Sr6Ca2Fe5(CoO8)3 is (Cubic) Perovskite-derived structured and crystallizes in the monoclinic P2 space group. There are three inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(1), one O(10), one O(13), one O(14), one O(15), one O(16), one O(2), one O(3), one O(4), one O(5), one O(6), and one O(9) atom to form SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with eight equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, faces with four equivalent Sr(2)O12 cuboctahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(3)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Fe(5)O6 octahedra,  a faceface with one Co(1)O6 octahedra,  a faceface with one Co(2)O6 octahedra, and  a faceface with one Co(3)O6 octahedra. In the second Sr site, Sr(2) is bonded to one O(1), one O(10), one O(13), one O(14), one O(15), one O(16), one O(2), one O(3), one O(4), one O(5), one O(6), and one O(9) atom to form SrO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with eight equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(3)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Fe(5)O6 octahedra,  a faceface with one Co(1)O6 octahedra,  a faceface with one Co(2)O6 octahedra, and  a faceface with one Co(3)O6 octahedra. In the third Sr site, Sr(3) is bonded to one O(1), one O(11), one O(12), one O(13), one O(14), one O(15), one O(16), one O(2), one O(3), one O(4), one O(7), and one O(8) atom to form SrO12 cuboctahedra that share corners with four equivalent Sr(3)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 Fe(1)O6 octahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(3)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Fe(5)O6 octahedra,  a faceface with one Co(1)O6 octahedra,  a faceface with one Co(2)O6 octahedra, and  a faceface with one Co(3)O6 octahedra. Ca(1) is bonded to one O(1), one O(11), one O(12), one O(13), one O(14), one O(15), one O(16), one O(2), one O(3), one O(4), one O(7), and one O(8) atom to form CaO12 cuboctahedra that share corners with four equivalent Ca(1)O12 cuboctahedra, corners with eight equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with four equivalent Sr(3)O12 cuboctahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(3)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Fe(5)O6 octahedra,  a faceface with one Co(1)O6 octahedra,  a faceface with one Co(2)O6 octahedra, and  a faceface with one Co(3)O6 octahedra. There are five inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(5), one O(7), two equivalent O(1), and two equivalent O(13) atoms to form FeO6 octahedra that share corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with two equivalent Fe(4)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the second Fe site, Fe(2) is bonded to one O(6), one O(8), two equivalent O(13), and two equivalent O(2) atoms to form FeO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the third Fe site, Fe(3) is bonded to one O(5), one O(7), two equivalent O(14), and two equivalent O(3) atoms to form FeO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(5)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the fourth Fe site, Fe(4) is bonded to one O(11), one O(9), two equivalent O(1), and two equivalent O(15) atoms to form FeO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(5)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the fifth Fe site, Fe(5) is bonded to one O(11), one O(9), two equivalent O(16), and two equivalent O(3) atoms to form FeO6 octahedra that share corners with two equivalent Fe(3)O6 octahedra, corners with two equivalent Fe(4)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)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 Co sites. In the first Co site, Co(1) is bonded to one O(6), one O(8), two equivalent O(14), and two equivalent O(4) atoms to form CoO6 octahedra that share corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the second Co site, Co(2) is bonded to one O(10), one O(12), two equivalent O(15), and two equivalent O(2) atoms to form CoO6 octahedra that share corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(4)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the third Co site, Co(3) is bonded to one O(10), one O(12), two equivalent O(16), and two equivalent O(4) atoms to form CoO6 octahedra that share corners with two equivalent Fe(5)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)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 Sr(3), one Ca(1), one Fe(1), and one Fe(4) atom. In the second O site, O(2) is bonded to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Fe(2), and one Co(2) atom to form distorted OSr3CaFeCo octahedra that share corners with two equivalent O(11)Sr2Ca2Fe2 octahedra, corners with two equivalent O(2)Sr3CaFeCo octahedra, corners with two equivalent O(5)Sr4Fe2 octahedra, corners with two equivalent O(9)Sr4Fe2 octahedra, corners with four equivalent O(14)Sr3CaFeCo octahedra, corners with four equivalent O(16)Sr3CaFeCo octahedra, edges with two equivalent O(4)Sr3CaCo2 octahedra,  a faceface with one O(12)Sr2Ca2Co2 octahedra,  a faceface with one O(10)Sr4Co2 octahedra,  a faceface with one O(6)Sr4FeCo octahedra, and faces with two equivalent O(15)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the third O site, O(3) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Fe(3), and one Fe(5) atom. In the fourth O site, O(4) is bonded to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Co(1), and one Co(3) atom to form distorted OSr3CaCo2 octahedra that share corners with two equivalent O(11)Sr2Ca2Fe2 octahedra, corners with two equivalent O(4)Sr3CaCo2 octahedra, corners with two equivalent O(5)Sr4Fe2 octahedra, corners with two equivalent O(9)Sr4Fe2 octahedra, corners with four equivalent O(15)Sr3CaFeCo octahedra, edges with two equivalent O(2)Sr3CaFeCo octahedra,  a faceface with one O(12)Sr2Ca2Co2 octahedra,  a faceface with one O(10)Sr4Co2 octahedra,  a faceface with one O(6)Sr4FeCo octahedra, faces with two equivalent O(14)Sr3CaFeCo octahedra, and faces with two equivalent O(16)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 1-62°. In the fifth O site, O(5) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Fe(1), and one Fe(3) atom to form distorted OSr4Fe2 octahedra that share corners with four equivalent O(4)Sr3CaCo2 octahedra, corners with four equivalent O(15)Sr3CaFeCo octahedra, corners with four equivalent O(16)Sr3CaFeCo octahedra, corners with four equivalent O(2)Sr3CaFeCo octahedra, corners with four equivalent O(10)Sr4Co2 octahedra, edges with two equivalent O(9)Sr4Fe2 octahedra, edges with two equivalent O(6)Sr4FeCo octahedra, and faces with two equivalent O(14)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the sixth O site, O(6) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Fe(2), and one Co(1) atom to form distorted OSr4FeCo octahedra that share corners with four equivalent O(15)Sr3CaFeCo octahedra, corners with four equivalent O(16)Sr3CaFeCo octahedra, corners with four equivalent O(9)Sr4Fe2 octahedra, edges with two equivalent O(10)Sr4Co2 octahedra, edges with two equivalent O(5)Sr4Fe2 octahedra, faces with two equivalent O(4)Sr3CaCo2 octahedra, faces with two equivalent O(14)Sr3CaFeCo octahedra, and faces with two equivalent O(2)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 2-62°. In the seventh O site, O(7) is bonded in a distorted linear geometry to two equivalent Sr(3), two equivalent Ca(1), one Fe(1), and one Fe(3) atom. In the eighth O site, O(8) is bonded in a distorted linear geometry to two equivalent Sr(3), two equivalent Ca(1), one Fe(2), and one Co(1) atom. In the ninth O site, O(9) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Fe(4), and one Fe(5) atom to form distorted OSr4Fe2 octahedra that share corners with two equivalent O(11)Sr2Ca2Fe2 octahedra, corners with four equivalent O(4)Sr3CaCo2 octahedra, corners with four equivalent O(14)Sr3CaFeCo octahedra, corners with four equivalent O(2)Sr3CaFeCo octahedra, corners with four equivalent O(6)Sr4FeCo octahedra, edges with two equivalent O(10)Sr4Co2 octahedra, edges with two equivalent O(5)Sr4Fe2 octahedra, faces with two equivalent O(15)Sr3CaFeCo octahedra, and faces with two equivalent O(16)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 0-61°. In the tenth O site, O(10) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Co(2), and one Co(3) atom to form distorted OSr4Co2 octahedra that share corners with two equivalent O(12)Sr2Ca2Co2 octahedra, corners with four equivalent O(14)Sr3CaFeCo octahedra, corners with four equivalent O(5)Sr4Fe2 octahedra, edges with two equivalent O(9)Sr4Fe2 octahedra, edges with two equivalent O(6)Sr4FeCo octahedra, faces with two equivalent O(4)Sr3CaCo2 octahedra, faces with two equivalent O(15)Sr3CaFeCo octahedra, faces with two equivalent O(16)Sr3CaFeCo octahedra, and faces with two equivalent O(2)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 0-60°. In the eleventh O site, O(11) is bonded to two equivalent Sr(3), two equivalent Ca(1), one Fe(4), and one Fe(5) atom to form distorted OSr2Ca2Fe2 octahedra that share corners with two equivalent O(9)Sr4Fe2 octahedra, corners with four equivalent O(4)Sr3CaCo2 octahedra, corners with four equivalent O(14)Sr3CaFeCo octahedra, corners with four equivalent O(2)Sr3CaFeCo octahedra, edges with two equivalent O(12)Sr2Ca2Co2 octahedra, faces with two equivalent O(15)Sr3CaFeCo octahedra, and faces with two equivalent O(16)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 0-60°. In the twelfth O site, O(12) is bonded to two equivalent Sr(3), two equivalent Ca(1), one Co(2), and one Co(3) atom to form distorted OSr2Ca2Co2 octahedra that share corners with two equivalent O(10)Sr4Co2 octahedra, corners with four equivalent O(14)Sr3CaFeCo octahedra, edges with two equivalent O(11)Sr2Ca2Fe2 octahedra, faces with two equivalent O(4)Sr3CaCo2 octahedra, faces with two equivalent O(15)Sr3CaFeCo octahedra, faces with two equivalent O(16)Sr3CaFeCo octahedra, and faces with two equivalent O(2)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 0-59°. In the thirteenth O site, O(13) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Fe(1), and one Fe(2) atom. In the fourteenth O site, O(14) is bonded to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Fe(3), and one Co(1) atom to form distorted OSr3CaFeCo octahedra that share corners with two equivalent O(12)Sr2Ca2Co2 octahedra, corners with two equivalent O(11)Sr2Ca2Fe2 octahedra, corners with two equivalent O(14)Sr3CaFeCo octahedra, corners with two equivalent O(10)Sr4Co2 octahedra, corners with two equivalent O(9)Sr4Fe2 octahedra, corners with four equivalent O(15)Sr3CaFeCo octahedra, corners with four equivalent O(2)Sr3CaFeCo octahedra, edges with two equivalent O(16)Sr3CaFeCo octahedra,  a faceface with one O(5)Sr4Fe2 octahedra,  a faceface with one O(6)Sr4FeCo octahedra, and faces with two equivalent O(4)Sr3CaCo2 octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the fifteenth O site, O(15) is bonded to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Fe(4), and one Co(2) atom to form distorted OSr3CaFeCo octahedra that share corners with two equivalent O(15)Sr3CaFeCo octahedra, corners with two equivalent O(5)Sr4Fe2 octahedra, corners with two equivalent O(6)Sr4FeCo octahedra, corners with four equivalent O(4)Sr3CaCo2 octahedra, corners with four equivalent O(14)Sr3CaFeCo octahedra, edges with two equivalent O(16)Sr3CaFeCo octahedra,  a faceface with one O(12)Sr2Ca2Co2 octahedra,  a faceface with one O(11)Sr2Ca2Fe2 octahedra,  a faceface with one O(10)Sr4Co2 octahedra,  a faceface with one O(9)Sr4Fe2 octahedra, and faces with two equivalent O(2)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 1-62°. In the sixteenth O site, O(16) is bonded to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Fe(5), and one Co(3) atom to form distorted OSr3CaFeCo octahedra that share corners with two equivalent O(16)Sr3CaFeCo octahedra, corners with two equivalent O(5)Sr4Fe2 octahedra, corners with two equivalent O(6)Sr4FeCo octahedra, corners with four equivalent O(2)Sr3CaFeCo octahedra, edges with two equivalent O(14)Sr3CaFeCo octahedra, edges with two equivalent O(15)Sr3CaFeCo octahedra,  a faceface with one O(12)Sr2Ca2Co2 octahedra,  a faceface with one O(11)Sr2Ca2Fe2 octahedra,  a faceface with one O(10)Sr4Co2 octahedra,  a faceface with one O(9)Sr4Fe2 octahedra, and faces with two equivalent O(4)Sr3CaCo2 octahedra. The corner-sharing octahedral tilt angles range from 1-62°.
Sr6Ca2Fe5(CoO8)3 is (Cubic) Perovskite-derived structured and crystallizes in the monoclinic P2 space group. There are three inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(1), one O(10), one O(13), one O(14), one O(15), one O(16), one O(2), one O(3), one O(4), one O(5), one O(6), and one O(9) atom to form SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with eight equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, faces with four equivalent Sr(2)O12 cuboctahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(3)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Fe(5)O6 octahedra,  a faceface with one Co(1)O6 octahedra,  a faceface with one Co(2)O6 octahedra, and  a faceface with one Co(3)O6 octahedra. The Sr(1)-O(1) bond length is 2.77 Å. The Sr(1)-O(10) bond length is 2.71 Å. The Sr(1)-O(13) bond length is 2.77 Å. The Sr(1)-O(14) bond length is 2.75 Å. The Sr(1)-O(15) bond length is 2.74 Å. The Sr(1)-O(16) bond length is 2.72 Å. The Sr(1)-O(2) bond length is 2.75 Å. The Sr(1)-O(3) bond length is 2.76 Å. The Sr(1)-O(4) bond length is 2.74 Å. The Sr(1)-O(5) bond length is 2.77 Å. The Sr(1)-O(6) bond length is 2.75 Å. The Sr(1)-O(9) bond length is 2.74 Å. In the second Sr site, Sr(2) is bonded to one O(1), one O(10), one O(13), one O(14), one O(15), one O(16), one O(2), one O(3), one O(4), one O(5), one O(6), and one O(9) atom to form SrO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with eight equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(3)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Fe(5)O6 octahedra,  a faceface with one Co(1)O6 octahedra,  a faceface with one Co(2)O6 octahedra, and  a faceface with one Co(3)O6 octahedra. The Sr(2)-O(1) bond length is 2.80 Å. The Sr(2)-O(10) bond length is 2.71 Å. The Sr(2)-O(13) bond length is 2.80 Å. The Sr(2)-O(14) bond length is 2.79 Å. The Sr(2)-O(15) bond length is 2.76 Å. The Sr(2)-O(16) bond length is 2.74 Å. The Sr(2)-O(2) bond length is 2.77 Å. The Sr(2)-O(3) bond length is 2.78 Å. The Sr(2)-O(4) bond length is 2.75 Å. The Sr(2)-O(5) bond length is 2.78 Å. The Sr(2)-O(6) bond length is 2.75 Å. The Sr(2)-O(9) bond length is 2.73 Å. In the third Sr site, Sr(3) is bonded to one O(1), one O(11), one O(12), one O(13), one O(14), one O(15), one O(16), one O(2), one O(3), one O(4), one O(7), and one O(8) atom to form SrO12 cuboctahedra that share corners with four equivalent Sr(3)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 Fe(1)O6 octahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(3)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Fe(5)O6 octahedra,  a faceface with one Co(1)O6 octahedra,  a faceface with one Co(2)O6 octahedra, and  a faceface with one Co(3)O6 octahedra. The Sr(3)-O(1) bond length is 2.76 Å. The Sr(3)-O(11) bond length is 2.73 Å. The Sr(3)-O(12) bond length is 2.71 Å. The Sr(3)-O(13) bond length is 2.75 Å. The Sr(3)-O(14) bond length is 2.74 Å. The Sr(3)-O(15) bond length is 2.71 Å. The Sr(3)-O(16) bond length is 2.69 Å. The Sr(3)-O(2) bond length is 2.72 Å. The Sr(3)-O(3) bond length is 2.74 Å. The Sr(3)-O(4) bond length is 2.72 Å. The Sr(3)-O(7) bond length is 2.78 Å. The Sr(3)-O(8) bond length is 2.75 Å. Ca(1) is bonded to one O(1), one O(11), one O(12), one O(13), one O(14), one O(15), one O(16), one O(2), one O(3), one O(4), one O(7), and one O(8) atom to form CaO12 cuboctahedra that share corners with four equivalent Ca(1)O12 cuboctahedra, corners with eight equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with four equivalent Sr(3)O12 cuboctahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(3)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Fe(5)O6 octahedra,  a faceface with one Co(1)O6 octahedra,  a faceface with one Co(2)O6 octahedra, and  a faceface with one Co(3)O6 octahedra. The Ca(1)-O(1) bond length is 2.74 Å. The Ca(1)-O(11) bond length is 2.72 Å. The Ca(1)-O(12) bond length is 2.69 Å. The Ca(1)-O(13) bond length is 2.75 Å. The Ca(1)-O(14) bond length is 2.72 Å. The Ca(1)-O(15) bond length is 2.67 Å. The Ca(1)-O(16) bond length is 2.66 Å. The Ca(1)-O(2) bond length is 2.71 Å. The Ca(1)-O(3) bond length is 2.72 Å. The Ca(1)-O(4) bond length is 2.69 Å. The Ca(1)-O(7) bond length is 2.79 Å. The Ca(1)-O(8) bond length is 2.76 Å. There are five inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(5), one O(7), two equivalent O(1), and two equivalent O(13) atoms to form FeO6 octahedra that share corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with two equivalent Fe(4)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. The Fe(1)-O(5) bond length is 1.95 Å. The Fe(1)-O(7) bond length is 1.92 Å. Both Fe(1)-O(1) bond lengths are 1.93 Å. Both Fe(1)-O(13) bond lengths are 1.96 Å. In the second Fe site, Fe(2) is bonded to one O(6), one O(8), two equivalent O(13), and two equivalent O(2) atoms to form FeO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. The Fe(2)-O(6) bond length is 2.07 Å. The Fe(2)-O(8) bond length is 2.03 Å. Both Fe(2)-O(13) bond lengths are 1.93 Å. Both Fe(2)-O(2) bond lengths are 1.96 Å. In the third Fe site, Fe(3) is bonded to one O(5), one O(7), two equivalent O(14), and two equivalent O(3) atoms to form FeO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(5)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)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(5) bond length is 1.95 Å. The Fe(3)-O(7) bond length is 1.93 Å. Both Fe(3)-O(14) bond lengths are 1.96 Å. Both Fe(3)-O(3) bond lengths are 1.95 Å. In the fourth Fe site, Fe(4) is bonded to one O(11), one O(9), two equivalent O(1), and two equivalent O(15) atoms to form FeO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(5)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Fe(4)-O(11) bond length is 1.93 Å. The Fe(4)-O(9) bond length is 1.95 Å. Both Fe(4)-O(1) bond lengths are 1.93 Å. Both Fe(4)-O(15) bond lengths are 2.00 Å. In the fifth Fe site, Fe(5) is bonded to one O(11), one O(9), two equivalent O(16), and two equivalent O(3) atoms to form FeO6 octahedra that share corners with two equivalent Fe(3)O6 octahedra, corners with two equivalent Fe(4)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Fe(5)-O(11) bond length is 1.93 Å. The Fe(5)-O(9) bond length is 1.94 Å. Both Fe(5)-O(16) bond lengths are 1.95 Å. Both Fe(5)-O(3) bond lengths are 1.92 Å. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(6), one O(8), two equivalent O(14), and two equivalent O(4) atoms to form CoO6 octahedra that share corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Co(1)-O(6) bond length is 1.84 Å. The Co(1)-O(8) bond length is 1.81 Å. Both Co(1)-O(14) bond lengths are 1.93 Å. Both Co(1)-O(4) bond lengths are 2.03 Å. In the second Co site, Co(2) is bonded to one O(10), one O(12), two equivalent O(15), and two equivalent O(2) atoms to form CoO6 octahedra that share corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(4)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Co(2)-O(10) bond length is 1.95 Å. The Co(2)-O(12) bond length is 1.92 Å. Both Co(2)-O(15) bond lengths are 1.89 Å. Both Co(2)-O(2) bond lengths are 1.91 Å. In the third Co site, Co(3) is bonded to one O(10), one O(12), two equivalent O(16), and two equivalent O(4) atoms to form CoO6 octahedra that share corners with two equivalent Fe(5)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Co(3)-O(10) bond length is 1.95 Å. The Co(3)-O(12) bond length is 1.93 Å. Both Co(3)-O(16) bond lengths are 1.94 Å. Both Co(3)-O(4) bond lengths are 1.83 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 Sr(3), one Ca(1), one Fe(1), and one Fe(4) atom. In the second O site, O(2) is bonded to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Fe(2), and one Co(2) atom to form distorted OSr3CaFeCo octahedra that share corners with two equivalent O(11)Sr2Ca2Fe2 octahedra, corners with two equivalent O(2)Sr3CaFeCo octahedra, corners with two equivalent O(5)Sr4Fe2 octahedra, corners with two equivalent O(9)Sr4Fe2 octahedra, corners with four equivalent O(14)Sr3CaFeCo octahedra, corners with four equivalent O(16)Sr3CaFeCo octahedra, edges with two equivalent O(4)Sr3CaCo2 octahedra,  a faceface with one O(12)Sr2Ca2Co2 octahedra,  a faceface with one O(10)Sr4Co2 octahedra,  a faceface with one O(6)Sr4FeCo octahedra, and faces with two equivalent O(15)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the third O site, O(3) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Fe(3), and one Fe(5) atom. In the fourth O site, O(4) is bonded to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Co(1), and one Co(3) atom to form distorted OSr3CaCo2 octahedra that share corners with two equivalent O(11)Sr2Ca2Fe2 octahedra, corners with two equivalent O(4)Sr3CaCo2 octahedra, corners with two equivalent O(5)Sr4Fe2 octahedra, corners with two equivalent O(9)Sr4Fe2 octahedra, corners with four equivalent O(15)Sr3CaFeCo octahedra, edges with two equivalent O(2)Sr3CaFeCo octahedra,  a faceface with one O(12)Sr2Ca2Co2 octahedra,  a faceface with one O(10)Sr4Co2 octahedra,  a faceface with one O(6)Sr4FeCo octahedra, faces with two equivalent O(14)Sr3CaFeCo octahedra, and faces with two equivalent O(16)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 1-62°. In the fifth O site, O(5) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Fe(1), and one Fe(3) atom to form distorted OSr4Fe2 octahedra that share corners with four equivalent O(4)Sr3CaCo2 octahedra, corners with four equivalent O(15)Sr3CaFeCo octahedra, corners with four equivalent O(16)Sr3CaFeCo octahedra, corners with four equivalent O(2)Sr3CaFeCo octahedra, corners with four equivalent O(10)Sr4Co2 octahedra, edges with two equivalent O(9)Sr4Fe2 octahedra, edges with two equivalent O(6)Sr4FeCo octahedra, and faces with two equivalent O(14)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the sixth O site, O(6) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Fe(2), and one Co(1) atom to form distorted OSr4FeCo octahedra that share corners with four equivalent O(15)Sr3CaFeCo octahedra, corners with four equivalent O(16)Sr3CaFeCo octahedra, corners with four equivalent O(9)Sr4Fe2 octahedra, edges with two equivalent O(10)Sr4Co2 octahedra, edges with two equivalent O(5)Sr4Fe2 octahedra, faces with two equivalent O(4)Sr3CaCo2 octahedra, faces with two equivalent O(14)Sr3CaFeCo octahedra, and faces with two equivalent O(2)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 2-62°. In the seventh O site, O(7) is bonded in a distorted linear geometry to two equivalent Sr(3), two equivalent Ca(1), one Fe(1), and one Fe(3) atom. In the eighth O site, O(8) is bonded in a distorted linear geometry to two equivalent Sr(3), two equivalent Ca(1), one Fe(2), and one Co(1) atom. In the ninth O site, O(9) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Fe(4), and one Fe(5) atom to form distorted OSr4Fe2 octahedra that share corners with two equivalent O(11)Sr2Ca2Fe2 octahedra, corners with four equivalent O(4)Sr3CaCo2 octahedra, corners with four equivalent O(14)Sr3CaFeCo octahedra, corners with four equivalent O(2)Sr3CaFeCo octahedra, corners with four equivalent O(6)Sr4FeCo octahedra, edges with two equivalent O(10)Sr4Co2 octahedra, edges with two equivalent O(5)Sr4Fe2 octahedra, faces with two equivalent O(15)Sr3CaFeCo octahedra, and faces with two equivalent O(16)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 0-61°. In the tenth O site, O(10) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Co(2), and one Co(3) atom to form distorted OSr4Co2 octahedra that share corners with two equivalent O(12)Sr2Ca2Co2 octahedra, corners with four equivalent O(14)Sr3CaFeCo octahedra, corners with four equivalent O(5)Sr4Fe2 octahedra, edges with two equivalent O(9)Sr4Fe2 octahedra, edges with two equivalent O(6)Sr4FeCo octahedra, faces with two equivalent O(4)Sr3CaCo2 octahedra, faces with two equivalent O(15)Sr3CaFeCo octahedra, faces with two equivalent O(16)Sr3CaFeCo octahedra, and faces with two equivalent O(2)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 0-60°. In the eleventh O site, O(11) is bonded to two equivalent Sr(3), two equivalent Ca(1), one Fe(4), and one Fe(5) atom to form distorted OSr2Ca2Fe2 octahedra that share corners with two equivalent O(9)Sr4Fe2 octahedra, corners with four equivalent O(4)Sr3CaCo2 octahedra, corners with four equivalent O(14)Sr3CaFeCo octahedra, corners with four equivalent O(2)Sr3CaFeCo octahedra, edges with two equivalent O(12)Sr2Ca2Co2 octahedra, faces with two equivalent O(15)Sr3CaFeCo octahedra, and faces with two equivalent O(16)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 0-60°. In the twelfth O site, O(12) is bonded to two equivalent Sr(3), two equivalent Ca(1), one Co(2), and one Co(3) atom to form distorted OSr2Ca2Co2 octahedra that share corners with two equivalent O(10)Sr4Co2 octahedra, corners with four equivalent O(14)Sr3CaFeCo octahedra, edges with two equivalent O(11)Sr2Ca2Fe2 octahedra, faces with two equivalent O(4)Sr3CaCo2 octahedra, faces with two equivalent O(15)Sr3CaFeCo octahedra, faces with two equivalent O(16)Sr3CaFeCo octahedra, and faces with two equivalent O(2)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 0-59°. In the thirteenth O site, O(13) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Fe(1), and one Fe(2) atom. In the fourteenth O site, O(14) is bonded to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Fe(3), and one Co(1) atom to form distorted OSr3CaFeCo octahedra that share corners with two equivalent O(12)Sr2Ca2Co2 octahedra, corners with two equivalent O(11)Sr2Ca2Fe2 octahedra, corners with two equivalent O(14)Sr3CaFeCo octahedra, corners with two equivalent O(10)Sr4Co2 octahedra, corners with two equivalent O(9)Sr4Fe2 octahedra, corners with four equivalent O(15)Sr3CaFeCo octahedra, corners with four equivalent O(2)Sr3CaFeCo octahedra, edges with two equivalent O(16)Sr3CaFeCo octahedra,  a faceface with one O(5)Sr4Fe2 octahedra,  a faceface with one O(6)Sr4FeCo octahedra, and faces with two equivalent O(4)Sr3CaCo2 octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the fifteenth O site, O(15) is bonded to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Fe(4), and one Co(2) atom to form distorted OSr3CaFeCo octahedra that share corners with two equivalent O(15)Sr3CaFeCo octahedra, corners with two equivalent O(5)Sr4Fe2 octahedra, corners with two equivalent O(6)Sr4FeCo octahedra, corners with four equivalent O(4)Sr3CaCo2 octahedra, corners with four equivalent O(14)Sr3CaFeCo octahedra, edges with two equivalent O(16)Sr3CaFeCo octahedra,  a faceface with one O(12)Sr2Ca2Co2 octahedra,  a faceface with one O(11)Sr2Ca2Fe2 octahedra,  a faceface with one O(10)Sr4Co2 octahedra,  a faceface with one O(9)Sr4Fe2 octahedra, and faces with two equivalent O(2)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 1-62°. In the sixteenth O site, O(16) is bonded to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Fe(5), and one Co(3) atom to form distorted OSr3CaFeCo octahedra that share corners with two equivalent O(16)Sr3CaFeCo octahedra, corners with two equivalent O(5)Sr4Fe2 octahedra, corners with two equivalent O(6)Sr4FeCo octahedra, corners with four equivalent O(2)Sr3CaFeCo octahedra, edges with two equivalent O(14)Sr3CaFeCo octahedra, edges with two equivalent O(15)Sr3CaFeCo octahedra,  a faceface with one O(12)Sr2Ca2Co2 octahedra,  a faceface with one O(11)Sr2Ca2Fe2 octahedra,  a faceface with one O(10)Sr4Co2 octahedra,  a faceface with one O(9)Sr4Fe2 octahedra, and faces with two equivalent O(4)Sr3CaCo2 octahedra. The corner-sharing octahedral tilt angles range from 1-62°.