Sr7CaFe6(CoO12)2 is (Cubic) Perovskite-derived structured and crystallizes in the orthorhombic Amm2 space group. There are five inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(1), one O(3), two equivalent O(10), two equivalent O(2), two equivalent O(7), two equivalent O(8), and two equivalent O(9) 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 Sr(5)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Fe(1)O6 octahedra, faces with two equivalent Co(1)O6 octahedra, and faces with four equivalent Fe(2)O6 octahedra. In the second Sr site, Sr(2) is bonded to one O(1), one O(3), two equivalent O(2), four equivalent O(7), and four equivalent O(8) atoms to form SrO12 cuboctahedra that share corners with four equivalent Ca(1)O12 cuboctahedra, corners with eight equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Fe(1)O6 octahedra, faces with two equivalent Co(1)O6 octahedra, and faces with four equivalent Fe(2)O6 octahedra. In the third Sr site, Sr(3) is bonded to one O(4), one O(6), two equivalent O(10), two equivalent O(5), two equivalent O(7), two equivalent O(8), and two equivalent O(9) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent Sr(3)O12 cuboctahedra, corners with four equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra, faces with two equivalent Fe(1)O6 octahedra, faces with two equivalent Co(1)O6 octahedra, and faces with four equivalent Fe(2)O6 octahedra. In the fourth Sr site, Sr(4) is bonded to one O(4), one O(6), two equivalent O(5), four equivalent O(7), and four equivalent O(8) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(5)O12 cuboctahedra, corners with eight equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with four equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Fe(1)O6 octahedra, faces with two equivalent Co(1)O6 octahedra, and faces with four equivalent Fe(2)O6 octahedra. In the fifth Sr site, Sr(5) is bonded to one O(4), one O(6), two equivalent O(5), four equivalent O(10), and four equivalent O(9) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(4)O12 cuboctahedra, corners with eight equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, faces with four equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Fe(1)O6 octahedra, faces with two equivalent Co(1)O6 octahedra, and faces with four equivalent Fe(2)O6 octahedra. Ca(1) is bonded to one O(1), one O(3), two equivalent O(2), four equivalent O(10), and four equivalent O(9) atoms to form CaO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with eight equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Fe(1)O6 octahedra, faces with two equivalent Co(1)O6 octahedra, and faces with four equivalent Fe(2)O6 octahedra. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(4), two equivalent O(7), and two equivalent O(9) atoms to form FeO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with four equivalent Fe(2)O6 octahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the second Fe site, Fe(2) is bonded to one O(10), one O(2), one O(5), one O(7), one O(8), and one O(9) atom to form FeO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Co(1)O6 octahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. Co(1) is bonded to one O(3), one O(6), two equivalent O(10), and two equivalent O(8) atoms to form CoO6 octahedra that share corners with two equivalent Co(1)O6 octahedra, corners with four equivalent Fe(2)O6 octahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one Sr(2), two equivalent Sr(1), one Ca(1), and two equivalent Fe(1) atoms. In the second O site, O(2) is bonded to one Sr(2), two equivalent Sr(1), one Ca(1), and two equivalent Fe(2) atoms to form distorted OSr3CaFe2 octahedra that share corners with two equivalent O(5)Sr4Fe2 octahedra, corners with four equivalent O(2)Sr3CaFe2 octahedra, corners with four equivalent O(7)Sr4Fe2 octahedra, corners with four equivalent O(8)Sr4FeCo octahedra, edges with two equivalent O(3)Sr3CaCo2 octahedra, faces with two equivalent O(7)Sr4Fe2 octahedra, and faces with two equivalent O(8)Sr4FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the third O site, O(3) is bonded to one Sr(2), two equivalent Sr(1), one Ca(1), and two equivalent Co(1) atoms to form distorted OSr3CaCo2 octahedra that share corners with two equivalent O(6)Sr4Co2 octahedra, corners with eight equivalent O(7)Sr4Fe2 octahedra, edges with four equivalent O(2)Sr3CaFe2 octahedra, and faces with four equivalent O(8)Sr4FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-60°. In the fourth O site, O(4) is bonded to one Sr(4), one Sr(5), two equivalent Sr(3), and two equivalent Fe(1) atoms to form distorted OSr4Fe2 octahedra that share corners with four equivalent O(6)Sr4Co2 octahedra, corners with eight equivalent O(8)Sr4FeCo octahedra, edges with four equivalent O(5)Sr4Fe2 octahedra, and faces with four equivalent O(7)Sr4Fe2 octahedra. The corner-sharing octahedral tilt angles range from 0-60°. In the fifth O site, O(5) is bonded to one Sr(4), one Sr(5), two equivalent Sr(3), and two equivalent Fe(2) atoms to form distorted OSr4Fe2 octahedra that share corners with two equivalent O(2)Sr3CaFe2 octahedra, corners with four equivalent O(5)Sr4Fe2 octahedra, corners with four equivalent O(7)Sr4Fe2 octahedra, corners with four equivalent O(8)Sr4FeCo octahedra, edges with two equivalent O(6)Sr4Co2 octahedra, edges with two equivalent O(4)Sr4Fe2 octahedra, faces with two equivalent O(7)Sr4Fe2 octahedra, and faces with two equivalent O(8)Sr4FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the sixth O site, O(6) is bonded to one Sr(4), one Sr(5), two equivalent Sr(3), and two equivalent Co(1) atoms to form distorted OSr4Co2 octahedra that share corners with two equivalent O(3)Sr3CaCo2 octahedra, corners with four equivalent O(4)Sr4Fe2 octahedra, corners with eight equivalent O(7)Sr4Fe2 octahedra, edges with four equivalent O(5)Sr4Fe2 octahedra, and faces with four equivalent O(8)Sr4FeCo octahedra. The corner-sharing octahedral tilt angles range from 0-60°. In the seventh O site, O(7) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Fe(1), and one Fe(2) atom to form distorted OSr4Fe2 octahedra that share corners with two equivalent O(3)Sr3CaCo2 octahedra, corners with two equivalent O(2)Sr3CaFe2 octahedra, corners with two equivalent O(6)Sr4Co2 octahedra, corners with two equivalent O(5)Sr4Fe2 octahedra, corners with two equivalent O(7)Sr4Fe2 octahedra, corners with six equivalent O(8)Sr4FeCo octahedra, edges with two equivalent O(7)Sr4Fe2 octahedra, edges with two equivalent O(8)Sr4FeCo octahedra,  a faceface with one O(2)Sr3CaFe2 octahedra,  a faceface with one O(4)Sr4Fe2 octahedra,  a faceface with one O(5)Sr4Fe2 octahedra,  a faceface with one O(7)Sr4Fe2 octahedra, and  a faceface with one O(8)Sr4FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the eighth O site, O(8) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Fe(2), and one Co(1) atom to form distorted OSr4FeCo octahedra that share corners with two equivalent O(2)Sr3CaFe2 octahedra, corners with two equivalent O(4)Sr4Fe2 octahedra, corners with two equivalent O(5)Sr4Fe2 octahedra, corners with two equivalent O(8)Sr4FeCo octahedra, corners with six equivalent O(7)Sr4Fe2 octahedra, edges with two equivalent O(7)Sr4Fe2 octahedra, edges with two equivalent O(8)Sr4FeCo octahedra,  a faceface with one O(3)Sr3CaCo2 octahedra,  a faceface with one O(2)Sr3CaFe2 octahedra,  a faceface with one O(6)Sr4Co2 octahedra,  a faceface with one O(5)Sr4Fe2 octahedra,  a faceface with one O(7)Sr4Fe2 octahedra, and  a faceface with one O(8)Sr4FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the ninth O site, O(9) is bonded in a distorted linear geometry to one Sr(1), one Sr(3), one Sr(5), one Ca(1), one Fe(1), and one Fe(2) atom. In the tenth O site, O(10) is bonded in a distorted linear geometry to one Sr(1), one Sr(3), one Sr(5), one Ca(1), one Fe(2), and one Co(1) atom.
Sr7CaFe6(CoO12)2 is (Cubic) Perovskite-derived structured and crystallizes in the orthorhombic Amm2 space group. There are five inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(1), one O(3), two equivalent O(10), two equivalent O(2), two equivalent O(7), two equivalent O(8), and two equivalent O(9) 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 Sr(5)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Fe(1)O6 octahedra, faces with two equivalent Co(1)O6 octahedra, and faces with four equivalent Fe(2)O6 octahedra. The Sr(1)-O(1) bond length is 2.77 Å. The Sr(1)-O(3) bond length is 2.73 Å. Both Sr(1)-O(10) bond lengths are 2.74 Å. Both Sr(1)-O(2) bond lengths are 2.75 Å. Both Sr(1)-O(7) bond lengths are 2.76 Å. Both Sr(1)-O(8) bond lengths are 2.74 Å. Both Sr(1)-O(9) bond lengths are 2.77 Å. In the second Sr site, Sr(2) is bonded to one O(1), one O(3), two equivalent O(2), four equivalent O(7), and four equivalent O(8) atoms to form SrO12 cuboctahedra that share corners with four equivalent Ca(1)O12 cuboctahedra, corners with eight equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Fe(1)O6 octahedra, faces with two equivalent Co(1)O6 octahedra, and faces with four equivalent Fe(2)O6 octahedra. The Sr(2)-O(1) bond length is 2.79 Å. The Sr(2)-O(3) bond length is 2.77 Å. Both Sr(2)-O(2) bond lengths are 2.78 Å. All Sr(2)-O(7) bond lengths are 2.77 Å. All Sr(2)-O(8) bond lengths are 2.75 Å. In the third Sr site, Sr(3) is bonded to one O(4), one O(6), two equivalent O(10), two equivalent O(5), two equivalent O(7), two equivalent O(8), and two equivalent O(9) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent Sr(3)O12 cuboctahedra, corners with four equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra, faces with two equivalent Fe(1)O6 octahedra, faces with two equivalent Co(1)O6 octahedra, and faces with four equivalent Fe(2)O6 octahedra. The Sr(3)-O(4) bond length is 2.77 Å. The Sr(3)-O(6) bond length is 2.73 Å. Both Sr(3)-O(10) bond lengths are 2.77 Å. Both Sr(3)-O(5) bond lengths are 2.75 Å. Both Sr(3)-O(7) bond lengths are 2.77 Å. Both Sr(3)-O(8) bond lengths are 2.74 Å. Both Sr(3)-O(9) bond lengths are 2.80 Å. In the fourth Sr site, Sr(4) is bonded to one O(4), one O(6), two equivalent O(5), four equivalent O(7), and four equivalent O(8) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(5)O12 cuboctahedra, corners with eight equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with four equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Fe(1)O6 octahedra, faces with two equivalent Co(1)O6 octahedra, and faces with four equivalent Fe(2)O6 octahedra. The Sr(4)-O(4) bond length is 2.77 Å. The Sr(4)-O(6) bond length is 2.73 Å. Both Sr(4)-O(5) bond lengths are 2.76 Å. All Sr(4)-O(7) bond lengths are 2.77 Å. All Sr(4)-O(8) bond lengths are 2.76 Å. In the fifth Sr site, Sr(5) is bonded to one O(4), one O(6), two equivalent O(5), four equivalent O(10), and four equivalent O(9) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(4)O12 cuboctahedra, corners with eight equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, faces with four equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Fe(1)O6 octahedra, faces with two equivalent Co(1)O6 octahedra, and faces with four equivalent Fe(2)O6 octahedra. The Sr(5)-O(4) bond length is 2.76 Å. The Sr(5)-O(6) bond length is 2.72 Å. Both Sr(5)-O(5) bond lengths are 2.75 Å. All Sr(5)-O(10) bond lengths are 2.75 Å. All Sr(5)-O(9) bond lengths are 2.77 Å. Ca(1) is bonded to one O(1), one O(3), two equivalent O(2), four equivalent O(10), and four equivalent O(9) atoms to form CaO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with eight equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Fe(1)O6 octahedra, faces with two equivalent Co(1)O6 octahedra, and faces with four equivalent Fe(2)O6 octahedra. The Ca(1)-O(1) bond length is 2.74 Å. The Ca(1)-O(3) bond length is 2.69 Å. Both Ca(1)-O(2) bond lengths are 2.73 Å. All Ca(1)-O(10) bond lengths are 2.73 Å. All Ca(1)-O(9) bond lengths are 2.74 Å. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(4), two equivalent O(7), and two equivalent O(9) atoms to form FeO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with four equivalent Fe(2)O6 octahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. The Fe(1)-O(1) bond length is 1.95 Å. The Fe(1)-O(4) bond length is 1.96 Å. Both Fe(1)-O(7) bond lengths are 1.96 Å. Both Fe(1)-O(9) bond lengths are 1.95 Å. In the second Fe site, Fe(2) is bonded to one O(10), one O(2), one O(5), one O(7), one O(8), and one O(9) atom to form FeO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Co(1)O6 octahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. The Fe(2)-O(10) bond length is 2.00 Å. The Fe(2)-O(2) bond length is 1.95 Å. The Fe(2)-O(5) bond length is 1.96 Å. The Fe(2)-O(7) bond length is 1.94 Å. The Fe(2)-O(8) bond length is 2.01 Å. The Fe(2)-O(9) bond length is 1.93 Å. Co(1) is bonded to one O(3), one O(6), two equivalent O(10), and two equivalent O(8) atoms to form CoO6 octahedra that share corners with two equivalent Co(1)O6 octahedra, corners with four equivalent Fe(2)O6 octahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Co(1)-O(3) bond length is 1.95 Å. The Co(1)-O(6) bond length is 1.96 Å. Both Co(1)-O(10) bond lengths are 1.89 Å. Both Co(1)-O(8) bond lengths are 1.89 Å. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one Sr(2), two equivalent Sr(1), one Ca(1), and two equivalent Fe(1) atoms. In the second O site, O(2) is bonded to one Sr(2), two equivalent Sr(1), one Ca(1), and two equivalent Fe(2) atoms to form distorted OSr3CaFe2 octahedra that share corners with two equivalent O(5)Sr4Fe2 octahedra, corners with four equivalent O(2)Sr3CaFe2 octahedra, corners with four equivalent O(7)Sr4Fe2 octahedra, corners with four equivalent O(8)Sr4FeCo octahedra, edges with two equivalent O(3)Sr3CaCo2 octahedra, faces with two equivalent O(7)Sr4Fe2 octahedra, and faces with two equivalent O(8)Sr4FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the third O site, O(3) is bonded to one Sr(2), two equivalent Sr(1), one Ca(1), and two equivalent Co(1) atoms to form distorted OSr3CaCo2 octahedra that share corners with two equivalent O(6)Sr4Co2 octahedra, corners with eight equivalent O(7)Sr4Fe2 octahedra, edges with four equivalent O(2)Sr3CaFe2 octahedra, and faces with four equivalent O(8)Sr4FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-60°. In the fourth O site, O(4) is bonded to one Sr(4), one Sr(5), two equivalent Sr(3), and two equivalent Fe(1) atoms to form distorted OSr4Fe2 octahedra that share corners with four equivalent O(6)Sr4Co2 octahedra, corners with eight equivalent O(8)Sr4FeCo octahedra, edges with four equivalent O(5)Sr4Fe2 octahedra, and faces with four equivalent O(7)Sr4Fe2 octahedra. The corner-sharing octahedral tilt angles range from 0-60°. In the fifth O site, O(5) is bonded to one Sr(4), one Sr(5), two equivalent Sr(3), and two equivalent Fe(2) atoms to form distorted OSr4Fe2 octahedra that share corners with two equivalent O(2)Sr3CaFe2 octahedra, corners with four equivalent O(5)Sr4Fe2 octahedra, corners with four equivalent O(7)Sr4Fe2 octahedra, corners with four equivalent O(8)Sr4FeCo octahedra, edges with two equivalent O(6)Sr4Co2 octahedra, edges with two equivalent O(4)Sr4Fe2 octahedra, faces with two equivalent O(7)Sr4Fe2 octahedra, and faces with two equivalent O(8)Sr4FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the sixth O site, O(6) is bonded to one Sr(4), one Sr(5), two equivalent Sr(3), and two equivalent Co(1) atoms to form distorted OSr4Co2 octahedra that share corners with two equivalent O(3)Sr3CaCo2 octahedra, corners with four equivalent O(4)Sr4Fe2 octahedra, corners with eight equivalent O(7)Sr4Fe2 octahedra, edges with four equivalent O(5)Sr4Fe2 octahedra, and faces with four equivalent O(8)Sr4FeCo octahedra. The corner-sharing octahedral tilt angles range from 0-60°. In the seventh O site, O(7) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Fe(1), and one Fe(2) atom to form distorted OSr4Fe2 octahedra that share corners with two equivalent O(3)Sr3CaCo2 octahedra, corners with two equivalent O(2)Sr3CaFe2 octahedra, corners with two equivalent O(6)Sr4Co2 octahedra, corners with two equivalent O(5)Sr4Fe2 octahedra, corners with two equivalent O(7)Sr4Fe2 octahedra, corners with six equivalent O(8)Sr4FeCo octahedra, edges with two equivalent O(7)Sr4Fe2 octahedra, edges with two equivalent O(8)Sr4FeCo octahedra,  a faceface with one O(2)Sr3CaFe2 octahedra,  a faceface with one O(4)Sr4Fe2 octahedra,  a faceface with one O(5)Sr4Fe2 octahedra,  a faceface with one O(7)Sr4Fe2 octahedra, and  a faceface with one O(8)Sr4FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the eighth O site, O(8) is bonded to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Fe(2), and one Co(1) atom to form distorted OSr4FeCo octahedra that share corners with two equivalent O(2)Sr3CaFe2 octahedra, corners with two equivalent O(4)Sr4Fe2 octahedra, corners with two equivalent O(5)Sr4Fe2 octahedra, corners with two equivalent O(8)Sr4FeCo octahedra, corners with six equivalent O(7)Sr4Fe2 octahedra, edges with two equivalent O(7)Sr4Fe2 octahedra, edges with two equivalent O(8)Sr4FeCo octahedra,  a faceface with one O(3)Sr3CaCo2 octahedra,  a faceface with one O(2)Sr3CaFe2 octahedra,  a faceface with one O(6)Sr4Co2 octahedra,  a faceface with one O(5)Sr4Fe2 octahedra,  a faceface with one O(7)Sr4Fe2 octahedra, and  a faceface with one O(8)Sr4FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the ninth O site, O(9) is bonded in a distorted linear geometry to one Sr(1), one Sr(3), one Sr(5), one Ca(1), one Fe(1), and one Fe(2) atom. In the tenth O site, O(10) is bonded in a distorted linear geometry to one Sr(1), one Sr(3), one Sr(5), one Ca(1), one Fe(2), and one Co(1) atom.