Sr2CoO4 is (La,Ba)CuO4-like structured and crystallizes in the monoclinic Cm space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 9-coordinate geometry to one O(1), one O(10), one O(2), one O(4), one O(5), one O(6), one O(9), and two equivalent O(3) atoms. In the second Sr site, Sr(2) is bonded in a 9-coordinate geometry to one O(1), one O(10), one O(11), one O(2), one O(3), one O(6), one O(7), and two equivalent O(4) atoms. In the third Sr site, Sr(3) is bonded in a 9-coordinate geometry to one O(11), one O(12), one O(2), one O(3), one O(4), one O(7), one O(8), and two equivalent O(1) atoms. In the fourth Sr site, Sr(4) is bonded in a 9-coordinate geometry to one O(1), one O(12), one O(3), one O(4), one O(5), one O(8), one O(9), and two equivalent O(2) atoms. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(10), one O(11), one O(6), one O(7), and two equivalent O(4) atoms to form corner-sharing CoO6 octahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the second Co site, Co(2) is bonded to one O(11), one O(12), one O(7), one O(8), and two equivalent O(1) atoms to form corner-sharing CoO6 octahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the third Co site, Co(3) is bonded to one O(12), one O(5), one O(8), one O(9), and two equivalent O(2) atoms to form corner-sharing CoO6 octahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the fourth Co site, Co(4) is bonded to one O(10), one O(5), one O(6), one O(9), and two equivalent O(3) atoms to form corner-sharing CoO6 octahedra. The corner-sharing octahedral tilt angles range from 1-4°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), one Sr(2), one Sr(4), two equivalent Sr(3), and one Co(2) atom to form distorted OSr5Co octahedra that share  a cornercorner with one O(11)Sr4Co2 octahedra,  a cornercorner with one O(12)Sr4Co2 octahedra,  a cornercorner with one O(7)Sr4Co2 octahedra,  a cornercorner with one O(8)Sr4Co2 octahedra, corners with two equivalent O(10)Sr4Co2 octahedra, corners with two equivalent O(5)Sr4Co2 octahedra, corners with two equivalent O(6)Sr4Co2 octahedra, corners with two equivalent O(9)Sr4Co2 octahedra, corners with two equivalent O(3)Sr5Co octahedra, corners with three equivalent O(1)Sr5Co octahedra, edges with two equivalent O(3)Sr5Co octahedra, edges with three equivalent O(2)Sr5Co octahedra, edges with three equivalent O(4)Sr5Co octahedra,  a faceface with one O(11)Sr4Co2 octahedra,  a faceface with one O(12)Sr4Co2 octahedra,  a faceface with one O(7)Sr4Co2 octahedra, and  a faceface with one O(8)Sr4Co2 octahedra. The corner-sharing octahedral tilt angles range from 2-59°. In the second O site, O(2) is bonded to one Sr(1), one Sr(2), one Sr(3), two equivalent Sr(4), and one Co(3) atom to form distorted OSr5Co octahedra that share  a cornercorner with one O(12)Sr4Co2 octahedra,  a cornercorner with one O(5)Sr4Co2 octahedra,  a cornercorner with one O(8)Sr4Co2 octahedra,  a cornercorner with one O(9)Sr4Co2 octahedra, corners with two equivalent O(10)Sr4Co2 octahedra, corners with two equivalent O(11)Sr4Co2 octahedra, corners with two equivalent O(6)Sr4Co2 octahedra, corners with two equivalent O(7)Sr4Co2 octahedra, corners with two equivalent O(4)Sr5Co octahedra, corners with three equivalent O(2)Sr5Co octahedra, edges with two equivalent O(4)Sr5Co octahedra, edges with three equivalent O(1)Sr5Co octahedra, edges with three equivalent O(3)Sr5Co octahedra,  a faceface with one O(12)Sr4Co2 octahedra,  a faceface with one O(5)Sr4Co2 octahedra,  a faceface with one O(8)Sr4Co2 octahedra, and  a faceface with one O(9)Sr4Co2 octahedra. The corner-sharing octahedral tilt angles range from 1-59°. In the third O site, O(3) is bonded to one Sr(2), one Sr(3), one Sr(4), two equivalent Sr(1), and one Co(4) atom to form distorted OSr5Co octahedra that share  a cornercorner with one O(10)Sr4Co2 octahedra,  a cornercorner with one O(5)Sr4Co2 octahedra,  a cornercorner with one O(6)Sr4Co2 octahedra,  a cornercorner with one O(9)Sr4Co2 octahedra, corners with two equivalent O(11)Sr4Co2 octahedra, corners with two equivalent O(12)Sr4Co2 octahedra, corners with two equivalent O(7)Sr4Co2 octahedra, corners with two equivalent O(8)Sr4Co2 octahedra, corners with two equivalent O(1)Sr5Co octahedra, corners with three equivalent O(3)Sr5Co octahedra, edges with two equivalent O(1)Sr5Co octahedra, edges with three equivalent O(2)Sr5Co octahedra, edges with three equivalent O(4)Sr5Co octahedra,  a faceface with one O(10)Sr4Co2 octahedra,  a faceface with one O(5)Sr4Co2 octahedra,  a faceface with one O(6)Sr4Co2 octahedra, and  a faceface with one O(9)Sr4Co2 octahedra. The corner-sharing octahedral tilt angles range from 2-59°. In the fourth O site, O(4) is bonded to one Sr(1), one Sr(3), one Sr(4), two equivalent Sr(2), and one Co(1) atom to form distorted OSr5Co octahedra that share  a cornercorner with one O(10)Sr4Co2 octahedra,  a cornercorner with one O(11)Sr4Co2 octahedra,  a cornercorner with one O(6)Sr4Co2 octahedra,  a cornercorner with one O(7)Sr4Co2 octahedra, corners with two equivalent O(12)Sr4Co2 octahedra, corners with two equivalent O(5)Sr4Co2 octahedra, corners with two equivalent O(8)Sr4Co2 octahedra, corners with two equivalent O(9)Sr4Co2 octahedra, corners with two equivalent O(2)Sr5Co octahedra, corners with three equivalent O(4)Sr5Co octahedra, edges with two equivalent O(2)Sr5Co octahedra, edges with three equivalent O(1)Sr5Co octahedra, edges with three equivalent O(3)Sr5Co octahedra,  a faceface with one O(10)Sr4Co2 octahedra,  a faceface with one O(11)Sr4Co2 octahedra,  a faceface with one O(6)Sr4Co2 octahedra, and  a faceface with one O(7)Sr4Co2 octahedra. The corner-sharing octahedral tilt angles range from 1-58°. In the fifth O site, O(5) is bonded to two equivalent Sr(1), two equivalent Sr(4), one Co(3), and one Co(4) atom to form distorted OSr4Co2 octahedra that share  a cornercorner with one O(6)Sr4Co2 octahedra,  a cornercorner with one O(8)Sr4Co2 octahedra, corners with two equivalent O(2)Sr5Co octahedra, corners with two equivalent O(3)Sr5Co octahedra, corners with four equivalent O(1)Sr5Co octahedra, corners with four equivalent O(4)Sr5Co octahedra,  an edgeedge with one O(6)Sr4Co2 octahedra,  an edgeedge with one O(8)Sr4Co2 octahedra,  a faceface with one O(10)Sr4Co2 octahedra,  a faceface with one O(12)Sr4Co2 octahedra, faces with two equivalent O(9)Sr4Co2 octahedra, faces with two equivalent O(2)Sr5Co octahedra, and faces with two equivalent O(3)Sr5Co octahedra. The corner-sharing octahedral tilt angles range from 0-57°. In the sixth O site, O(6) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Co(1), and one Co(4) atom to form distorted OSr4Co2 octahedra that share  a cornercorner with one O(5)Sr4Co2 octahedra,  a cornercorner with one O(7)Sr4Co2 octahedra, corners with two equivalent O(3)Sr5Co octahedra, corners with two equivalent O(4)Sr5Co octahedra, corners with four equivalent O(1)Sr5Co octahedra, corners with four equivalent O(2)Sr5Co octahedra,  an edgeedge with one O(5)Sr4Co2 octahedra,  an edgeedge with one O(7)Sr4Co2 octahedra,  a faceface with one O(11)Sr4Co2 octahedra,  a faceface with one O(9)Sr4Co2 octahedra, faces with two equivalent O(10)Sr4Co2 octahedra, faces with two equivalent O(3)Sr5Co octahedra, and faces with two equivalent O(4)Sr5Co octahedra. The corner-sharing octahedral tilt angles range from 0-59°. In the seventh O site, O(7) is bonded to two equivalent Sr(2), two equivalent Sr(3), one Co(1), and one Co(2) atom to form distorted OSr4Co2 octahedra that share  a cornercorner with one O(6)Sr4Co2 octahedra,  a cornercorner with one O(8)Sr4Co2 octahedra, corners with two equivalent O(1)Sr5Co octahedra, corners with two equivalent O(4)Sr5Co octahedra, corners with four equivalent O(2)Sr5Co octahedra, corners with four equivalent O(3)Sr5Co octahedra,  an edgeedge with one O(6)Sr4Co2 octahedra,  an edgeedge with one O(8)Sr4Co2 octahedra,  a faceface with one O(10)Sr4Co2 octahedra,  a faceface with one O(12)Sr4Co2 octahedra, faces with two equivalent O(11)Sr4Co2 octahedra, faces with two equivalent O(1)Sr5Co octahedra, and faces with two equivalent O(4)Sr5Co octahedra. The corner-sharing octahedral tilt angles range from 0-59°. In the eighth O site, O(8) is bonded to two equivalent Sr(3), two equivalent Sr(4), one Co(2), and one Co(3) atom to form distorted OSr4Co2 octahedra that share  a cornercorner with one O(5)Sr4Co2 octahedra,  a cornercorner with one O(7)Sr4Co2 octahedra, corners with two equivalent O(1)Sr5Co octahedra, corners with two equivalent O(2)Sr5Co octahedra, corners with four equivalent O(3)Sr5Co octahedra, corners with four equivalent O(4)Sr5Co octahedra,  an edgeedge with one O(5)Sr4Co2 octahedra,  an edgeedge with one O(7)Sr4Co2 octahedra,  a faceface with one O(11)Sr4Co2 octahedra,  a faceface with one O(9)Sr4Co2 octahedra, faces with two equivalent O(12)Sr4Co2 octahedra, faces with two equivalent O(1)Sr5Co octahedra, and faces with two equivalent O(2)Sr5Co octahedra. The corner-sharing octahedral tilt angles range from 0-58°. In the ninth O site, O(9) is bonded to two equivalent Sr(1), two equivalent Sr(4), one Co(3), and one Co(4) atom to form distorted OSr4Co2 octahedra that share  a cornercorner with one O(10)Sr4Co2 octahedra,  a cornercorner with one O(12)Sr4Co2 octahedra, corners with two equivalent O(2)Sr5Co octahedra, corners with two equivalent O(3)Sr5Co octahedra, corners with four equivalent O(1)Sr5Co octahedra, corners with four equivalent O(4)Sr5Co octahedra,  an edgeedge with one O(10)Sr4Co2 octahedra,  an edgeedge with one O(12)Sr4Co2 octahedra,  a faceface with one O(6)Sr4Co2 octahedra,  a faceface with one O(8)Sr4Co2 octahedra, faces with two equivalent O(5)Sr4Co2 octahedra, faces with two equivalent O(2)Sr5Co octahedra, and faces with two equivalent O(3)Sr5Co octahedra. The corner-sharing octahedral tilt angles range from 0-58°. In the tenth O site, O(10) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Co(1), and one Co(4) atom to form distorted OSr4Co2 octahedra that share  a cornercorner with one O(11)Sr4Co2 octahedra,  a cornercorner with one O(9)Sr4Co2 octahedra, corners with two equivalent O(3)Sr5Co octahedra, corners with two equivalent O(4)Sr5Co octahedra, corners with four equivalent O(1)Sr5Co octahedra, corners with four equivalent O(2)Sr5Co octahedra,  an edgeedge with one O(11)Sr4Co2 octahedra,  an edgeedge with one O(9)Sr4Co2 octahedra,  a faceface with one O(5)Sr4Co2 octahedra,  a faceface with one O(7)Sr4Co2 octahedra, faces with two equivalent O(6)Sr4Co2 octahedra, faces with two equivalent O(3)Sr5Co octahedra, and faces with two equivalent O(4)Sr5Co octahedra. The corner-sharing octahedral tilt angles range from 1-59°. In the eleventh O site, O(11) is bonded to two equivalent Sr(2), two equivalent Sr(3), one Co(1), and one Co(2) atom to form distorted OSr4Co2 octahedra that share  a cornercorner with one O(10)Sr4Co2 octahedra,  a cornercorner with one O(12)Sr4Co2 octahedra, corners with two equivalent O(1)Sr5Co octahedra, corners with two equivalent O(4)Sr5Co octahedra, corners with four equivalent O(2)Sr5Co octahedra, corners with four equivalent O(3)Sr5Co octahedra,  an edgeedge with one O(10)Sr4Co2 octahedra,  an edgeedge with one O(12)Sr4Co2 octahedra,  a faceface with one O(6)Sr4Co2 octahedra,  a faceface with one O(8)Sr4Co2 octahedra, faces with two equivalent O(7)Sr4Co2 octahedra, faces with two equivalent O(1)Sr5Co octahedra, and faces with two equivalent O(4)Sr5Co octahedra. The corner-sharing octahedral tilt angles range from 1-59°. In the twelfth O site, O(12) is bonded to two equivalent Sr(3), two equivalent Sr(4), one Co(2), and one Co(3) atom to form distorted OSr4Co2 octahedra that share  a cornercorner with one O(11)Sr4Co2 octahedra,  a cornercorner with one O(9)Sr4Co2 octahedra, corners with two equivalent O(1)Sr5Co octahedra, corners with two equivalent O(2)Sr5Co octahedra, corners with four equivalent O(3)Sr5Co octahedra, corners with four equivalent O(4)Sr5Co octahedra,  an edgeedge with one O(11)Sr4Co2 octahedra,  an edgeedge with one O(9)Sr4Co2 octahedra,  a faceface with one O(5)Sr4Co2 octahedra,  a faceface with one O(7)Sr4Co2 octahedra, faces with two equivalent O(8)Sr4Co2 octahedra, faces with two equivalent O(1)Sr5Co octahedra, and faces with two equivalent O(2)Sr5Co octahedra. The corner-sharing octahedral tilt angles range from 0-58°.
Sr2CoO4 is (La,Ba)CuO4-like structured and crystallizes in the monoclinic Cm space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 9-coordinate geometry to one O(1), one O(10), one O(2), one O(4), one O(5), one O(6), one O(9), and two equivalent O(3) atoms. The Sr(1)-O(1) bond length is 2.47 Å. The Sr(1)-O(10) bond length is 2.68 Å. The Sr(1)-O(2) 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 2.65 Å. The Sr(1)-O(6) bond length is 2.62 Å. The Sr(1)-O(9) bond length is 2.64 Å. There is one shorter (2.75 Å) and one longer (2.76 Å) Sr(1)-O(3) bond length. In the second Sr site, Sr(2) is bonded in a 9-coordinate geometry to one O(1), one O(10), one O(11), one O(2), one O(3), one O(6), one O(7), and two equivalent O(4) atoms. The Sr(2)-O(1) bond length is 2.74 Å. The Sr(2)-O(10) bond length is 2.62 Å. The Sr(2)-O(11) bond length is 2.62 Å. The Sr(2)-O(2) bond length is 2.55 Å. The Sr(2)-O(3) bond length is 2.76 Å. The Sr(2)-O(6) bond length is 2.65 Å. The Sr(2)-O(7) bond length is 2.64 Å. There is one shorter (2.75 Å) and one longer (2.76 Å) Sr(2)-O(4) bond length. In the third Sr site, Sr(3) is bonded in a 9-coordinate geometry to one O(11), one O(12), one O(2), one O(3), one O(4), one O(7), one O(8), and two equivalent O(1) atoms. The Sr(3)-O(11) bond length is 2.65 Å. The Sr(3)-O(12) bond length is 2.63 Å. The Sr(3)-O(2) bond length is 2.80 Å. The Sr(3)-O(3) bond length is 2.48 Å. The Sr(3)-O(4) bond length is 2.73 Å. The Sr(3)-O(7) bond length is 2.62 Å. The Sr(3)-O(8) bond length is 2.64 Å. There is one shorter (2.74 Å) and one longer (2.77 Å) Sr(3)-O(1) bond length. In the fourth Sr site, Sr(4) is bonded in a 9-coordinate geometry to one O(1), one O(12), one O(3), one O(4), one O(5), one O(8), one O(9), and two equivalent O(2) atoms. The Sr(4)-O(1) bond length is 2.77 Å. The Sr(4)-O(12) bond length is 2.68 Å. The Sr(4)-O(3) bond length is 2.77 Å. The Sr(4)-O(4) bond length is 2.48 Å. The Sr(4)-O(5) bond length is 2.61 Å. The Sr(4)-O(8) bond length is 2.60 Å. The Sr(4)-O(9) bond length is 2.67 Å. There is one shorter (2.74 Å) and one longer (2.76 Å) Sr(4)-O(2) bond length. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(10), one O(11), one O(6), one O(7), and two equivalent O(4) atoms to form corner-sharing CoO6 octahedra. The corner-sharing octahedral tilt angles range from 0-4°. The Co(1)-O(10) bond length is 2.09 Å. The Co(1)-O(11) bond length is 2.07 Å. The Co(1)-O(6) bond length is 1.78 Å. The Co(1)-O(7) bond length is 1.79 Å. Both Co(1)-O(4) bond lengths are 2.00 Å. In the second Co site, Co(2) is bonded to one O(11), one O(12), one O(7), one O(8), and two equivalent O(1) atoms to form corner-sharing CoO6 octahedra. The corner-sharing octahedral tilt angles range from 0-4°. The Co(2)-O(11) bond length is 1.80 Å. The Co(2)-O(12) bond length is 1.79 Å. The Co(2)-O(7) bond length is 2.14 Å. The Co(2)-O(8) bond length is 2.03 Å. Both Co(2)-O(1) bond lengths are 1.99 Å. In the third Co site, Co(3) is bonded to one O(12), one O(5), one O(8), one O(9), and two equivalent O(2) atoms to form corner-sharing CoO6 octahedra. The corner-sharing octahedral tilt angles range from 0-4°. The Co(3)-O(12) bond length is 2.07 Å. The Co(3)-O(5) bond length is 1.91 Å. The Co(3)-O(8) bond length is 1.88 Å. The Co(3)-O(9) bond length is 2.05 Å. Both Co(3)-O(2) bond lengths are 1.89 Å. In the fourth Co site, Co(4) is bonded to one O(10), one O(5), one O(6), one O(9), and two equivalent O(3) atoms to form corner-sharing CoO6 octahedra. The corner-sharing octahedral tilt angles range from 1-4°. The Co(4)-O(10) bond length is 1.78 Å. The Co(4)-O(5) bond length is 1.98 Å. The Co(4)-O(6) bond length is 2.16 Å. The Co(4)-O(9) bond length is 1.80 Å. Both Co(4)-O(3) bond lengths are 1.98 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), one Sr(2), one Sr(4), two equivalent Sr(3), and one Co(2) atom to form distorted OSr5Co octahedra that share  a cornercorner with one O(11)Sr4Co2 octahedra,  a cornercorner with one O(12)Sr4Co2 octahedra,  a cornercorner with one O(7)Sr4Co2 octahedra,  a cornercorner with one O(8)Sr4Co2 octahedra, corners with two equivalent O(10)Sr4Co2 octahedra, corners with two equivalent O(5)Sr4Co2 octahedra, corners with two equivalent O(6)Sr4Co2 octahedra, corners with two equivalent O(9)Sr4Co2 octahedra, corners with two equivalent O(3)Sr5Co octahedra, corners with three equivalent O(1)Sr5Co octahedra, edges with two equivalent O(3)Sr5Co octahedra, edges with three equivalent O(2)Sr5Co octahedra, edges with three equivalent O(4)Sr5Co octahedra,  a faceface with one O(11)Sr4Co2 octahedra,  a faceface with one O(12)Sr4Co2 octahedra,  a faceface with one O(7)Sr4Co2 octahedra, and  a faceface with one O(8)Sr4Co2 octahedra. The corner-sharing octahedral tilt angles range from 2-59°. In the second O site, O(2) is bonded to one Sr(1), one Sr(2), one Sr(3), two equivalent Sr(4), and one Co(3) atom to form distorted OSr5Co octahedra that share  a cornercorner with one O(12)Sr4Co2 octahedra,  a cornercorner with one O(5)Sr4Co2 octahedra,  a cornercorner with one O(8)Sr4Co2 octahedra,  a cornercorner with one O(9)Sr4Co2 octahedra, corners with two equivalent O(10)Sr4Co2 octahedra, corners with two equivalent O(11)Sr4Co2 octahedra, corners with two equivalent O(6)Sr4Co2 octahedra, corners with two equivalent O(7)Sr4Co2 octahedra, corners with two equivalent O(4)Sr5Co octahedra, corners with three equivalent O(2)Sr5Co octahedra, edges with two equivalent O(4)Sr5Co octahedra, edges with three equivalent O(1)Sr5Co octahedra, edges with three equivalent O(3)Sr5Co octahedra,  a faceface with one O(12)Sr4Co2 octahedra,  a faceface with one O(5)Sr4Co2 octahedra,  a faceface with one O(8)Sr4Co2 octahedra, and  a faceface with one O(9)Sr4Co2 octahedra. The corner-sharing octahedral tilt angles range from 1-59°. In the third O site, O(3) is bonded to one Sr(2), one Sr(3), one Sr(4), two equivalent Sr(1), and one Co(4) atom to form distorted OSr5Co octahedra that share  a cornercorner with one O(10)Sr4Co2 octahedra,  a cornercorner with one O(5)Sr4Co2 octahedra,  a cornercorner with one O(6)Sr4Co2 octahedra,  a cornercorner with one O(9)Sr4Co2 octahedra, corners with two equivalent O(11)Sr4Co2 octahedra, corners with two equivalent O(12)Sr4Co2 octahedra, corners with two equivalent O(7)Sr4Co2 octahedra, corners with two equivalent O(8)Sr4Co2 octahedra, corners with two equivalent O(1)Sr5Co octahedra, corners with three equivalent O(3)Sr5Co octahedra, edges with two equivalent O(1)Sr5Co octahedra, edges with three equivalent O(2)Sr5Co octahedra, edges with three equivalent O(4)Sr5Co octahedra,  a faceface with one O(10)Sr4Co2 octahedra,  a faceface with one O(5)Sr4Co2 octahedra,  a faceface with one O(6)Sr4Co2 octahedra, and  a faceface with one O(9)Sr4Co2 octahedra. The corner-sharing octahedral tilt angles range from 2-59°. In the fourth O site, O(4) is bonded to one Sr(1), one Sr(3), one Sr(4), two equivalent Sr(2), and one Co(1) atom to form distorted OSr5Co octahedra that share  a cornercorner with one O(10)Sr4Co2 octahedra,  a cornercorner with one O(11)Sr4Co2 octahedra,  a cornercorner with one O(6)Sr4Co2 octahedra,  a cornercorner with one O(7)Sr4Co2 octahedra, corners with two equivalent O(12)Sr4Co2 octahedra, corners with two equivalent O(5)Sr4Co2 octahedra, corners with two equivalent O(8)Sr4Co2 octahedra, corners with two equivalent O(9)Sr4Co2 octahedra, corners with two equivalent O(2)Sr5Co octahedra, corners with three equivalent O(4)Sr5Co octahedra, edges with two equivalent O(2)Sr5Co octahedra, edges with three equivalent O(1)Sr5Co octahedra, edges with three equivalent O(3)Sr5Co octahedra,  a faceface with one O(10)Sr4Co2 octahedra,  a faceface with one O(11)Sr4Co2 octahedra,  a faceface with one O(6)Sr4Co2 octahedra, and  a faceface with one O(7)Sr4Co2 octahedra. The corner-sharing octahedral tilt angles range from 1-58°. In the fifth O site, O(5) is bonded to two equivalent Sr(1), two equivalent Sr(4), one Co(3), and one Co(4) atom to form distorted OSr4Co2 octahedra that share  a cornercorner with one O(6)Sr4Co2 octahedra,  a cornercorner with one O(8)Sr4Co2 octahedra, corners with two equivalent O(2)Sr5Co octahedra, corners with two equivalent O(3)Sr5Co octahedra, corners with four equivalent O(1)Sr5Co octahedra, corners with four equivalent O(4)Sr5Co octahedra,  an edgeedge with one O(6)Sr4Co2 octahedra,  an edgeedge with one O(8)Sr4Co2 octahedra,  a faceface with one O(10)Sr4Co2 octahedra,  a faceface with one O(12)Sr4Co2 octahedra, faces with two equivalent O(9)Sr4Co2 octahedra, faces with two equivalent O(2)Sr5Co octahedra, and faces with two equivalent O(3)Sr5Co octahedra. The corner-sharing octahedral tilt angles range from 0-57°. In the sixth O site, O(6) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Co(1), and one Co(4) atom to form distorted OSr4Co2 octahedra that share  a cornercorner with one O(5)Sr4Co2 octahedra,  a cornercorner with one O(7)Sr4Co2 octahedra, corners with two equivalent O(3)Sr5Co octahedra, corners with two equivalent O(4)Sr5Co octahedra, corners with four equivalent O(1)Sr5Co octahedra, corners with four equivalent O(2)Sr5Co octahedra,  an edgeedge with one O(5)Sr4Co2 octahedra,  an edgeedge with one O(7)Sr4Co2 octahedra,  a faceface with one O(11)Sr4Co2 octahedra,  a faceface with one O(9)Sr4Co2 octahedra, faces with two equivalent O(10)Sr4Co2 octahedra, faces with two equivalent O(3)Sr5Co octahedra, and faces with two equivalent O(4)Sr5Co octahedra. The corner-sharing octahedral tilt angles range from 0-59°. In the seventh O site, O(7) is bonded to two equivalent Sr(2), two equivalent Sr(3), one Co(1), and one Co(2) atom to form distorted OSr4Co2 octahedra that share  a cornercorner with one O(6)Sr4Co2 octahedra,  a cornercorner with one O(8)Sr4Co2 octahedra, corners with two equivalent O(1)Sr5Co octahedra, corners with two equivalent O(4)Sr5Co octahedra, corners with four equivalent O(2)Sr5Co octahedra, corners with four equivalent O(3)Sr5Co octahedra,  an edgeedge with one O(6)Sr4Co2 octahedra,  an edgeedge with one O(8)Sr4Co2 octahedra,  a faceface with one O(10)Sr4Co2 octahedra,  a faceface with one O(12)Sr4Co2 octahedra, faces with two equivalent O(11)Sr4Co2 octahedra, faces with two equivalent O(1)Sr5Co octahedra, and faces with two equivalent O(4)Sr5Co octahedra. The corner-sharing octahedral tilt angles range from 0-59°. In the eighth O site, O(8) is bonded to two equivalent Sr(3), two equivalent Sr(4), one Co(2), and one Co(3) atom to form distorted OSr4Co2 octahedra that share  a cornercorner with one O(5)Sr4Co2 octahedra,  a cornercorner with one O(7)Sr4Co2 octahedra, corners with two equivalent O(1)Sr5Co octahedra, corners with two equivalent O(2)Sr5Co octahedra, corners with four equivalent O(3)Sr5Co octahedra, corners with four equivalent O(4)Sr5Co octahedra,  an edgeedge with one O(5)Sr4Co2 octahedra,  an edgeedge with one O(7)Sr4Co2 octahedra,  a faceface with one O(11)Sr4Co2 octahedra,  a faceface with one O(9)Sr4Co2 octahedra, faces with two equivalent O(12)Sr4Co2 octahedra, faces with two equivalent O(1)Sr5Co octahedra, and faces with two equivalent O(2)Sr5Co octahedra. The corner-sharing octahedral tilt angles range from 0-58°. In the ninth O site, O(9) is bonded to two equivalent Sr(1), two equivalent Sr(4), one Co(3), and one Co(4) atom to form distorted OSr4Co2 octahedra that share  a cornercorner with one O(10)Sr4Co2 octahedra,  a cornercorner with one O(12)Sr4Co2 octahedra, corners with two equivalent O(2)Sr5Co octahedra, corners with two equivalent O(3)Sr5Co octahedra, corners with four equivalent O(1)Sr5Co octahedra, corners with four equivalent O(4)Sr5Co octahedra,  an edgeedge with one O(10)Sr4Co2 octahedra,  an edgeedge with one O(12)Sr4Co2 octahedra,  a faceface with one O(6)Sr4Co2 octahedra,  a faceface with one O(8)Sr4Co2 octahedra, faces with two equivalent O(5)Sr4Co2 octahedra, faces with two equivalent O(2)Sr5Co octahedra, and faces with two equivalent O(3)Sr5Co octahedra. The corner-sharing octahedral tilt angles range from 0-58°. In the tenth O site, O(10) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Co(1), and one Co(4) atom to form distorted OSr4Co2 octahedra that share  a cornercorner with one O(11)Sr4Co2 octahedra,  a cornercorner with one O(9)Sr4Co2 octahedra, corners with two equivalent O(3)Sr5Co octahedra, corners with two equivalent O(4)Sr5Co octahedra, corners with four equivalent O(1)Sr5Co octahedra, corners with four equivalent O(2)Sr5Co octahedra,  an edgeedge with one O(11)Sr4Co2 octahedra,  an edgeedge with one O(9)Sr4Co2 octahedra,  a faceface with one O(5)Sr4Co2 octahedra,  a faceface with one O(7)Sr4Co2 octahedra, faces with two equivalent O(6)Sr4Co2 octahedra, faces with two equivalent O(3)Sr5Co octahedra, and faces with two equivalent O(4)Sr5Co octahedra. The corner-sharing octahedral tilt angles range from 1-59°. In the eleventh O site, O(11) is bonded to two equivalent Sr(2), two equivalent Sr(3), one Co(1), and one Co(2) atom to form distorted OSr4Co2 octahedra that share  a cornercorner with one O(10)Sr4Co2 octahedra,  a cornercorner with one O(12)Sr4Co2 octahedra, corners with two equivalent O(1)Sr5Co octahedra, corners with two equivalent O(4)Sr5Co octahedra, corners with four equivalent O(2)Sr5Co octahedra, corners with four equivalent O(3)Sr5Co octahedra,  an edgeedge with one O(10)Sr4Co2 octahedra,  an edgeedge with one O(12)Sr4Co2 octahedra,  a faceface with one O(6)Sr4Co2 octahedra,  a faceface with one O(8)Sr4Co2 octahedra, faces with two equivalent O(7)Sr4Co2 octahedra, faces with two equivalent O(1)Sr5Co octahedra, and faces with two equivalent O(4)Sr5Co octahedra. The corner-sharing octahedral tilt angles range from 1-59°. In the twelfth O site, O(12) is bonded to two equivalent Sr(3), two equivalent Sr(4), one Co(2), and one Co(3) atom to form distorted OSr4Co2 octahedra that share  a cornercorner with one O(11)Sr4Co2 octahedra,  a cornercorner with one O(9)Sr4Co2 octahedra, corners with two equivalent O(1)Sr5Co octahedra, corners with two equivalent O(2)Sr5Co octahedra, corners with four equivalent O(3)Sr5Co octahedra, corners with four equivalent O(4)Sr5Co octahedra,  an edgeedge with one O(11)Sr4Co2 octahedra,  an edgeedge with one O(9)Sr4Co2 octahedra,  a faceface with one O(5)Sr4Co2 octahedra,  a faceface with one O(7)Sr4Co2 octahedra, faces with two equivalent O(8)Sr4Co2 octahedra, faces with two equivalent O(1)Sr5Co octahedra, and faces with two equivalent O(2)Sr5Co octahedra. The corner-sharing octahedral tilt angles range from 0-58°.