalent Sr(1), two equivalent Sr(4), one Fe(2), and one Fe(7) atom to form a mixture of corner, face, and edge-sharing OSr4Fe2 octahedra. The corner-sharing octahedral tilt angles range from 0-65°. In the fifteenth O site, O(15) is bonded to two equivalent Sr(1), two equivalent Sr(5), one Fe(3), and one Fe(8) atom to form a mixture of corner, face, and edge-sharing OSr4Fe2 octahedra. The corner-sharing octahedral tilt angles range from 0-65°.
Sr5Mn(Fe2O5)2 crystallizes in the orthorhombic Fmm2 space group. There are five inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a body-centered cubic geometry to two equivalent O(1), two equivalent O(14), two equivalent O(15), and two equivalent O(2) atoms. Both Sr(1)-O(1) bond lengths are 2.68 Å. Both Sr(1)-O(14) bond lengths are 2.67 Å. Both Sr(1)-O(15) bond lengths are 2.68 Å. Both Sr(1)-O(2) bond lengths are 2.68 Å. In the second Sr site, Sr(2) is bonded in a body-centered cubic geometry to two equivalent O(12), two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms. Both Sr(2)-O(12) bond lengths are 2.68 Å. Both Sr(2)-O(3) bond lengths are 2.67 Å. Both Sr(2)-O(4) bond lengths are 2.68 Å. Both Sr(2)-O(5) bond lengths are 2.68 Å. In the third Sr site, Sr(3) is bonded in a body-centered cubic geometry to two equivalent O(13), two equivalent O(3), two equivalent O(6), and two equivalent O(7) atoms. Both Sr(3)-O(13) bond lengths are 2.68 Å. Both Sr(3)-O(3) bond lengths are 2.66 Å. Both Sr(3)-O(6) bond lengths are 2.68 Å. Both Sr(3)-O(7) bond lengths are 2.68 Å. In the fourth Sr site, Sr(4) is bonded in a body-centered cubic geometry to two equivalent O(12), two equivalent O(14), two equivalent O(8), and two equivalent O(9) atoms. Both Sr(4)-O(12) bond lengths are 2.68 Å. Both Sr(4)-O(14) bond lengths are 2.67 Å. Both Sr(4)-O(8) bond lengths are 2.68 Å. Both Sr(4)-O(9) bond lengths are 2.68 Å. In the fifth Sr site, Sr(5) is bonded in a body-centered cubic geometry to two equivalent O(10), two equivalent O(11), two equivalent O(13), and two equivalent O(15) atoms. Both Sr(5)-O(10) bond lengths are 2.68 Å. Both Sr(5)-O(11) bond lengths are 2.68 Å. Both Sr(5)-O(13) bond lengths are 2.67 Å. Both Sr(5)-O(15) bond lengths are 2.67 Å. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a square co-planar geometry to one O(4), one O(7), and two equivalent O(3) atoms. The Mn(1)-O(4) bond length is 2.05 Å. The Mn(1)-O(7) bond length is 2.06 Å. Both Mn(1)-O(3) bond lengths are 2.13 Å. In the second Mn site, Mn(2) is bonded in a square co-planar geometry to one O(5), one O(6), and two equivalent O(3) atoms. The Mn(2)-O(5) bond length is 1.97 Å. The Mn(2)-O(6) bond length is 1.98 Å. Both Mn(2)-O(3) bond lengths are 1.94 Å. There are eight inequivalent Fe sites. In the first Fe site, Fe(1) is bonded in a square co-planar geometry to one O(10), one O(6), and two equivalent O(13) atoms. The Fe(1)-O(10) bond length is 2.03 Å. The Fe(1)-O(6) bond length is 2.07 Å. Both Fe(1)-O(13) bond lengths are 2.01 Å. In the second Fe site, Fe(2) is bonded in a square co-planar geometry to one O(1), one O(8), and two equivalent O(14) atoms. The Fe(2)-O(1) bond length is 2.03 Å. The Fe(2)-O(8) bond length is 2.03 Å. Both Fe(2)-O(14) bond lengths are 2.03 Å. In the third Fe site, Fe(3) is bonded in a square co-planar geometry to one O(11), one O(2), and two equivalent O(15) atoms. The Fe(3)-O(11) bond length is 2.03 Å. The Fe(3)-O(2) bond length is 2.03 Å. Both Fe(3)-O(15) bond lengths are 2.03 Å. In the fourth Fe site, Fe(4) is bonded in a square co-planar geometry to one O(4), one O(8), and two equivalent O(12) atoms. The Fe(4)-O(4) bond length is 2.01 Å. The Fe(4)-O(8) bond length is 2.02 Å. Both Fe(4)-O(12) bond lengths are 2.05 Å. In the fifth Fe site, Fe(5) is bonded in a square co-planar geometry to one O(5), one O(9), and two equivalent O(12) atoms. The Fe(5)-O(5) bond length is 2.06 Å. The Fe(5)-O(9) bond length is 2.05 Å. Both Fe(5)-O(12) bond lengths are 2.02 Å. In the sixth Fe site, Fe(6) is bonded in a square co-planar geometry to one O(11), one O(7), and two equivalent O(13) atoms. The Fe(6)-O(11) bond length is 2.01 Å. The Fe(6)-O(7) bond length is 2.00 Å. Both Fe(6)-O(13) bond lengths are 2.06 Å. In the seventh Fe site, Fe(7) is bonded in a square co-planar geometry to one O(2), one O(9), and two equivalent O(14) atoms. The Fe(7)-O(2) bond length is 2.02 Å. The Fe(7)-O(9) bond length is 2.03 Å. Both Fe(7)-O(14) bond lengths are 2.04 Å. In the eighth Fe site, Fe(8) is bonded in a square co-planar geometry to one O(1), one O(10), and two equivalent O(15) atoms. The Fe(8)-O(1) bond length is 2.02 Å. The Fe(8)-O(10) bond length is 2.02 Å. Both Fe(8)-O(15) bond lengths are 2.04 Å. There are fifteen inequivalent O sites. In the first O site, O(1) is bonded to four equivalent Sr(1), one Fe(2), and one Fe(8) atom to form a mixture of corner, face, and edge-sharing OSr4Fe2 octahedra. The corner-sharing octahedral tilt angles range from 0-65°. In the second O site, O(2) is bonded to four equivalent Sr(1), one Fe(3), and one Fe(7) atom to form a mixture of corner, face, and edge-sharing OSr4Fe2 octahedra. The corner-sharing octahedral tilt angles range from 0-65°. In the third O site, O(3) is bonded to two equivalent Sr(2), two equivalent Sr(3), one Mn(1), and one Mn(2) atom to form distorted OSr4Mn2 octahedra that share corners with two equivalent O(12)Sr4Fe2 octahedra, corners with two equivalent O(13)Sr4Fe2 octahedra, corners with two equivalent O(3)Sr4Mn2 octahedra, corners with two equivalent O(4)Sr4MnFe octahedra, corners with two equivalent O(5)Sr4MnFe octahedra, corners with two equivalent O(6)Sr4MnFe octahedra, corners with two equivalent O(7)Sr4MnFe octahedra,  an edgeedge with one O(12)Sr4Fe2 octahedra,  an edgeedge with one O(13)Sr4Fe2 octahedra, edges with two equivalent O(3)Sr4Mn2 octahedra,  a faceface with one O(4)Sr4MnFe octahedra,  a faceface with one O(5)Sr4MnFe octahedra,  a faceface with one O(6)Sr4MnFe octahedra, and  a faceface with one O(7)Sr4MnFe octahedra. The corner-sharing octahedral tilt angles range from 0-66°. In the fourth O site, O(4) is bonded to four equivalent Sr(2), one Mn(1), and one Fe(4) atom to form OSr4MnFe octahedra that share  a cornercorner with one O(8)Sr4Fe2 octahedra,  a cornercorner with one O(7)Sr4MnFe octahedra, corners with four equivalent O(12)Sr4Fe2 octahedra, corners with four equivalent O(3)Sr4Mn2 octahedra, corners with four equivalent O(4)Sr4MnFe octahedra, edges with four equivalent O(5)Sr4MnFe octahedra, faces with two equivalent O(12)Sr4Fe2 octahedra, and faces with two equivalent O(3)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 0-66°. In the fifth O site, O(5) is bonded to four equivalent Sr(2), one Mn(2), and one Fe(5) atom to form OSr4MnFe octahedra that share  a cornercorner with one O(9)Sr4Fe2 octahedra,  a cornercorner with one O(6)Sr4MnFe octahedra, corners with four equivalent O(12)Sr4Fe2 octahedra, corners with four equivalent O(3)Sr4Mn2 octahedra, corners with four equivalent O(5)Sr4MnFe octahedra, edges with four equivalent O(4)Sr4MnFe octahedra, faces with two equivalent O(12)Sr4Fe2 octahedra, and faces with two equivalent O(3)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 0-64°. In the sixth O site, O(6) is bonded to four equivalent Sr(3), one Mn(2), and one Fe(1) atom to form OSr4MnFe octahedra that share  a cornercorner with one O(10)Sr4Fe2 octahedra,  a cornercorner with one O(5)Sr4MnFe octahedra, corners with four equivalent O(13)Sr4Fe2 octahedra, corners with four equivalent O(3)Sr4Mn2 octahedra, corners with four equivalent O(6)Sr4MnFe octahedra, edges with four equivalent O(7)Sr4MnFe octahedra, faces with two equivalent O(13)Sr4Fe2 octahedra, and faces with two equivalent O(3)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 0-64°. In the seventh O site, O(7) is bonded to four equivalent Sr(3), one Mn(1), and one Fe(6) atom to form OSr4MnFe octahedra that share  a cornercorner with one O(11)Sr4Fe2 octahedra,  a cornercorner with one O(4)Sr4MnFe octahedra, corners with four equivalent O(13)Sr4Fe2 octahedra, corners with four equivalent O(3)Sr4Mn2 octahedra, corners with four equivalent O(7)Sr4MnFe octahedra, edges with four equivalent O(6)Sr4MnFe octahedra, faces with two equivalent O(13)Sr4Fe2 octahedra, and faces with two equivalent O(3)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 0-66°. In the eighth O site, O(8) is bonded to four equivalent Sr(4), one Fe(2), and one Fe(4) atom to form OSr4Fe2 octahedra that share  a cornercorner with one O(1)Sr4Fe2 octahedra,  a cornercorner with one O(4)Sr4MnFe octahedra, corners with four equivalent O(12)Sr4Fe2 octahedra, corners with four equivalent O(14)Sr4Fe2 octahedra, corners with four equivalent O(8)Sr4Fe2 octahedra, edges with four equivalent O(9)Sr4Fe2 octahedra, faces with two equivalent O(12)Sr4Fe2 octahedra, and faces with two equivalent O(14)Sr4Fe2 octahedra. The corner-sharing octahedral tilt angles range from 0-65°. In the ninth O site, O(9) is bonded to four equivalent Sr(4), one Fe(5), and one Fe(7) atom to form OSr4Fe2 octahedra that share  a cornercorner with one O(2)Sr4Fe2 octahedra,  a cornercorner with one O(5)Sr4MnFe octahedra, corners with four equivalent O(12)Sr4Fe2 octahedra, corners with four equivalent O(14)Sr4Fe2 octahedra, corners with four equivalent O(9)Sr4Fe2 octahedra, edges with four equivalent O(8)Sr4Fe2 octahedra, faces with two equivalent O(12)Sr4Fe2 octahedra, and faces with two equivalent O(14)Sr4Fe2 octahedra. The corner-sharing octahedral tilt angles range from 0-65°. In the tenth O site, O(10) is bonded to four equivalent Sr(5), one Fe(1), and one Fe(8) atom to form OSr4Fe2 octahedra that share  a cornercorner with one O(1)Sr4Fe2 octahedra,  a cornercorner with one O(6)Sr4MnFe octahedra, corners with four equivalent O(10)Sr4Fe2 octahedra, corners with four equivalent O(13)Sr4Fe2 octahedra, corners with four equivalent O(15)Sr4Fe2 octahedra, edges with four equivalent O(11)Sr4Fe2 octahedra, faces with two equivalent O(13)Sr4Fe2 octahedra, and faces with two equivalent O(15)Sr4Fe2 octahedra. The corner-sharing octahedral tilt angles range from 0-65°. In the eleventh O site, O(11) is bonded to four equivalent Sr(5), one Fe(3), and one Fe(6) atom to form OSr4Fe2 octahedra that share  a cornercorner with one O(2)Sr4Fe2 octahedra,  a cornercorner with one O(7)Sr4MnFe octahedra, corners with four equivalent O(11)Sr4Fe2 octahedra, corners with four equivalent O(13)Sr4Fe2 octahedra, corners with four equivalent O(15)Sr4Fe2 octahedra, edges with four equivalent O(10)Sr4Fe2 octahedra, faces with two equivalent O(13)Sr4Fe2 octahedra, and faces with two equivalent O(15)Sr4Fe2 octahedra. The corner-sharing octahedral tilt angles range from 0-65°. In the twelfth O site, O(12) is bonded to two equivalent Sr(2), two equivalent Sr(4), one Fe(4), and one Fe(5) atom to form OSr4Fe2 octahedra that share corners with two equivalent O(12)Sr4Fe2 octahedra, corners with two equivalent O(14)Sr4Fe2 octahedra, corners with two equivalent O(8)Sr4Fe2 octahedra, corners with two equivalent O(9)Sr4Fe2 octahedra, corners with two equivalent O(3)Sr4Mn2 octahedra, corners with two equivalent O(4)Sr4MnFe octahedra, corners with two equivalent O(5)Sr4MnFe octahedra,  an edgeedge with one O(14)Sr4Fe2 octahedra,  an edgeedge with one O(3)Sr4Mn2 octahedra, edges with two equivalent O(12)Sr4Fe2 octahedra,  a faceface with one O(8)Sr4Fe2 octahedra,  a faceface with one O(9)Sr4Fe2 octahedra,  a faceface with one O(4)Sr4MnFe octahedra, and  a faceface with one O(5)Sr4MnFe octahedra. The corner-sharing octahedral tilt angles range from 0-66°. In the thirteenth O site, O(13) is bonded to two equivalent Sr(3), two equivalent Sr(5), one Fe(1), and one Fe(6) atom to form OSr4Fe2 octahedra that share corners with two equivalent O(10)Sr4Fe2 octahedra, corners with two equivalent O(11)Sr4Fe2 octahedra, corners with two equivalent O(13)Sr4Fe2 octahedra, corners with two equivalent O(15)Sr4Fe2 octahedra, corners with two equivalent O(3)Sr4Mn2 octahedra, corners with two equivalent O(6)Sr4MnFe octahedra, corners with two equivalent O(7)Sr4MnFe octahedra,  an edgeedge with one O(15)Sr4Fe2 octahedra,  an edgeedge with one O(3)Sr4Mn2 octahedra, edges with two equivalent O(13)Sr4Fe2 octahedra,  a faceface with one O(10)Sr4Fe2 octahedra,  a faceface with one O(11)Sr4Fe2 octahedra,  a faceface with one O(6)Sr4MnFe octahedra, and  a faceface with one O(7)Sr4MnFe octahedra. The corner-sharing octahedral tilt angles range from 0-66°. In the fourteenth O site, O(14) is bonded to two equivalent Sr(1), two equivalent Sr(4), one Fe(2), and one Fe(7) atom to form a mixture of corner, face, and edge-sharing OSr4Fe2 octahedra. The corner-sharing octahedral tilt angles range from 0-65°. In the fifteenth O site, O(15) is bonded to two equivalent Sr(1), two equivalent Sr(5), one Fe(3), and one Fe(8) atom to form a mixture of corner, face, and edge-sharing OSr4Fe2 octahedra. The corner-sharing octahedral tilt angles range from 0-65°.