Sr13Mn8O30 crystallizes in the triclinic P1 space group. There are thirteen inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 8-coordinate geometry to one O(10), one O(19), one O(26), one O(29), one O(30), one O(4), one O(5), and one O(8) atom. In the second Sr site, Sr(2) is bonded in a 8-coordinate geometry to one O(11), one O(22), one O(28), one O(29), one O(3), one O(30), one O(6), and one O(7) atom. In the third Sr site, Sr(3) is bonded in a 10-coordinate geometry to one O(1), one O(16), one O(17), one O(25), one O(26), one O(29), one O(6), one O(7), one O(8), and one O(9) atom. In the fourth Sr site, Sr(4) is bonded in a 10-coordinate geometry to one O(10), one O(11), one O(12), one O(14), one O(18), one O(2), one O(27), one O(28), one O(30), and one O(4) atom. In the fifth Sr site, Sr(5) is bonded in a 10-coordinate geometry to one O(1), one O(12), one O(13), one O(14), one O(16), one O(20), one O(21), one O(3), one O(4), and one O(9) atom. In the sixth Sr site, Sr(6) is bonded in a 10-coordinate geometry to one O(12), one O(15), one O(17), one O(18), one O(2), one O(23), one O(24), one O(5), one O(6), and one O(9) atom. In the seventh Sr site, Sr(7) is bonded in a 8-coordinate geometry to one O(11), one O(13), one O(18), one O(20), one O(22), one O(28), one O(3), and one O(9) atom. In the eighth Sr site, Sr(8) is bonded in a 10-coordinate geometry to one O(13), one O(16), one O(17), one O(19), one O(22), one O(25), one O(26), one O(29), one O(7), and one O(8) atom. In the ninth Sr site, Sr(9) is bonded in a 10-coordinate geometry to one O(10), one O(11), one O(14), one O(15), one O(18), one O(19), one O(22), one O(27), one O(28), and one O(30) atom. In the tenth Sr site, Sr(10) is bonded in a 10-coordinate geometry to one O(1), one O(13), one O(14), one O(19), one O(20), one O(21), one O(27), one O(29), one O(3), and one O(4) atom. In the eleventh Sr site, Sr(11) is bonded in a 10-coordinate geometry to one O(15), one O(17), one O(2), one O(22), one O(23), one O(24), one O(25), one O(30), one O(5), and one O(6) atom. In the twelfth Sr site, Sr(12) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(20), one O(24), one O(25), one O(28), one O(3), and one O(9) atom. In the thirteenth Sr site, Sr(13) is bonded in a 8-coordinate geometry to one O(1), one O(12), one O(2), one O(21), one O(23), one O(26), one O(27), and one O(5) atom. There are eight inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(13), one O(29), one O(3), one O(4), one O(7), and one O(8) atom to form a mixture of corner and face-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles are 22°. In the second Mn site, Mn(2) is bonded to one O(10), one O(11), one O(15), one O(30), one O(5), and one O(6) atom to form a mixture of corner and face-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles are 21°. In the third Mn site, Mn(3) is bonded to one O(10), one O(13), one O(14), one O(19), one O(4), and one O(8) atom to form a mixture of corner and face-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 1-21°. In the fourth Mn site, Mn(4) is bonded to one O(11), one O(15), one O(17), one O(22), one O(6), and one O(7) atom to form a mixture of corner and face-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 3-22°. In the fifth Mn site, Mn(5) is bonded to one O(16), one O(17), one O(20), one O(24), one O(25), and one O(9) atom to form a mixture of corner and face-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 3-19°. In the sixth Mn site, Mn(6) is bonded to one O(12), one O(14), one O(18), one O(21), one O(23), and one O(27) atom to form a mixture of corner and face-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 1-19°. In the seventh Mn site, Mn(7) is bonded to one O(1), one O(16), one O(20), one O(21), one O(25), and one O(26) atom to form a mixture of corner and face-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles are 19°. In the eighth Mn site, Mn(8) is bonded to one O(18), one O(2), one O(23), one O(24), one O(27), and one O(28) atom to form a mixture of corner and face-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles are 19°. There are thirty inequivalent O sites. In the first O site, O(1) is bonded in a 6-coordinate geometry to one Sr(10), one Sr(12), one Sr(13), one Sr(3), one Sr(5), and one Mn(7) atom. In the second O site, O(2) is bonded in a 6-coordinate geometry to one Sr(11), one Sr(12), one Sr(13), one Sr(4), one Sr(6), and one Mn(8) atom. In the third O site, O(3) is bonded in a 1-coordinate geometry to one Sr(10), one Sr(12), one Sr(2), one Sr(5), one Sr(7), and one Mn(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(10), one Sr(4), one Sr(5), one Mn(1), and one Mn(3) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(11), one Sr(13), one Sr(6), and one Mn(2) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Sr(11), one Sr(2), one Sr(3), one Sr(6), one Mn(2), and one Mn(4) atom. In the seventh O site, O(7) is bonded in a 2-coordinate geometry to one Sr(2), one Sr(3), one Sr(8), one Mn(1), and one Mn(4) atom. In the eighth O site, O(8) is bonded to one Sr(1), one Sr(3), one Sr(8), one Mn(1), and one Mn(3) atom to form distorted OSr3Mn2 square pyramids that share  an edgeedge with one O(16)Sr3Mn2 square pyramid,  an edgeedge with one O(10)Sr3Mn2 trigonal bipyramid, and  a faceface with one O(13)Sr4Mn2 octahedra. In the ninth O site, O(9) is bonded in a 6-coordinate geometry to one Sr(12), one Sr(3), one Sr(5), one Sr(6), one Sr(7), and one Mn(5) atom. In the tenth O site, O(10) is bonded to one Sr(1), one Sr(4), one Sr(9), one Mn(2), and one Mn(3) atom to form distorted OSr3Mn2 trigonal bipyramids that share  a cornercorner with one O(13)Sr4Mn2 octahedra,  an edgeedge with one O(18)Sr4Mn2 octahedra,  an edgeedge with one O(15)Sr3Mn2 square pyramid,  an edgeedge with one O(8)Sr3Mn2 square pyramid, and  a faceface with one O(11)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles are 10°. In the eleventh O site, O(11) is bonded to one Sr(2), one Sr(4), one Sr(7), one Sr(9), one Mn(2), and one Mn(4) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(13)Sr4Mn2 octahedra,  a cornercorner with one O(20)Sr4Mn2 octahedra,  a faceface with one O(18)Sr4Mn2 octahedra,  a faceface with one O(15)Sr3Mn2 square pyramid, and  a faceface with one O(10)Sr3Mn2 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 1-68°. In the twelfth O site, O(12) is bonded in a 5-coordinate geometry to one Sr(13), one Sr(4), one Sr(5), one Sr(6), and one Mn(6) atom. In the thirteenth O site, O(13) is bonded to one Sr(10), one Sr(5), one Sr(7), one Sr(8), one Mn(1), and one Mn(3) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(11)Sr4Mn2 octahedra,  a cornercorner with one O(18)Sr4Mn2 octahedra, corners with two equivalent O(16)Sr3Mn2 square pyramids,  a cornercorner with one O(10)Sr3Mn2 trigonal bipyramid,  an edgeedge with one O(21)Sr3Mn2 trigonal bipyramid,  a faceface with one O(20)Sr4Mn2 octahedra, and  a faceface with one O(8)Sr3Mn2 square pyramid. The corner-sharing octahedral tilt angles range from 1-68°. In the fourteenth O site, O(14) is bonded in a distorted linear geometry to one Sr(10), one Sr(4), one Sr(5), one Sr(9), one Mn(3), and one Mn(6) atom. In the fifteenth O site, O(15) is bonded to one Sr(11), one Sr(6), one Sr(9), one Mn(2), and one Mn(4) atom to form distorted OSr3Mn2 square pyramids that share corners with two equivalent O(18)Sr4Mn2 octahedra,  an edgeedge with one O(23)Sr3Mn2 square pyramid,  an edgeedge with one O(10)Sr3Mn2 trigonal bipyramid, and  a faceface with one O(11)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 46-51°. In the sixteenth O site, O(16) is bonded to one Sr(3), one Sr(5), one Sr(8), one Mn(5), and one Mn(7) atom to form distorted OSr3Mn2 square pyramids that share corners with two equivalent O(13)Sr4Mn2 octahedra,  an edgeedge with one O(8)Sr3Mn2 square pyramid,  an edgeedge with one O(21)Sr3Mn2 trigonal bipyramid, and  a faceface with one O(20)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 46-51°. In the seventeenth O site, O(17) is bonded in a distorted linear geometry to one Sr(11), one Sr(3), one Sr(6), one Sr(8), one Mn(4), and one Mn(5) atom. In the eighteenth O site, O(18) is bonded to one Sr(4), one Sr(6), one Sr(7), one Sr(9), one Mn(6), and one Mn(8) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(13)Sr4Mn2 octahedra,  a cornercorner with one O(20)Sr4Mn2 octahedra, corners with two equivalent O(15)Sr3Mn2 square pyramids,  a cornercorner with one O(21)Sr3Mn2 trigonal bipyramid,  an edgeedge with one O(10)Sr3Mn2 trigonal bipyramid,  a faceface with one O(11)Sr4Mn2 octahedra, and  a faceface with one O(23)Sr3Mn2 square pyramid. The corner-sharing octahedral tilt angles range from 1-67°. In the nineteenth O site, O(19) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(10), one Sr(8), one Sr(9), and one Mn(3) atom. In the twentieth O site, O(20) is bonded to one Sr(10), one Sr(12), one Sr(5), one Sr(7), one Mn(5), and one Mn(7) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(11)Sr4Mn2 octahedra,  a cornercorner with one O(18)Sr4Mn2 octahedra,  a faceface with one O(13)Sr4Mn2 octahedra,  a faceface with one O(16)Sr3Mn2 square pyramid, and  a faceface with one O(21)Sr3Mn2 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 1-67°. In the twenty-first O site, O(21) is bonded to one Sr(10), one Sr(13), one Sr(5), one Mn(6), and one Mn(7) atom to form distorted OSr3Mn2 trigonal bipyramids that share  a cornercorner with one O(18)Sr4Mn2 octahedra,  an edgeedge with one O(13)Sr4Mn2 octahedra,  an edgeedge with one O(16)Sr3Mn2 square pyramid,  an edgeedge with one O(23)Sr3Mn2 square pyramid, and  a faceface with one O(20)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles are 10°. In the twenty-second O site, O(22) is bonded in a 6-coordinate geometry to one Sr(11), one Sr(2), one Sr(7), one Sr(8), one Sr(9), and one Mn(4) atom. In the twenty-third O site, O(23) is bonded to one Sr(11), one Sr(13), one Sr(6), one Mn(6), and one Mn(8) atom to form distorted OSr3Mn2 square pyramids that share  an edgeedge with one O(15)Sr3Mn2 square pyramid,  an edgeedge with one O(21)Sr3Mn2 trigonal bipyramid, and  a faceface with one O(18)Sr4Mn2 octahedra. In the twenty-fourth O site, O(24) is bonded in a 2-coordinate geometry to one Sr(11), one Sr(12), one Sr(6), one Mn(5), and one Mn(8) atom. In the twenty-fifth O site, O(25) is bonded in a 6-coordinate geometry to one Sr(11), one Sr(12), one Sr(3), one Sr(8), one Mn(5), and one Mn(7) atom. In the twenty-sixth O site, O(26) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(13), one Sr(3), one Sr(8), and one Mn(7) atom. In the twenty-seventh O site, O(27) is bonded in a 5-coordinate geometry to one Sr(10), one Sr(13), one Sr(4), one Sr(9), one Mn(6), and one Mn(8) atom. In the twenty-eighth O site, O(28) is bonded in a 1-coordinate geometry to one Sr(12), one Sr(2), one Sr(4), one Sr(7), one Sr(9), and one Mn(8) atom. In the twenty-ninth O site, O(29) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(10), one Sr(2), one Sr(3), one Sr(8), and one Mn(1) atom. In the thirtieth O site, O(30) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(11), one Sr(2), one Sr(4), one Sr(9), and one Mn(2) atom.
Sr13Mn8O30 crystallizes in the triclinic P1 space group. There are thirteen inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 8-coordinate geometry to one O(10), one O(19), one O(26), one O(29), one O(30), one O(4), one O(5), and one O(8) atom. The Sr(1)-O(10) bond length is 2.66 Å. The Sr(1)-O(19) bond length is 2.47 Å. The Sr(1)-O(26) bond length is 2.45 Å. The Sr(1)-O(29) bond length is 2.85 Å. The Sr(1)-O(30) bond length is 2.70 Å. The Sr(1)-O(4) bond length is 2.71 Å. The Sr(1)-O(5) bond length is 2.60 Å. The Sr(1)-O(8) bond length is 2.54 Å. In the second Sr site, Sr(2) is bonded in a 8-coordinate geometry to one O(11), one O(22), one O(28), one O(29), one O(3), one O(30), one O(6), and one O(7) atom. The Sr(2)-O(11) bond length is 2.55 Å. The Sr(2)-O(22) bond length is 2.41 Å. The Sr(2)-O(28) bond length is 2.47 Å. The Sr(2)-O(29) bond length is 2.65 Å. The Sr(2)-O(3) bond length is 2.58 Å. The Sr(2)-O(30) bond length is 2.79 Å. The Sr(2)-O(6) bond length is 2.63 Å. The Sr(2)-O(7) bond length is 2.69 Å. In the third Sr site, Sr(3) is bonded in a 10-coordinate geometry to one O(1), one O(16), one O(17), one O(25), one O(26), one O(29), one O(6), one O(7), one O(8), and one O(9) atom. The Sr(3)-O(1) bond length is 2.84 Å. The Sr(3)-O(16) bond length is 2.61 Å. The Sr(3)-O(17) bond length is 2.92 Å. The Sr(3)-O(25) bond length is 2.54 Å. The Sr(3)-O(26) bond length is 2.80 Å. The Sr(3)-O(29) bond length is 2.98 Å. The Sr(3)-O(6) bond length is 3.25 Å. The Sr(3)-O(7) bond length is 2.54 Å. The Sr(3)-O(8) bond length is 2.70 Å. The Sr(3)-O(9) bond length is 2.97 Å. In the fourth Sr site, Sr(4) is bonded in a 10-coordinate geometry to one O(10), one O(11), one O(12), one O(14), one O(18), one O(2), one O(27), one O(28), one O(30), and one O(4) atom. The Sr(4)-O(10) bond length is 2.55 Å. The Sr(4)-O(11) bond length is 2.69 Å. The Sr(4)-O(12) bond length is 2.66 Å. The Sr(4)-O(14) bond length is 2.88 Å. The Sr(4)-O(18) bond length is 2.63 Å. The Sr(4)-O(2) bond length is 2.83 Å. The Sr(4)-O(27) bond length is 2.52 Å. The Sr(4)-O(28) bond length is 3.12 Å. The Sr(4)-O(30) bond length is 2.85 Å. The Sr(4)-O(4) bond length is 3.25 Å. In the fifth Sr site, Sr(5) is bonded in a 10-coordinate geometry to one O(1), one O(12), one O(13), one O(14), one O(16), one O(20), one O(21), one O(3), one O(4), and one O(9) atom. The Sr(5)-O(1) bond length is 2.45 Å. The Sr(5)-O(12) bond length is 2.69 Å. The Sr(5)-O(13) bond length is 2.70 Å. The Sr(5)-O(14) bond length is 2.76 Å. The Sr(5)-O(16) bond length is 2.69 Å. The Sr(5)-O(20) bond length is 2.66 Å. The Sr(5)-O(21) bond length is 2.70 Å. The Sr(5)-O(3) bond length is 2.99 Å. The Sr(5)-O(4) bond length is 2.77 Å. The Sr(5)-O(9) bond length is 2.93 Å. In the sixth Sr site, Sr(6) is bonded in a 10-coordinate geometry to one O(12), one O(15), one O(17), one O(18), one O(2), one O(23), one O(24), one O(5), one O(6), and one O(9) atom. The Sr(6)-O(12) bond length is 2.96 Å. The Sr(6)-O(15) bond length is 2.63 Å. The Sr(6)-O(17) bond length is 2.80 Å. The Sr(6)-O(18) bond length is 2.83 Å. The Sr(6)-O(2) bond length is 2.47 Å. The Sr(6)-O(23) bond length is 2.63 Å. The Sr(6)-O(24) bond length is 2.78 Å. The Sr(6)-O(5) bond length is 2.77 Å. The Sr(6)-O(6) bond length is 2.80 Å. The Sr(6)-O(9) bond length is 2.87 Å. In the seventh Sr site, Sr(7) is bonded in a 8-coordinate geometry to one O(11), one O(13), one O(18), one O(20), one O(22), one O(28), one O(3), and one O(9) atom. The Sr(7)-O(11) bond length is 2.75 Å. The Sr(7)-O(13) bond length is 2.84 Å. The Sr(7)-O(18) bond length is 2.83 Å. The Sr(7)-O(20) bond length is 2.74 Å. The Sr(7)-O(22) bond length is 2.79 Å. The Sr(7)-O(28) bond length is 2.64 Å. The Sr(7)-O(3) bond length is 2.62 Å. The Sr(7)-O(9) bond length is 2.79 Å. In the eighth Sr site, Sr(8) is bonded in a 10-coordinate geometry to one O(13), one O(16), one O(17), one O(19), one O(22), one O(25), one O(26), one O(29), one O(7), and one O(8) atom. The Sr(8)-O(13) bond length is 2.81 Å. The Sr(8)-O(16) bond length is 2.61 Å. The Sr(8)-O(17) bond length is 2.89 Å. The Sr(8)-O(19) bond length is 2.94 Å. The Sr(8)-O(22) bond length is 2.86 Å. The Sr(8)-O(25) bond length is 2.82 Å. The Sr(8)-O(26) bond length is 2.77 Å. The Sr(8)-O(29) bond length is 2.47 Å. The Sr(8)-O(7) bond length is 2.77 Å. The Sr(8)-O(8) bond length is 2.63 Å. In the ninth Sr site, Sr(9) is bonded in a 10-coordinate geometry to one O(10), one O(11), one O(14), one O(15), one O(18), one O(19), one O(22), one O(27), one O(28), and one O(30) atom. The Sr(9)-O(10) bond length is 2.69 Å. The Sr(9)-O(11) bond length is 2.67 Å. The Sr(9)-O(14) bond length is 2.78 Å. The Sr(9)-O(15) bond length is 2.67 Å. The Sr(9)-O(18) bond length is 2.68 Å. The Sr(9)-O(19) bond length is 2.68 Å. The Sr(9)-O(22) bond length is 2.95 Å. The Sr(9)-O(27) bond length is 2.78 Å. The Sr(9)-O(28) bond length is 2.97 Å. The Sr(9)-O(30) bond length is 2.45 Å. In the tenth Sr site, Sr(10) is bonded in a 10-coordinate geometry to one O(1), one O(13), one O(14), one O(19), one O(20), one O(21), one O(27), one O(29), one O(3), and one O(4) atom. The Sr(10)-O(1) bond length is 2.85 Å. The Sr(10)-O(13) bond length is 2.64 Å. The Sr(10)-O(14) bond length is 2.84 Å. The Sr(10)-O(19) bond length is 2.66 Å. The Sr(10)-O(20) bond length is 2.68 Å. The Sr(10)-O(21) bond length is 2.56 Å. The Sr(10)-O(27) bond length is 3.21 Å. The Sr(10)-O(29) bond length is 2.85 Å. The Sr(10)-O(3) bond length is 3.17 Å. The Sr(10)-O(4) bond length is 2.52 Å. In the eleventh Sr site, Sr(11) is bonded in a 10-coordinate geometry to one O(15), one O(17), one O(2), one O(22), one O(23), one O(24), one O(25), one O(30), one O(5), and one O(6) atom. The Sr(11)-O(15) bond length is 2.62 Å. The Sr(11)-O(17) bond length is 2.80 Å. The Sr(11)-O(2) bond length is 2.97 Å. The Sr(11)-O(22) bond length is 2.98 Å. The Sr(11)-O(23) bond length is 2.70 Å. The Sr(11)-O(24) bond length is 2.55 Å. The Sr(11)-O(25) bond length is 3.20 Å. The Sr(11)-O(30) bond length is 2.88 Å. The Sr(11)-O(5) bond length is 2.86 Å. The Sr(11)-O(6) bond length is 2.55 Å. In the twelfth Sr site, Sr(12) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(20), one O(24), one O(25), one O(28), one O(3), and one O(9) atom. The Sr(12)-O(1) bond length is 2.79 Å. The Sr(12)-O(2) bond length is 2.66 Å. The Sr(12)-O(20) bond length is 2.56 Å. The Sr(12)-O(24) bond length is 2.67 Å. The Sr(12)-O(25) bond length is 2.63 Å. The Sr(12)-O(28) bond length is 2.59 Å. The Sr(12)-O(3) bond length is 2.47 Å. The Sr(12)-O(9) bond length is 2.41 Å. In the thirteenth Sr site, Sr(13) is bonded in a 8-coordinate geometry to one O(1), one O(12), one O(2), one O(21), one O(23), one O(26), one O(27), and one O(5) atom. The Sr(13)-O(1) bond length is 2.70 Å. The Sr(13)-O(12) bond length is 2.48 Å. The Sr(13)-O(2) bond length is 2.86 Å. The Sr(13)-O(21) bond length is 2.65 Å. The Sr(13)-O(23) bond length is 2.55 Å. The Sr(13)-O(26) bond length is 2.60 Å. The Sr(13)-O(27) bond length is 2.70 Å. The Sr(13)-O(5) bond length is 2.46 Å. There are eight inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(13), one O(29), one O(3), one O(4), one O(7), and one O(8) atom to form a mixture of corner and face-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles are 22°. The Mn(1)-O(13) bond length is 2.01 Å. The Mn(1)-O(29) bond length is 1.88 Å. The Mn(1)-O(3) bond length is 1.87 Å. The Mn(1)-O(4) bond length is 1.97 Å. The Mn(1)-O(7) bond length is 1.90 Å. The Mn(1)-O(8) bond length is 2.03 Å. In the second Mn site, Mn(2) is bonded to one O(10), one O(11), one O(15), one O(30), one O(5), and one O(6) atom to form a mixture of corner and face-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles are 21°. The Mn(2)-O(10) bond length is 1.92 Å. The Mn(2)-O(11) bond length is 2.14 Å. The Mn(2)-O(15) bond length is 2.01 Å. The Mn(2)-O(30) bond length is 1.89 Å. The Mn(2)-O(5) bond length is 1.84 Å. The Mn(2)-O(6) bond length is 1.96 Å. In the third Mn site, Mn(3) is bonded to one O(10), one O(13), one O(14), one O(19), one O(4), and one O(8) atom to form a mixture of corner and face-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 1-21°. The Mn(3)-O(10) bond length is 1.90 Å. The Mn(3)-O(13) bond length is 2.00 Å. The Mn(3)-O(14) bond length is 1.92 Å. The Mn(3)-O(19) bond length is 1.87 Å. The Mn(3)-O(4) bond length is 2.01 Å. The Mn(3)-O(8) bond length is 1.90 Å. In the fourth Mn site, Mn(4) is bonded to one O(11), one O(15), one O(17), one O(22), one O(6), and one O(7) atom to form a mixture of corner and face-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 3-22°. The Mn(4)-O(11) bond length is 1.95 Å. The Mn(4)-O(15) bond length is 1.94 Å. The Mn(4)-O(17) bond length is 1.90 Å. The Mn(4)-O(22) bond length is 1.85 Å. The Mn(4)-O(6) bond length is 2.03 Å. The Mn(4)-O(7) bond length is 1.91 Å. In the fifth Mn site, Mn(5) is bonded to one O(16), one O(17), one O(20), one O(24), one O(25), and one O(9) atom to form a mixture of corner and face-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 3-19°. The Mn(5)-O(16) bond length is 1.93 Å. The Mn(5)-O(17) bond length is 1.91 Å. The Mn(5)-O(20) bond length is 1.95 Å. The Mn(5)-O(24) bond length is 1.91 Å. The Mn(5)-O(25) bond length is 2.03 Å. The Mn(5)-O(9) bond length is 1.86 Å. In the sixth Mn site, Mn(6) is bonded to one O(12), one O(14), one O(18), one O(21), one O(23), and one O(27) atom to form a mixture of corner and face-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 1-19°. The Mn(6)-O(12) bond length is 1.87 Å. The Mn(6)-O(14) bond length is 1.92 Å. The Mn(6)-O(18) bond length is 1.99 Å. The Mn(6)-O(21) bond length is 1.90 Å. The Mn(6)-O(23) bond length is 1.90 Å. The Mn(6)-O(27) bond length is 2.01 Å. In the seventh Mn site, Mn(7) is bonded to one O(1), one O(16), one O(20), one O(21), one O(25), and one O(26) atom to form a mixture of corner and face-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles are 19°. The Mn(7)-O(1) bond length is 1.89 Å. The Mn(7)-O(16) bond length is 2.01 Å. The Mn(7)-O(20) bond length is 2.13 Å. The Mn(7)-O(21) bond length is 1.91 Å. The Mn(7)-O(25) bond length is 1.96 Å. The Mn(7)-O(26) bond length is 1.85 Å. In the eighth Mn site, Mn(8) is bonded to one O(18), one O(2), one O(23), one O(24), one O(27), and one O(28) atom to form a mixture of corner and face-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles are 19°. The Mn(8)-O(18) bond length is 2.01 Å. The Mn(8)-O(2) bond length is 1.88 Å. The Mn(8)-O(23) bond length is 2.03 Å. The Mn(8)-O(24) bond length is 1.90 Å. The Mn(8)-O(27) bond length is 1.97 Å. The Mn(8)-O(28) bond length is 1.87 Å. There are thirty inequivalent O sites. In the first O site, O(1) is bonded in a 6-coordinate geometry to one Sr(10), one Sr(12), one Sr(13), one Sr(3), one Sr(5), and one Mn(7) atom. In the second O site, O(2) is bonded in a 6-coordinate geometry to one Sr(11), one Sr(12), one Sr(13), one Sr(4), one Sr(6), and one Mn(8) atom. In the third O site, O(3) is bonded in a 1-coordinate geometry to one Sr(10), one Sr(12), one Sr(2), one Sr(5), one Sr(7), and one Mn(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(10), one Sr(4), one Sr(5), one Mn(1), and one Mn(3) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(11), one Sr(13), one Sr(6), and one Mn(2) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Sr(11), one Sr(2), one Sr(3), one Sr(6), one Mn(2), and one Mn(4) atom. In the seventh O site, O(7) is bonded in a 2-coordinate geometry to one Sr(2), one Sr(3), one Sr(8), one Mn(1), and one Mn(4) atom. In the eighth O site, O(8) is bonded to one Sr(1), one Sr(3), one Sr(8), one Mn(1), and one Mn(3) atom to form distorted OSr3Mn2 square pyramids that share  an edgeedge with one O(16)Sr3Mn2 square pyramid,  an edgeedge with one O(10)Sr3Mn2 trigonal bipyramid, and  a faceface with one O(13)Sr4Mn2 octahedra. In the ninth O site, O(9) is bonded in a 6-coordinate geometry to one Sr(12), one Sr(3), one Sr(5), one Sr(6), one Sr(7), and one Mn(5) atom. In the tenth O site, O(10) is bonded to one Sr(1), one Sr(4), one Sr(9), one Mn(2), and one Mn(3) atom to form distorted OSr3Mn2 trigonal bipyramids that share  a cornercorner with one O(13)Sr4Mn2 octahedra,  an edgeedge with one O(18)Sr4Mn2 octahedra,  an edgeedge with one O(15)Sr3Mn2 square pyramid,  an edgeedge with one O(8)Sr3Mn2 square pyramid, and  a faceface with one O(11)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles are 10°. In the eleventh O site, O(11) is bonded to one Sr(2), one Sr(4), one Sr(7), one Sr(9), one Mn(2), and one Mn(4) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(13)Sr4Mn2 octahedra,  a cornercorner with one O(20)Sr4Mn2 octahedra,  a faceface with one O(18)Sr4Mn2 octahedra,  a faceface with one O(15)Sr3Mn2 square pyramid, and  a faceface with one O(10)Sr3Mn2 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 1-68°. In the twelfth O site, O(12) is bonded in a 5-coordinate geometry to one Sr(13), one Sr(4), one Sr(5), one Sr(6), and one Mn(6) atom. In the thirteenth O site, O(13) is bonded to one Sr(10), one Sr(5), one Sr(7), one Sr(8), one Mn(1), and one Mn(3) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(11)Sr4Mn2 octahedra,  a cornercorner with one O(18)Sr4Mn2 octahedra, corners with two equivalent O(16)Sr3Mn2 square pyramids,  a cornercorner with one O(10)Sr3Mn2 trigonal bipyramid,  an edgeedge with one O(21)Sr3Mn2 trigonal bipyramid,  a faceface with one O(20)Sr4Mn2 octahedra, and  a faceface with one O(8)Sr3Mn2 square pyramid. The corner-sharing octahedral tilt angles range from 1-68°. In the fourteenth O site, O(14) is bonded in a distorted linear geometry to one Sr(10), one Sr(4), one Sr(5), one Sr(9), one Mn(3), and one Mn(6) atom. In the fifteenth O site, O(15) is bonded to one Sr(11), one Sr(6), one Sr(9), one Mn(2), and one Mn(4) atom to form distorted OSr3Mn2 square pyramids that share corners with two equivalent O(18)Sr4Mn2 octahedra,  an edgeedge with one O(23)Sr3Mn2 square pyramid,  an edgeedge with one O(10)Sr3Mn2 trigonal bipyramid, and  a faceface with one O(11)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 46-51°. In the sixteenth O site, O(16) is bonded to one Sr(3), one Sr(5), one Sr(8), one Mn(5), and one Mn(7) atom to form distorted OSr3Mn2 square pyramids that share corners with two equivalent O(13)Sr4Mn2 octahedra,  an edgeedge with one O(8)Sr3Mn2 square pyramid,  an edgeedge with one O(21)Sr3Mn2 trigonal bipyramid, and  a faceface with one O(20)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 46-51°. In the seventeenth O site, O(17) is bonded in a distorted linear geometry to one Sr(11), one Sr(3), one Sr(6), one Sr(8), one Mn(4), and one Mn(5) atom. In the eighteenth O site, O(18) is bonded to one Sr(4), one Sr(6), one Sr(7), one Sr(9), one Mn(6), and one Mn(8) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(13)Sr4Mn2 octahedra,  a cornercorner with one O(20)Sr4Mn2 octahedra, corners with two equivalent O(15)Sr3Mn2 square pyramids,  a cornercorner with one O(21)Sr3Mn2 trigonal bipyramid,  an edgeedge with one O(10)Sr3Mn2 trigonal bipyramid,  a faceface with one O(11)Sr4Mn2 octahedra, and  a faceface with one O(23)Sr3Mn2 square pyramid. The corner-sharing octahedral tilt angles range from 1-67°. In the nineteenth O site, O(19) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(10), one Sr(8), one Sr(9), and one Mn(3) atom. In the twentieth O site, O(20) is bonded to one Sr(10), one Sr(12), one Sr(5), one Sr(7), one Mn(5), and one Mn(7) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(11)Sr4Mn2 octahedra,  a cornercorner with one O(18)Sr4Mn2 octahedra,  a faceface with one O(13)Sr4Mn2 octahedra,  a faceface with one O(16)Sr3Mn2 square pyramid, and  a faceface with one O(21)Sr3Mn2 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 1-67°. In the twenty-first O site, O(21) is bonded to one Sr(10), one Sr(13), one Sr(5), one Mn(6), and one Mn(7) atom to form distorted OSr3Mn2 trigonal bipyramids that share  a cornercorner with one O(18)Sr4Mn2 octahedra,  an edgeedge with one O(13)Sr4Mn2 octahedra,  an edgeedge with one O(16)Sr3Mn2 square pyramid,  an edgeedge with one O(23)Sr3Mn2 square pyramid, and  a faceface with one O(20)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles are 10°. In the twenty-second O site, O(22) is bonded in a 6-coordinate geometry to one Sr(11), one Sr(2), one Sr(7), one Sr(8), one Sr(9), and one Mn(4) atom. In the twenty-third O site, O(23) is bonded to one Sr(11), one Sr(13), one Sr(6), one Mn(6), and one Mn(8) atom to form distorted OSr3Mn2 square pyramids that share  an edgeedge with one O(15)Sr3Mn2 square pyramid,  an edgeedge with one O(21)Sr3Mn2 trigonal bipyramid, and  a faceface with one O(18)Sr4Mn2 octahedra. In the twenty-fourth O site, O(24) is bonded in a 2-coordinate geometry to one Sr(11), one Sr(12), one Sr(6), one Mn(5), and one Mn(8) atom. In the twenty-fifth O site, O(25) is bonded in a 6-coordinate geometry to one Sr(11), one Sr(12), one Sr(3), one Sr(8), one Mn(5), and one Mn(7) atom. In the twenty-sixth O site, O(26) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(13), one Sr(3), one Sr(8), and one Mn(7) atom. In the twenty-seventh O site, O(27) is bonded in a 5-coordinate geometry to one Sr(10), one Sr(13), one Sr(4), one Sr(9), one Mn(6), and one Mn(8) atom. In the twenty-eighth O site, O(28) is bonded in a 1-coordinate geometry to one Sr(12), one Sr(2), one Sr(4), one Sr(7), one Sr(9), and one Mn(8) atom. In the twenty-ninth O site, O(29) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(10), one Sr(2), one Sr(3), one Sr(8), and one Mn(1) atom. In the thirtieth O site, O(30) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(11), one Sr(2), one Sr(4), one Sr(9), and one Mn(2) atom.