Ba3Sr5Co2(CuO4)6 is (Cubic) Perovskite-derived structured and crystallizes in the monoclinic Pm space group. There are three inequivalent Ba sites. In the first Ba site, Ba(1) is bonded to one O(1), one O(2), one O(3), one O(4), two equivalent O(11), two equivalent O(12), two equivalent O(13), and two equivalent O(15) atoms to form BaO12 cuboctahedra that share corners with four equivalent Ba(3)O12 cuboctahedra, corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Ba(2)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra, faces with two equivalent Co(1)O6 octahedra, faces with two equivalent Cu(1)O6 octahedra, faces with two equivalent Cu(2)O6 octahedra, and faces with two equivalent Cu(3)O6 octahedra. In the second Ba site, Ba(2) is bonded to one O(1), one O(2), one O(3), one O(4), two equivalent O(11), two equivalent O(12), two equivalent O(14), and two equivalent O(16) atoms to form BaO12 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 Ba(1)O12 cuboctahedra, faces with two equivalent Ba(3)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Co(1)O6 octahedra, faces with two equivalent Cu(1)O6 octahedra, faces with two equivalent Cu(2)O6 octahedra, and faces with two equivalent Cu(3)O6 octahedra. In the third Ba site, Ba(3) is bonded to one O(5), one O(6), one O(7), one O(8), two equivalent O(11), two equivalent O(12), two equivalent O(14), and two equivalent O(16) atoms to form BaO12 cuboctahedra that share corners with four equivalent Ba(1)O12 cuboctahedra, corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Ba(2)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra, faces with two equivalent Co(1)O6 octahedra, faces with two equivalent Cu(1)O6 octahedra, faces with two equivalent Cu(2)O6 octahedra, and faces with two equivalent Cu(3)O6 octahedra. There are five inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(1), one O(2), one O(3), one O(4), two equivalent O(10), two equivalent O(13), two equivalent O(15), and two equivalent O(9) atoms to form SrO12 cuboctahedra that share corners with four equivalent Ba(2)O12 cuboctahedra, corners with four equivalent Sr(4)O12 cuboctahedra, corners with four equivalent Sr(5)O12 cuboctahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Co(1)O6 octahedra, faces with two equivalent Cu(1)O6 octahedra, faces with two equivalent Cu(2)O6 octahedra, and faces with two equivalent Cu(3)O6 octahedra. In the second Sr site, Sr(2) is bonded to one O(1), one O(2), one O(3), one O(4), two equivalent O(10), two equivalent O(14), two equivalent O(16), and two equivalent O(9) atoms to form SrO12 cuboctahedra that share corners with four equivalent Ba(1)O12 cuboctahedra, corners with four equivalent Ba(3)O12 cuboctahedra, corners with four equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Ba(2)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Co(1)O6 octahedra, faces with two equivalent Cu(1)O6 octahedra, faces with two equivalent Cu(2)O6 octahedra, and faces with two equivalent Cu(3)O6 octahedra. In the third Sr site, Sr(3) is bonded to one O(5), one O(6), one O(7), one O(8), two equivalent O(10), two equivalent O(13), two equivalent O(15), and two equivalent O(9) atoms to form SrO12 cuboctahedra that share corners with four equivalent Ba(1)O12 cuboctahedra, corners with four equivalent Ba(3)O12 cuboctahedra, corners with four equivalent Sr(2)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 Co(1)O6 octahedra, faces with two equivalent Cu(1)O6 octahedra, faces with two equivalent Cu(2)O6 octahedra, and faces with two equivalent Cu(3)O6 octahedra. In the fourth Sr site, Sr(4) is bonded to one O(5), one O(6), one O(7), one O(8), two equivalent O(10), two equivalent O(14), two equivalent O(16), and two equivalent O(9) atoms to form SrO12 cuboctahedra that share corners with four equivalent Ba(2)O12 cuboctahedra, corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(5)O12 cuboctahedra, faces with two equivalent Ba(3)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Co(1)O6 octahedra, faces with two equivalent Cu(1)O6 octahedra, faces with two equivalent Cu(2)O6 octahedra, and faces with two equivalent Cu(3)O6 octahedra. In the fifth Sr site, Sr(5) is bonded to one O(5), one O(6), one O(7), one O(8), two equivalent O(11), two equivalent O(12), two equivalent O(13), and two equivalent O(15) atoms to form SrO12 cuboctahedra that share corners with four equivalent Ba(2)O12 cuboctahedra, corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with two equivalent Ba(3)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Co(1)O6 octahedra, faces with two equivalent Cu(1)O6 octahedra, faces with two equivalent Cu(2)O6 octahedra, and faces with two equivalent Cu(3)O6 octahedra. Co(1) is bonded to one O(10), one O(12), one O(15), one O(16), one O(4), and one O(8) atom to form CoO6 octahedra that share corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Cu(2)O6 octahedra, corners with two equivalent Cu(3)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Ba(2)O12 cuboctahedra,  a faceface with one Ba(3)O12 cuboctahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra, and  a faceface with one Sr(5)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-3°. There are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(1), one O(11), one O(13), one O(14), one O(5), and one O(9) atom to form CuO6 octahedra that share corners with two equivalent Cu(1)O6 octahedra, corners with two equivalent Cu(2)O6 octahedra, corners with two equivalent Cu(3)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Ba(2)O12 cuboctahedra,  a faceface with one Ba(3)O12 cuboctahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra, and  a faceface with one Sr(5)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 1-6°. In the second Cu site, Cu(2) is bonded to one O(10), one O(12), one O(13), one O(14), one O(2), and one O(6) atom to form CuO6 octahedra that share corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Cu(1)O6 octahedra, corners with two equivalent Cu(2)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Ba(2)O12 cuboctahedra,  a faceface with one Ba(3)O12 cuboctahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra, and  a faceface with one Sr(5)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-6°. In the third Cu site, Cu(3) is bonded to one O(11), one O(15), one O(16), one O(3), one O(7), and one O(9) atom to form CuO6 octahedra that share corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Cu(1)O6 octahedra, corners with two equivalent Cu(3)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Ba(2)O12 cuboctahedra,  a faceface with one Ba(3)O12 cuboctahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra, and  a faceface with one Sr(5)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 1-7°. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded to one Ba(1), one Ba(2), one Sr(1), one Sr(2), and two equivalent Cu(1) atoms to form distorted OBa2Sr2Cu2 octahedra that share corners with two equivalent O(5)BaSr3Cu2 octahedra, corners with four equivalent O(4)Ba2Sr2Co2 octahedra, corners with four equivalent O(16)Ba2Sr2CoCu octahedra, corners with four equivalent O(12)Ba3SrCoCu octahedra, edges with two equivalent O(2)Ba2Sr2Cu2 octahedra, edges with two equivalent O(3)Ba2Sr2Cu2 octahedra, faces with two equivalent O(14)Ba2Sr2Cu2 octahedra, faces with two equivalent O(11)Ba3SrCu2 octahedra, and faces with two equivalent O(13)BaSr3Cu2 octahedra. The corner-sharing octahedral tilt angles range from 0-60°. In the second O site, O(2) is bonded to one Ba(1), one Ba(2), one Sr(1), one Sr(2), and two equivalent Cu(2) atoms to form distorted OBa2Sr2Cu2 octahedra that share corners with two equivalent O(6)BaSr3Cu2 octahedra, corners with four equivalent O(16)Ba2Sr2CoCu octahedra, corners with four equivalent O(3)Ba2Sr2Cu2 octahedra, corners with four equivalent O(11)Ba3SrCu2 octahedra, edges with two equivalent O(4)Ba2Sr2Co2 octahedra, edges with two equivalent O(1)Ba2Sr2Cu2 octahedra, faces with two equivalent O(14)Ba2Sr2Cu2 octahedra, faces with two equivalent O(12)Ba3SrCoCu octahedra, and faces with two equivalent O(13)BaSr3Cu2 octahedra. The corner-sharing octahedral tilt angles range from 1-64°. In the third O site, O(3) is bonded to one Ba(1), one Ba(2), one Sr(1), one Sr(2), and two equivalent Cu(3) atoms to form distorted OBa2Sr2Cu2 octahedra that share corners with two equivalent O(7)BaSr3Cu2 octahedra, corners with four equivalent O(14)Ba2Sr2Cu2 octahedra, corners with four equivalent O(2)Ba2Sr2Cu2 octahedra, corners with four equivalent O(12)Ba3SrCoCu octahedra, corners with four equivalent O(13)BaSr3Cu2 octahedra, edges with two equivalent O(4)Ba2Sr2Co2 octahedra, edges with two equivalent O(1)Ba2Sr2Cu2 octahedra, faces with two equivalent O(16)Ba2Sr2CoCu octahedra, and faces with two equivalent O(11)Ba3SrCu2 octahedra. The corner-sharing octahedral tilt angles range from 1-63°. In the fourth O site, O(4) is bonded to one Ba(1), one Ba(2), one Sr(1), one Sr(2), and two equivalent Co(1) atoms to form distorted OBa2Sr2Co2 octahedra that share corners with four equivalent O(1)Ba2Sr2Cu2 octahedra, corners with four equivalent O(14)Ba2Sr2Cu2 octahedra, corners with four equivalent O(11)Ba3SrCu2 octahedra, corners with four equivalent O(13)BaSr3Cu2 octahedra, edges with two equivalent O(2)Ba2Sr2Cu2 octahedra, edges with two equivalent O(3)Ba2Sr2Cu2 octahedra, faces with two equivalent O(16)Ba2Sr2CoCu octahedra, and faces with two equivalent O(12)Ba3SrCoCu octahedra. The corner-sharing octahedral tilt angles range from 0-63°. In the fifth O site, O(5) is bonded to one Ba(3), one Sr(3), one Sr(4), one Sr(5), and two equivalent Cu(1) atoms to form distorted OBaSr3Cu2 octahedra that share corners with two equivalent O(1)Ba2Sr2Cu2 octahedra, corners with four equivalent O(16)Ba2Sr2CoCu octahedra, corners with four equivalent O(12)Ba3SrCoCu octahedra, edges with two equivalent O(6)BaSr3Cu2 octahedra, edges with two equivalent O(7)BaSr3Cu2 octahedra, faces with two equivalent O(14)Ba2Sr2Cu2 octahedra, faces with two equivalent O(11)Ba3SrCu2 octahedra, and faces with two equivalent O(13)BaSr3Cu2 octahedra. The corner-sharing octahedral tilt angles range from 5-60°. In the sixth O site, O(6) is bonded to one Ba(3), one Sr(3), one Sr(4), one Sr(5), and two equivalent Cu(2) atoms to form distorted OBaSr3Cu2 octahedra that share corners with two equivalent O(2)Ba2Sr2Cu2 octahedra, corners with four equivalent O(16)Ba2Sr2CoCu octahedra, corners with four equivalent O(11)Ba3SrCu2 octahedra, corners with four equivalent O(7)BaSr3Cu2 octahedra, edges with two equivalent O(5)BaSr3Cu2 octahedra, faces with two equivalent O(14)Ba2Sr2Cu2 octahedra, faces with two equivalent O(12)Ba3SrCoCu octahedra, and faces with two equivalent O(13)BaSr3Cu2 octahedra. The corner-sharing octahedral tilt angles range from 1-64°. In the seventh O site, O(7) is bonded to one Ba(3), one Sr(3), one Sr(4), one Sr(5), and two equivalent Cu(3) atoms to form distorted OBaSr3Cu2 octahedra that share corners with two equivalent O(3)Ba2Sr2Cu2 octahedra, corners with four equivalent O(14)Ba2Sr2Cu2 octahedra, corners with four equivalent O(12)Ba3SrCoCu octahedra, corners with four equivalent O(13)BaSr3Cu2 octahedra, corners with four equivalent O(6)BaSr3Cu2 octahedra, edges with two equivalent O(5)BaSr3Cu2 octahedra, faces with two equivalent O(16)Ba2Sr2CoCu octahedra, and faces with two equivalent O(11)Ba3SrCu2 octahedra. The corner-sharing octahedral tilt angles range from 1-63°. In the eighth O site, O(8) is bonded in a distorted linear geometry to one Ba(3), one Sr(3), one Sr(4), one Sr(5), and two equivalent Co(1) atoms. In the ninth O site, O(9) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Cu(1), and one Cu(3) atom. In the tenth O site, O(10) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Co(1), and one Cu(2) atom. In the eleventh O site, O(11) is bonded to one Ba(1), one Ba(2), one Ba(3), one Sr(5), one Cu(1), and one Cu(3) atom to form distorted OBa3SrCu2 octahedra that share corners with two equivalent O(4)Ba2Sr2Co2 octahedra, corners with two equivalent O(16)Ba2Sr2CoCu octahedra, corners with two equivalent O(14)Ba2Sr2Cu2 octahedra, corners with two equivalent O(2)Ba2Sr2Cu2 octahedra, corners with two equivalent O(13)BaSr3Cu2 octahedra, corners with two equivalent O(6)BaSr3Cu2 octahedra, corners with four equivalent O(12)Ba3SrCoCu octahedra, edges with two equivalent O(12)Ba3SrCoCu octahedra, edges with two equivalent O(11)Ba3SrCu2 octahedra,  a faceface with one O(16)Ba2Sr2CoCu octahedra,  a faceface with one O(1)Ba2Sr2Cu2 octahedra,  a faceface with one O(14)Ba2Sr2Cu2 octahedra,  a faceface with one O(3)Ba2Sr2Cu2 octahedra,  a faceface with one O(13)BaSr3Cu2 octahedra,  a faceface with one O(5)BaSr3Cu2 octahedra, and  a faceface with one O(7)BaSr3Cu2 octahedra. The corner-sharing octahedral tilt angles range from 2-62°. In the twelfth O site, O(12) is bonded to one Ba(1), one Ba(2), one Ba(3), one Sr(5), one Co(1), and one Cu(2) atom to form distorted OBa3SrCoCu octahedra that share corners with two equivalent O(16)Ba2Sr2CoCu octahedra, corners with two equivalent O(1)Ba2Sr2Cu2 octahedra, corners with two equivalent O(14)Ba2Sr2Cu2 octahedra, corners with two equivalent O(3)Ba2Sr2Cu2 octahedra, corners with two equivalent O(13)BaSr3Cu2 octahedra, corners with two equivalent O(5)BaSr3Cu2 octahedra, corners with two equivalent O(7)BaSr3Cu2 octahedra, corners with four equivalent O(11)Ba3SrCu2 octahedra, edges with two equivalent O(12)Ba3SrCoCu octahedra, edges with two equivalent O(11)Ba3SrCu2 octahedra,  a faceface with one O(4)Ba2Sr2Co2 octahedra,  a faceface with one O(16)Ba2Sr2CoCu octahedra,  a faceface with one O(14)Ba2Sr2Cu2 octahedra,  a faceface with one O(2)Ba2Sr2Cu2 octahedra,  a faceface with one O(13)BaSr3Cu2 octahedra, and  a faceface with one O(6)BaSr3Cu2 octahedra. The corner-sharing octahedral tilt angles range from 2-64°. In the thirteenth O site, O(13) is bonded to one Ba(1), one Sr(1), one Sr(3), one Sr(5), one Cu(1), and one Cu(2) atom to form distorted OBaSr3Cu2 octahedra that share corners with two equivalent O(4)Ba2Sr2Co2 octahedra, corners with two equivalent O(14)Ba2Sr2Cu2 octahedra, corners with two equivalent O(3)Ba2Sr2Cu2 octahedra, corners with two equivalent O(12)Ba3SrCoCu octahedra, corners with two equivalent O(11)Ba3SrCu2 octahedra, corners with two equivalent O(7)BaSr3Cu2 octahedra, edges with two equivalent O(13)BaSr3Cu2 octahedra,  a faceface with one O(1)Ba2Sr2Cu2 octahedra,  a faceface with one O(2)Ba2Sr2Cu2 octahedra,  a faceface with one O(12)Ba3SrCoCu octahedra,  a faceface with one O(11)Ba3SrCu2 octahedra,  a faceface with one O(5)BaSr3Cu2 octahedra, and  a faceface with one O(6)BaSr3Cu2 octahedra. The corner-sharing octahedral tilt angles range from 5-63°. In the fourteenth O site, O(14) is bonded to one Ba(2), one Ba(3), one Sr(2), one Sr(4), one Cu(1), and one Cu(2) atom to form distorted OBa2Sr2Cu2 octahedra that share corners with two equivalent O(4)Ba2Sr2Co2 octahedra, corners with two equivalent O(3)Ba2Sr2Cu2 octahedra, corners with two equivalent O(12)Ba3SrCoCu octahedra, corners with two equivalent O(11)Ba3SrCu2 octahedra, corners with two equivalent O(13)BaSr3Cu2 octahedra, corners with two equivalent O(7)BaSr3Cu2 octahedra, corners with four equivalent O(16)Ba2Sr2CoCu octahedra, edges with two equivalent O(16)Ba2Sr2CoCu octahedra, edges with two equivalent O(14)Ba2Sr2Cu2 octahedra,  a faceface with one O(1)Ba2Sr2Cu2 octahedra,  a faceface with one O(2)Ba2Sr2Cu2 octahedra,  a faceface with one O(12)Ba3SrCoCu octahedra,  a faceface with one O(11)Ba3SrCu2 octahedra,  a faceface with one O(5)BaSr3Cu2 octahedra, and  a faceface with one O(6)BaSr3Cu2 octahedra. The corner-sharing octahedral tilt angles range from 2-63°. In the fifteenth O site, O(15) is bonded in a distorted linear geometry to one Ba(1), one Sr(1), one Sr(3), one Sr(5), one Co(1), and one Cu(3) atom. In the sixteenth O site, O(16) is bonded to one Ba(2), one Ba(3), one Sr(2), one Sr(4), one Co(1), and one Cu(3) atom to form distorted OBa2Sr2CoCu octahedra that share corners with two equivalent O(1)Ba2Sr2Cu2 octahedra, corners with two equivalent O(2)Ba2Sr2Cu2 octahedra, corners with two equivalent O(12)Ba3SrCoCu octahedra, corners with two equivalent O(11)Ba3SrCu2 octahedra, corners with two equivalent O(5)BaSr3Cu2 octahedra, corners with two equivalent O(6)BaSr3Cu2 octahedra, corners with four equivalent O(14)Ba2Sr2Cu2 octahedra, edges with two equivalent O(16)Ba2Sr2CoCu octahedra, edges with two equivalent O(14)Ba2Sr2Cu2 octahedra,  a faceface with one O(4)Ba2Sr2Co2 octahedra,  a faceface with one O(3)Ba2Sr2Cu2 octahedra,  a faceface with one O(12)Ba3SrCoCu octahedra,  a faceface with one O(11)Ba3SrCu2 octahedra, and  a faceface with one O(7)BaSr3Cu2 octahedra. The corner-sharing octahedral tilt angles range from 2-64°.
Ba3Sr5Co2(CuO4)6 is (Cubic) Perovskite-derived structured and crystallizes in the monoclinic Pm space group. There are three inequivalent Ba sites. In the first Ba site, Ba(1) is bonded to one O(1), one O(2), one O(3), one O(4), two equivalent O(11), two equivalent O(12), two equivalent O(13), and two equivalent O(15) atoms to form BaO12 cuboctahedra that share corners with four equivalent Ba(3)O12 cuboctahedra, corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Ba(2)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra, faces with two equivalent Co(1)O6 octahedra, faces with two equivalent Cu(1)O6 octahedra, faces with two equivalent Cu(2)O6 octahedra, and faces with two equivalent Cu(3)O6 octahedra. The Ba(1)-O(1) bond length is 2.83 Å. The Ba(1)-O(2) bond length is 2.84 Å. The Ba(1)-O(3) bond length is 2.87 Å. The Ba(1)-O(4) bond length is 2.84 Å. Both Ba(1)-O(11) bond lengths are 2.78 Å. Both Ba(1)-O(12) bond lengths are 2.79 Å. Both Ba(1)-O(13) bond lengths are 2.85 Å. Both Ba(1)-O(15) bond lengths are 2.85 Å. In the second Ba site, Ba(2) is bonded to one O(1), one O(2), one O(3), one O(4), two equivalent O(11), two equivalent O(12), two equivalent O(14), and two equivalent O(16) atoms to form BaO12 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 Ba(1)O12 cuboctahedra, faces with two equivalent Ba(3)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Co(1)O6 octahedra, faces with two equivalent Cu(1)O6 octahedra, faces with two equivalent Cu(2)O6 octahedra, and faces with two equivalent Cu(3)O6 octahedra. The Ba(2)-O(1) bond length is 2.84 Å. The Ba(2)-O(2) bond length is 2.86 Å. The Ba(2)-O(3) bond length is 2.87 Å. The Ba(2)-O(4) bond length is 2.85 Å. Both Ba(2)-O(11) bond lengths are 2.85 Å. Both Ba(2)-O(12) bond lengths are 2.84 Å. Both Ba(2)-O(14) bond lengths are 2.85 Å. Both Ba(2)-O(16) bond lengths are 2.85 Å. In the third Ba site, Ba(3) is bonded to one O(5), one O(6), one O(7), one O(8), two equivalent O(11), two equivalent O(12), two equivalent O(14), and two equivalent O(16) atoms to form BaO12 cuboctahedra that share corners with four equivalent Ba(1)O12 cuboctahedra, corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Ba(2)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra, faces with two equivalent Co(1)O6 octahedra, faces with two equivalent Cu(1)O6 octahedra, faces with two equivalent Cu(2)O6 octahedra, and faces with two equivalent Cu(3)O6 octahedra. The Ba(3)-O(5) bond length is 2.84 Å. The Ba(3)-O(6) bond length is 2.86 Å. The Ba(3)-O(7) bond length is 2.87 Å. The Ba(3)-O(8) bond length is 2.85 Å. Both Ba(3)-O(11) bond lengths are 2.77 Å. Both Ba(3)-O(12) bond lengths are 2.80 Å. Both Ba(3)-O(14) bond lengths are 2.83 Å. Both Ba(3)-O(16) bond lengths are 2.84 Å. There are five inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(1), one O(2), one O(3), one O(4), two equivalent O(10), two equivalent O(13), two equivalent O(15), and two equivalent O(9) atoms to form SrO12 cuboctahedra that share corners with four equivalent Ba(2)O12 cuboctahedra, corners with four equivalent Sr(4)O12 cuboctahedra, corners with four equivalent Sr(5)O12 cuboctahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Co(1)O6 octahedra, faces with two equivalent Cu(1)O6 octahedra, faces with two equivalent Cu(2)O6 octahedra, and faces with two equivalent Cu(3)O6 octahedra. The Sr(1)-O(1) bond length is 2.65 Å. The Sr(1)-O(2) bond length is 2.70 Å. The Sr(1)-O(3) bond length is 2.68 Å. The Sr(1)-O(4) bond length is 2.77 Å. Both Sr(1)-O(10) bond lengths are 2.80 Å. Both Sr(1)-O(13) bond lengths are 2.75 Å. Both Sr(1)-O(15) bond lengths are 2.78 Å. Both Sr(1)-O(9) bond lengths are 2.76 Å. In the second Sr site, Sr(2) is bonded to one O(1), one O(2), one O(3), one O(4), two equivalent O(10), two equivalent O(14), two equivalent O(16), and two equivalent O(9) atoms to form SrO12 cuboctahedra that share corners with four equivalent Ba(1)O12 cuboctahedra, corners with four equivalent Ba(3)O12 cuboctahedra, corners with four equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Ba(2)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Co(1)O6 octahedra, faces with two equivalent Cu(1)O6 octahedra, faces with two equivalent Cu(2)O6 octahedra, and faces with two equivalent Cu(3)O6 octahedra. The Sr(2)-O(1) bond length is 2.67 Å. The Sr(2)-O(2) bond length is 2.72 Å. The Sr(2)-O(3) bond length is 2.69 Å. The Sr(2)-O(4) bond length is 2.78 Å. Both Sr(2)-O(10) bond lengths are 2.82 Å. Both Sr(2)-O(14) bond lengths are 2.70 Å. Both Sr(2)-O(16) bond lengths are 2.75 Å. Both Sr(2)-O(9) bond lengths are 2.78 Å. In the third Sr site, Sr(3) is bonded to one O(5), one O(6), one O(7), one O(8), two equivalent O(10), two equivalent O(13), two equivalent O(15), and two equivalent O(9) atoms to form SrO12 cuboctahedra that share corners with four equivalent Ba(1)O12 cuboctahedra, corners with four equivalent Ba(3)O12 cuboctahedra, corners with four equivalent Sr(2)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 Co(1)O6 octahedra, faces with two equivalent Cu(1)O6 octahedra, faces with two equivalent Cu(2)O6 octahedra, and faces with two equivalent Cu(3)O6 octahedra. The Sr(3)-O(5) bond length is 2.65 Å. The Sr(3)-O(6) bond length is 2.70 Å. The Sr(3)-O(7) bond length is 2.69 Å. The Sr(3)-O(8) bond length is 2.78 Å. Both Sr(3)-O(10) bond lengths are 2.79 Å. Both Sr(3)-O(13) bond lengths are 2.67 Å. Both Sr(3)-O(15) bond lengths are 2.75 Å. Both Sr(3)-O(9) bond lengths are 2.74 Å. In the fourth Sr site, Sr(4) is bonded to one O(5), one O(6), one O(7), one O(8), two equivalent O(10), two equivalent O(14), two equivalent O(16), and two equivalent O(9) atoms to form SrO12 cuboctahedra that share corners with four equivalent Ba(2)O12 cuboctahedra, corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(5)O12 cuboctahedra, faces with two equivalent Ba(3)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Co(1)O6 octahedra, faces with two equivalent Cu(1)O6 octahedra, faces with two equivalent Cu(2)O6 octahedra, and faces with two equivalent Cu(3)O6 octahedra. The Sr(4)-O(5) bond length is 2.71 Å. The Sr(4)-O(6) bond length is 2.78 Å. The Sr(4)-O(7) bond length is 2.74 Å. The Sr(4)-O(8) bond length is 2.81 Å. Both Sr(4)-O(10) bond lengths are 2.82 Å. Both Sr(4)-O(14) bond lengths are 2.68 Å. Both Sr(4)-O(16) bond lengths are 2.75 Å. Both Sr(4)-O(9) bond lengths are 2.75 Å. In the fifth Sr site, Sr(5) is bonded to one O(5), one O(6), one O(7), one O(8), two equivalent O(11), two equivalent O(12), two equivalent O(13), and two equivalent O(15) atoms to form SrO12 cuboctahedra that share corners with four equivalent Ba(2)O12 cuboctahedra, corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with two equivalent Ba(3)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Co(1)O6 octahedra, faces with two equivalent Cu(1)O6 octahedra, faces with two equivalent Cu(2)O6 octahedra, and faces with two equivalent Cu(3)O6 octahedra. The Sr(5)-O(5) bond length is 2.75 Å. The Sr(5)-O(6) bond length is 2.78 Å. The Sr(5)-O(7) bond length is 2.81 Å. The Sr(5)-O(8) bond length is 2.84 Å. Both Sr(5)-O(11) bond lengths are 2.68 Å. Both Sr(5)-O(12) bond lengths are 2.76 Å. Both Sr(5)-O(13) bond lengths are 2.77 Å. Both Sr(5)-O(15) bond lengths are 2.83 Å. Co(1) is bonded to one O(10), one O(12), one O(15), one O(16), one O(4), and one O(8) atom to form CoO6 octahedra that share corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Cu(2)O6 octahedra, corners with two equivalent Cu(3)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Ba(2)O12 cuboctahedra,  a faceface with one Ba(3)O12 cuboctahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra, and  a faceface with one Sr(5)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-3°. The Co(1)-O(10) bond length is 1.88 Å. The Co(1)-O(12) bond length is 1.95 Å. The Co(1)-O(15) bond length is 1.90 Å. The Co(1)-O(16) bond length is 1.93 Å. The Co(1)-O(4) bond length is 1.98 Å. The Co(1)-O(8) bond length is 1.96 Å. There are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(1), one O(11), one O(13), one O(14), one O(5), and one O(9) atom to form CuO6 octahedra that share corners with two equivalent Cu(1)O6 octahedra, corners with two equivalent Cu(2)O6 octahedra, corners with two equivalent Cu(3)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Ba(2)O12 cuboctahedra,  a faceface with one Ba(3)O12 cuboctahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra, and  a faceface with one Sr(5)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 1-6°. The Cu(1)-O(1) bond length is 1.97 Å. The Cu(1)-O(11) bond length is 1.98 Å. The Cu(1)-O(13) bond length is 1.98 Å. The Cu(1)-O(14) bond length is 1.98 Å. The Cu(1)-O(5) bond length is 1.97 Å. The Cu(1)-O(9) bond length is 1.97 Å. In the second Cu site, Cu(2) is bonded to one O(10), one O(12), one O(13), one O(14), one O(2), and one O(6) atom to form CuO6 octahedra that share corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Cu(1)O6 octahedra, corners with two equivalent Cu(2)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Ba(2)O12 cuboctahedra,  a faceface with one Ba(3)O12 cuboctahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra, and  a faceface with one Sr(5)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-6°. The Cu(2)-O(10) bond length is 2.01 Å. The Cu(2)-O(12) bond length is 2.03 Å. The Cu(2)-O(13) bond length is 1.95 Å. The Cu(2)-O(14) bond length is 1.96 Å. The Cu(2)-O(2) bond length is 1.97 Å. The Cu(2)-O(6) bond length is 1.97 Å. In the third Cu site, Cu(3) is bonded to one O(11), one O(15), one O(16), one O(3), one O(7), and one O(9) atom to form CuO6 octahedra that share corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Cu(1)O6 octahedra, corners with two equivalent Cu(3)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Ba(2)O12 cuboctahedra,  a faceface with one Ba(3)O12 cuboctahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra, and  a faceface with one Sr(5)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 1-7°. The Cu(3)-O(11) bond length is 1.96 Å. The Cu(3)-O(15) bond length is 2.01 Å. The Cu(3)-O(16) bond length is 2.02 Å. The Cu(3)-O(3) bond length is 1.97 Å. The Cu(3)-O(7) bond length is 1.97 Å. The Cu(3)-O(9) bond length is 1.95 Å. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded to one Ba(1), one Ba(2), one Sr(1), one Sr(2), and two equivalent Cu(1) atoms to form distorted OBa2Sr2Cu2 octahedra that share corners with two equivalent O(5)BaSr3Cu2 octahedra, corners with four equivalent O(4)Ba2Sr2Co2 octahedra, corners with four equivalent O(16)Ba2Sr2CoCu octahedra, corners with four equivalent O(12)Ba3SrCoCu octahedra, edges with two equivalent O(2)Ba2Sr2Cu2 octahedra, edges with two equivalent O(3)Ba2Sr2Cu2 octahedra, faces with two equivalent O(14)Ba2Sr2Cu2 octahedra, faces with two equivalent O(11)Ba3SrCu2 octahedra, and faces with two equivalent O(13)BaSr3Cu2 octahedra. The corner-sharing octahedral tilt angles range from 0-60°. In the second O site, O(2) is bonded to one Ba(1), one Ba(2), one Sr(1), one Sr(2), and two equivalent Cu(2) atoms to form distorted OBa2Sr2Cu2 octahedra that share corners with two equivalent O(6)BaSr3Cu2 octahedra, corners with four equivalent O(16)Ba2Sr2CoCu octahedra, corners with four equivalent O(3)Ba2Sr2Cu2 octahedra, corners with four equivalent O(11)Ba3SrCu2 octahedra, edges with two equivalent O(4)Ba2Sr2Co2 octahedra, edges with two equivalent O(1)Ba2Sr2Cu2 octahedra, faces with two equivalent O(14)Ba2Sr2Cu2 octahedra, faces with two equivalent O(12)Ba3SrCoCu octahedra, and faces with two equivalent O(13)BaSr3Cu2 octahedra. The corner-sharing octahedral tilt angles range from 1-64°. In the third O site, O(3) is bonded to one Ba(1), one Ba(2), one Sr(1), one Sr(2), and two equivalent Cu(3) atoms to form distorted OBa2Sr2Cu2 octahedra that share corners with two equivalent O(7)BaSr3Cu2 octahedra, corners with four equivalent O(14)Ba2Sr2Cu2 octahedra, corners with four equivalent O(2)Ba2Sr2Cu2 octahedra, corners with four equivalent O(12)Ba3SrCoCu octahedra, corners with four equivalent O(13)BaSr3Cu2 octahedra, edges with two equivalent O(4)Ba2Sr2Co2 octahedra, edges with two equivalent O(1)Ba2Sr2Cu2 octahedra, faces with two equivalent O(16)Ba2Sr2CoCu octahedra, and faces with two equivalent O(11)Ba3SrCu2 octahedra. The corner-sharing octahedral tilt angles range from 1-63°. In the fourth O site, O(4) is bonded to one Ba(1), one Ba(2), one Sr(1), one Sr(2), and two equivalent Co(1) atoms to form distorted OBa2Sr2Co2 octahedra that share corners with four equivalent O(1)Ba2Sr2Cu2 octahedra, corners with four equivalent O(14)Ba2Sr2Cu2 octahedra, corners with four equivalent O(11)Ba3SrCu2 octahedra, corners with four equivalent O(13)BaSr3Cu2 octahedra, edges with two equivalent O(2)Ba2Sr2Cu2 octahedra, edges with two equivalent O(3)Ba2Sr2Cu2 octahedra, faces with two equivalent O(16)Ba2Sr2CoCu octahedra, and faces with two equivalent O(12)Ba3SrCoCu octahedra. The corner-sharing octahedral tilt angles range from 0-63°. In the fifth O site, O(5) is bonded to one Ba(3), one Sr(3), one Sr(4), one Sr(5), and two equivalent Cu(1) atoms to form distorted OBaSr3Cu2 octahedra that share corners with two equivalent O(1)Ba2Sr2Cu2 octahedra, corners with four equivalent O(16)Ba2Sr2CoCu octahedra, corners with four equivalent O(12)Ba3SrCoCu octahedra, edges with two equivalent O(6)BaSr3Cu2 octahedra, edges with two equivalent O(7)BaSr3Cu2 octahedra, faces with two equivalent O(14)Ba2Sr2Cu2 octahedra, faces with two equivalent O(11)Ba3SrCu2 octahedra, and faces with two equivalent O(13)BaSr3Cu2 octahedra. The corner-sharing octahedral tilt angles range from 5-60°. In the sixth O site, O(6) is bonded to one Ba(3), one Sr(3), one Sr(4), one Sr(5), and two equivalent Cu(2) atoms to form distorted OBaSr3Cu2 octahedra that share corners with two equivalent O(2)Ba2Sr2Cu2 octahedra, corners with four equivalent O(16)Ba2Sr2CoCu octahedra, corners with four equivalent O(11)Ba3SrCu2 octahedra, corners with four equivalent O(7)BaSr3Cu2 octahedra, edges with two equivalent O(5)BaSr3Cu2 octahedra, faces with two equivalent O(14)Ba2Sr2Cu2 octahedra, faces with two equivalent O(12)Ba3SrCoCu octahedra, and faces with two equivalent O(13)BaSr3Cu2 octahedra. The corner-sharing octahedral tilt angles range from 1-64°. In the seventh O site, O(7) is bonded to one Ba(3), one Sr(3), one Sr(4), one Sr(5), and two equivalent Cu(3) atoms to form distorted OBaSr3Cu2 octahedra that share corners with two equivalent O(3)Ba2Sr2Cu2 octahedra, corners with four equivalent O(14)Ba2Sr2Cu2 octahedra, corners with four equivalent O(12)Ba3SrCoCu octahedra, corners with four equivalent O(13)BaSr3Cu2 octahedra, corners with four equivalent O(6)BaSr3Cu2 octahedra, edges with two equivalent O(5)BaSr3Cu2 octahedra, faces with two equivalent O(16)Ba2Sr2CoCu octahedra, and faces with two equivalent O(11)Ba3SrCu2 octahedra. The corner-sharing octahedral tilt angles range from 1-63°. In the eighth O site, O(8) is bonded in a distorted linear geometry to one Ba(3), one Sr(3), one Sr(4), one Sr(5), and two equivalent Co(1) atoms. In the ninth O site, O(9) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Cu(1), and one Cu(3) atom. In the tenth O site, O(10) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Co(1), and one Cu(2) atom. In the eleventh O site, O(11) is bonded to one Ba(1), one Ba(2), one Ba(3), one Sr(5), one Cu(1), and one Cu(3) atom to form distorted OBa3SrCu2 octahedra that share corners with two equivalent O(4)Ba2Sr2Co2 octahedra, corners with two equivalent O(16)Ba2Sr2CoCu octahedra, corners with two equivalent O(14)Ba2Sr2Cu2 octahedra, corners with two equivalent O(2)Ba2Sr2Cu2 octahedra, corners with two equivalent O(13)BaSr3Cu2 octahedra, corners with two equivalent O(6)BaSr3Cu2 octahedra, corners with four equivalent O(12)Ba3SrCoCu octahedra, edges with two equivalent O(12)Ba3SrCoCu octahedra, edges with two equivalent O(11)Ba3SrCu2 octahedra,  a faceface with one O(16)Ba2Sr2CoCu octahedra,  a faceface with one O(1)Ba2Sr2Cu2 octahedra,  a faceface with one O(14)Ba2Sr2Cu2 octahedra,  a faceface with one O(3)Ba2Sr2Cu2 octahedra,  a faceface with one O(13)BaSr3Cu2 octahedra,  a faceface with one O(5)BaSr3Cu2 octahedra, and  a faceface with one O(7)BaSr3Cu2 octahedra. The corner-sharing octahedral tilt angles range from 2-62°. In the twelfth O site, O(12) is bonded to one Ba(1), one Ba(2), one Ba(3), one Sr(5), one Co(1), and one Cu(2) atom to form distorted OBa3SrCoCu octahedra that share corners with two equivalent O(16)Ba2Sr2CoCu octahedra, corners with two equivalent O(1)Ba2Sr2Cu2 octahedra, corners with two equivalent O(14)Ba2Sr2Cu2 octahedra, corners with two equivalent O(3)Ba2Sr2Cu2 octahedra, corners with two equivalent O(13)BaSr3Cu2 octahedra, corners with two equivalent O(5)BaSr3Cu2 octahedra, corners with two equivalent O(7)BaSr3Cu2 octahedra, corners with four equivalent O(11)Ba3SrCu2 octahedra, edges with two equivalent O(12)Ba3SrCoCu octahedra, edges with two equivalent O(11)Ba3SrCu2 octahedra,  a faceface with one O(4)Ba2Sr2Co2 octahedra,  a faceface with one O(16)Ba2Sr2CoCu octahedra,  a faceface with one O(14)Ba2Sr2Cu2 octahedra,  a faceface with one O(2)Ba2Sr2Cu2 octahedra,  a faceface with one O(13)BaSr3Cu2 octahedra, and  a faceface with one O(6)BaSr3Cu2 octahedra. The corner-sharing octahedral tilt angles range from 2-64°. In the thirteenth O site, O(13) is bonded to one Ba(1), one Sr(1), one Sr(3), one Sr(5), one Cu(1), and one Cu(2) atom to form distorted OBaSr3Cu2 octahedra that share corners with two equivalent O(4)Ba2Sr2Co2 octahedra, corners with two equivalent O(14)Ba2Sr2Cu2 octahedra, corners with two equivalent O(3)Ba2Sr2Cu2 octahedra, corners with two equivalent O(12)Ba3SrCoCu octahedra, corners with two equivalent O(11)Ba3SrCu2 octahedra, corners with two equivalent O(7)BaSr3Cu2 octahedra, edges with two equivalent O(13)BaSr3Cu2 octahedra,  a faceface with one O(1)Ba2Sr2Cu2 octahedra,  a faceface with one O(2)Ba2Sr2Cu2 octahedra,  a faceface with one O(12)Ba3SrCoCu octahedra,  a faceface with one O(11)Ba3SrCu2 octahedra,  a faceface with one O(5)BaSr3Cu2 octahedra, and  a faceface with one O(6)BaSr3Cu2 octahedra. The corner-sharing octahedral tilt angles range from 5-63°. In the fourteenth O site, O(14) is bonded to one Ba(2), one Ba(3), one Sr(2), one Sr(4), one Cu(1), and one Cu(2) atom to form distorted OBa2Sr2Cu2 octahedra that share corners with two equivalent O(4)Ba2Sr2Co2 octahedra, corners with two equivalent O(3)Ba2Sr2Cu2 octahedra, corners with two equivalent O(12)Ba3SrCoCu octahedra, corners with two equivalent O(11)Ba3SrCu2 octahedra, corners with two equivalent O(13)BaSr3Cu2 octahedra, corners with two equivalent O(7)BaSr3Cu2 octahedra, corners with four equivalent O(16)Ba2Sr2CoCu octahedra, edges with two equivalent O(16)Ba2Sr2CoCu octahedra, edges with two equivalent O(14)Ba2Sr2Cu2 octahedra,  a faceface with one O(1)Ba2Sr2Cu2 octahedra,  a faceface with one O(2)Ba2Sr2Cu2 octahedra,  a faceface with one O(12)Ba3SrCoCu octahedra,  a faceface with one O(11)Ba3SrCu2 octahedra,  a faceface with one O(5)BaSr3Cu2 octahedra, and  a faceface with one O(6)BaSr3Cu2 octahedra. The corner-sharing octahedral tilt angles range from 2-63°. In the fifteenth O site, O(15) is bonded in a distorted linear geometry to one Ba(1), one Sr(1), one Sr(3), one Sr(5), one Co(1), and one Cu(3) atom. In the sixteenth O site, O(16) is bonded to one Ba(2), one Ba(3), one Sr(2), one Sr(4), one Co(1), and one Cu(3) atom to form distorted OBa2Sr2CoCu octahedra that share corners with two equivalent O(1)Ba2Sr2Cu2 octahedra, corners with two equivalent O(2)Ba2Sr2Cu2 octahedra, corners with two equivalent O(12)Ba3SrCoCu octahedra, corners with two equivalent O(11)Ba3SrCu2 octahedra, corners with two equivalent O(5)BaSr3Cu2 octahedra, corners with two equivalent O(6)BaSr3Cu2 octahedra, corners with four equivalent O(14)Ba2Sr2Cu2 octahedra, edges with two equivalent O(16)Ba2Sr2CoCu octahedra, edges with two equivalent O(14)Ba2Sr2Cu2 octahedra,  a faceface with one O(4)Ba2Sr2Co2 octahedra,  a faceface with one O(3)Ba2Sr2Cu2 octahedra,  a faceface with one O(12)Ba3SrCoCu octahedra,  a faceface with one O(11)Ba3SrCu2 octahedra, and  a faceface with one O(7)BaSr3Cu2 octahedra. The corner-sharing octahedral tilt angles range from 2-64°.