Sr2RhO4 crystallizes in the triclinic P1 space group. There are sixteen inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 9-coordinate geometry to one O(22), one O(25), one O(3), one O(6), one O(9), two equivalent O(17), and two equivalent O(2) atoms. In the second Sr site, Sr(2) is bonded in a 9-coordinate geometry to one O(1), one O(11), one O(14), one O(2), one O(27), two equivalent O(19), and two equivalent O(3) atoms. In the third Sr site, Sr(3) is bonded in a 9-coordinate geometry to one O(1), one O(11), one O(14), one O(27), one O(7), two equivalent O(21), and two equivalent O(5) atoms. In the fourth Sr site, Sr(4) is bonded in a 9-coordinate geometry to one O(10), one O(13), one O(16), one O(29), one O(31), two equivalent O(24), and two equivalent O(8) atoms. In the fifth Sr site, Sr(5) is bonded in a 9-coordinate geometry to one O(13), one O(16), one O(29), one O(31), one O(5), two equivalent O(23), and two equivalent O(7) atoms. In the sixth Sr site, Sr(6) is bonded in a 9-coordinate geometry to one O(18), one O(20), one O(32), one O(4), one O(8), two equivalent O(10), and two equivalent O(26) atoms. In the seventh Sr site, Sr(7) is bonded in a 9-coordinate geometry to one O(15), one O(18), one O(20), one O(32), one O(4), two equivalent O(12), and two equivalent O(28) atoms. In the eighth Sr site, Sr(8) is bonded in a 9-coordinate geometry to one O(12), one O(22), one O(25), one O(6), one O(9), two equivalent O(15), and two equivalent O(30) atoms. In the ninth Sr site, Sr(9) is bonded in a 9-coordinate geometry to one O(19), one O(22), one O(25), one O(6), one O(9), two equivalent O(17), and two equivalent O(2) atoms. In the tenth Sr site, Sr(10) is bonded in a 9-coordinate geometry to one O(1), one O(11), one O(14), one O(17), one O(27), two equivalent O(19), and two equivalent O(3) atoms. In the eleventh Sr site, Sr(11) is bonded in a 9-coordinate geometry to one O(1), one O(11), one O(14), one O(23), one O(27), two equivalent O(21), and two equivalent O(5) atoms. In the twelfth Sr site, Sr(12) is bonded in a 7-coordinate geometry to one O(13), one O(26), one O(29), two equivalent O(24), and two equivalent O(8) atoms. In the thirteenth Sr site, Sr(13) is bonded in a 9-coordinate geometry to one O(13), one O(16), one O(21), one O(29), one O(31), two equivalent O(23), and two equivalent O(7) atoms. In the fourteenth Sr site, Sr(14) is bonded in a 9-coordinate geometry to one O(18), one O(20), one O(24), one O(32), one O(4), two equivalent O(10), and two equivalent O(26) atoms. In the fifteenth Sr site, Sr(15) is bonded in a 9-coordinate geometry to one O(18), one O(20), one O(30), one O(32), one O(4), two equivalent O(12), and two equivalent O(28) atoms. In the sixteenth Sr site, Sr(16) is bonded in a 9-coordinate geometry to one O(22), one O(25), one O(28), one O(6), one O(9), two equivalent O(15), and two equivalent O(30) atoms. There are eight inequivalent Rh sites. In the first Rh site, Rh(1) is bonded to one O(2), one O(22), one O(25), one O(30), one O(6), and one O(9) atom to form corner-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles are 24°. In the second Rh site, Rh(2) is bonded to one O(1), one O(11), one O(14), one O(27), one O(3), and one O(5) atom to form corner-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles are 24°. In the third Rh site, Rh(3) is bonded to one O(13), one O(16), one O(23), one O(29), one O(31), and one O(8) atom to form corner-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles range from 24-25°. In the fourth Rh site, Rh(4) is bonded to one O(10), one O(12), one O(18), one O(20), one O(32), and one O(4) atom to form corner-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles are 24°. In the fifth Rh site, Rh(5) is bonded to one O(15), one O(17), one O(22), one O(25), one O(6), and one O(9) atom to form corner-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles are 24°. In the sixth Rh site, Rh(6) is bonded to one O(1), one O(11), one O(14), one O(19), one O(21), and one O(27) atom to form corner-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles are 24°. In the seventh Rh site, Rh(7) is bonded to one O(13), one O(16), one O(24), one O(29), one O(31), and one O(7) atom to form corner-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles range from 24-25°. In the eighth Rh site, Rh(8) is bonded to one O(18), one O(20), one O(26), one O(28), one O(32), and one O(4) atom to form corner-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles are 24°. There are thirty-two inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Sr(10), one Sr(11), one Sr(2), one Sr(3), one Rh(2), and one Rh(6) atom. In the second O site, O(2) is bonded to one Sr(2), two equivalent Sr(1), two equivalent Sr(9), and one Rh(1) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 1-7°. In the third O site, O(3) is bonded to one Sr(1), two equivalent Sr(10), two equivalent Sr(2), and one Rh(2) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Sr(14), one Sr(15), one Sr(6), one Sr(7), one Rh(4), and one Rh(8) atom. In the fifth O site, O(5) is bonded to one Sr(5), two equivalent Sr(11), two equivalent Sr(3), and one Rh(2) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(16), one Sr(8), one Sr(9), one Rh(1), and one Rh(5) atom. In the seventh O site, O(7) is bonded to one Sr(3), two equivalent Sr(13), two equivalent Sr(5), and one Rh(7) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 2-7°. In the eighth O site, O(8) is bonded to one Sr(6), two equivalent Sr(12), two equivalent Sr(4), and one Rh(3) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 1-7°. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(16), one Sr(8), one Sr(9), one Rh(1), and one Rh(5) atom. In the tenth O site, O(10) is bonded to one Sr(4), two equivalent Sr(14), two equivalent Sr(6), and one Rh(4) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Sr(10), one Sr(11), one Sr(2), one Sr(3), one Rh(2), and one Rh(6) atom. In the twelfth O site, O(12) is bonded to one Sr(8), two equivalent Sr(15), two equivalent Sr(7), and one Rh(4) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the thirteenth O site, O(13) is bonded in a 4-coordinate geometry to one Sr(12), one Sr(13), one Sr(4), one Sr(5), one Rh(3), and one Rh(7) atom. In the fourteenth O site, O(14) is bonded in a 4-coordinate geometry to one Sr(10), one Sr(11), one Sr(2), one Sr(3), one Rh(2), and one Rh(6) atom. In the fifteenth O site, O(15) is bonded to one Sr(7), two equivalent Sr(16), two equivalent Sr(8), and one Rh(5) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 1-7°. In the sixteenth O site, O(16) is bonded in a 4-coordinate geometry to one Sr(13), one Sr(4), one Sr(5), one Rh(3), and one Rh(7) atom. In the seventeenth O site, O(17) is bonded to one Sr(10), two equivalent Sr(1), two equivalent Sr(9), and one Rh(5) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 1-7°. In the eighteenth O site, O(18) is bonded in a 4-coordinate geometry to one Sr(14), one Sr(15), one Sr(6), one Sr(7), one Rh(4), and one Rh(8) atom. In the nineteenth O site, O(19) is bonded to one Sr(9), two equivalent Sr(10), two equivalent Sr(2), and one Rh(6) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the twentieth O site, O(20) is bonded in a 4-coordinate geometry to one Sr(14), one Sr(15), one Sr(6), one Sr(7), one Rh(4), and one Rh(8) atom. In the twenty-first O site, O(21) is bonded to one Sr(13), two equivalent Sr(11), two equivalent Sr(3), and one Rh(6) atom to form a mixture of distorted edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the twenty-second O site, O(22) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(16), one Sr(8), one Sr(9), one Rh(1), and one Rh(5) atom. In the twenty-third O site, O(23) is bonded to one Sr(11), two equivalent Sr(13), two equivalent Sr(5), and one Rh(3) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 1-7°. In the twenty-fourth O site, O(24) is bonded to one Sr(14), two equivalent Sr(12), two equivalent Sr(4), and one Rh(7) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 2-7°. In the twenty-fifth O site, O(25) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(16), one Sr(8), one Sr(9), one Rh(1), and one Rh(5) atom. In the twenty-sixth O site, O(26) is bonded to one Sr(12), two equivalent Sr(14), two equivalent Sr(6), and one Rh(8) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the twenty-seventh O site, O(27) is bonded in a 4-coordinate geometry to one Sr(10), one Sr(11), one Sr(2), one Sr(3), one Rh(2), and one Rh(6) atom. In the twenty-eighth O site, O(28) is bonded to one Sr(16), two equivalent Sr(15), two equivalent Sr(7), and one Rh(8) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the twenty-ninth O site, O(29) is bonded in a 4-coordinate geometry to one Sr(12), one Sr(13), one Sr(4), one Sr(5), one Rh(3), and one Rh(7) atom. In the thirtieth O site, O(30) is bonded to one Sr(15), two equivalent Sr(16), two equivalent Sr(8), and one Rh(1) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 1-7°. In the thirty-first O site, O(31) is bonded in a 4-coordinate geometry to one Sr(13), one Sr(4), one Sr(5), one Rh(3), and one Rh(7) atom. In the thirty-second O site, O(32) is bonded in a 4-coordinate geometry to one Sr(14), one Sr(15), one Sr(6), one Sr(7), one Rh(4), and one Rh(8) atom.
Sr2RhO4 crystallizes in the triclinic P1 space group. There are sixteen inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 9-coordinate geometry to one O(22), one O(25), one O(3), one O(6), one O(9), two equivalent O(17), and two equivalent O(2) atoms. The Sr(1)-O(22) bond length is 3.05 Å. The Sr(1)-O(25) bond length is 2.44 Å. The Sr(1)-O(3) bond length is 2.52 Å. The Sr(1)-O(6) bond length is 2.50 Å. The Sr(1)-O(9) bond length is 3.06 Å. There is one shorter (2.73 Å) and one longer (2.83 Å) Sr(1)-O(17) bond length. There is one shorter (2.68 Å) and one longer (2.88 Å) Sr(1)-O(2) bond length. In the second Sr site, Sr(2) is bonded in a 9-coordinate geometry to one O(1), one O(11), one O(14), one O(2), one O(27), two equivalent O(19), and two equivalent O(3) atoms. The Sr(2)-O(1) bond length is 2.49 Å. The Sr(2)-O(11) bond length is 2.46 Å. The Sr(2)-O(14) bond length is 3.14 Å. The Sr(2)-O(2) bond length is 2.52 Å. The Sr(2)-O(27) bond length is 2.98 Å. There is one shorter (2.77 Å) and one longer (2.79 Å) Sr(2)-O(19) bond length. There is one shorter (2.70 Å) and one longer (2.86 Å) Sr(2)-O(3) bond length. In the third Sr site, Sr(3) is bonded in a 9-coordinate geometry to one O(1), one O(11), one O(14), one O(27), one O(7), two equivalent O(21), and two equivalent O(5) atoms. The Sr(3)-O(1) bond length is 2.45 Å. The Sr(3)-O(11) bond length is 2.49 Å. The Sr(3)-O(14) bond length is 2.96 Å. The Sr(3)-O(27) bond length is 3.14 Å. The Sr(3)-O(7) bond length is 2.49 Å. There is one shorter (2.77 Å) and one longer (2.79 Å) Sr(3)-O(21) bond length. There is one shorter (2.71 Å) and one longer (2.85 Å) Sr(3)-O(5) bond length. In the fourth Sr site, Sr(4) is bonded in a 9-coordinate geometry to one O(10), one O(13), one O(16), one O(29), one O(31), two equivalent O(24), and two equivalent O(8) atoms. The Sr(4)-O(10) bond length is 2.51 Å. The Sr(4)-O(13) bond length is 3.11 Å. The Sr(4)-O(16) bond length is 2.46 Å. The Sr(4)-O(29) bond length is 2.99 Å. The Sr(4)-O(31) bond length is 2.47 Å. There is one shorter (2.72 Å) and one longer (2.84 Å) Sr(4)-O(24) bond length. There is one shorter (2.76 Å) and one longer (2.81 Å) Sr(4)-O(8) bond length. In the fifth Sr site, Sr(5) is bonded in a 9-coordinate geometry to one O(13), one O(16), one O(29), one O(31), one O(5), two equivalent O(23), and two equivalent O(7) atoms. The Sr(5)-O(13) bond length is 2.45 Å. The Sr(5)-O(16) bond length is 3.12 Å. The Sr(5)-O(29) bond length is 2.48 Å. The Sr(5)-O(31) bond length is 2.99 Å. The Sr(5)-O(5) bond length is 2.50 Å. There is one shorter (2.68 Å) and one longer (2.88 Å) Sr(5)-O(23) bond length. There is one shorter (2.74 Å) and one longer (2.82 Å) Sr(5)-O(7) bond length. In the sixth Sr site, Sr(6) is bonded in a 9-coordinate geometry to one O(18), one O(20), one O(32), one O(4), one O(8), two equivalent O(10), and two equivalent O(26) atoms. The Sr(6)-O(18) bond length is 2.47 Å. The Sr(6)-O(20) bond length is 3.10 Å. The Sr(6)-O(32) bond length is 3.01 Å. The Sr(6)-O(4) bond length is 2.48 Å. The Sr(6)-O(8) bond length is 2.50 Å. There is one shorter (2.73 Å) and one longer (2.83 Å) Sr(6)-O(10) bond length. There is one shorter (2.76 Å) and one longer (2.80 Å) Sr(6)-O(26) bond length. In the seventh Sr site, Sr(7) is bonded in a 9-coordinate geometry to one O(15), one O(18), one O(20), one O(32), one O(4), two equivalent O(12), and two equivalent O(28) atoms. The Sr(7)-O(15) bond length is 2.51 Å. The Sr(7)-O(18) bond length is 2.48 Å. The Sr(7)-O(20) bond length is 3.00 Å. The Sr(7)-O(32) bond length is 3.11 Å. The Sr(7)-O(4) bond length is 2.47 Å. There is one shorter (2.73 Å) and one longer (2.83 Å) Sr(7)-O(12) bond length. There is one shorter (2.76 Å) and one longer (2.80 Å) Sr(7)-O(28) bond length. In the eighth Sr site, Sr(8) is bonded in a 9-coordinate geometry to one O(12), one O(22), one O(25), one O(6), one O(9), two equivalent O(15), and two equivalent O(30) atoms. The Sr(8)-O(12) bond length is 2.51 Å. The Sr(8)-O(22) bond length is 2.47 Å. The Sr(8)-O(25) bond length is 3.11 Å. The Sr(8)-O(6) bond length is 3.00 Å. The Sr(8)-O(9) bond length is 2.47 Å. There is one shorter (2.75 Å) and one longer (2.81 Å) Sr(8)-O(15) bond length. There is one shorter (2.74 Å) and one longer (2.82 Å) Sr(8)-O(30) bond length. In the ninth Sr site, Sr(9) is bonded in a 9-coordinate geometry to one O(19), one O(22), one O(25), one O(6), one O(9), two equivalent O(17), and two equivalent O(2) atoms. The Sr(9)-O(19) bond length is 2.51 Å. The Sr(9)-O(22) bond length is 2.47 Å. The Sr(9)-O(25) bond length is 3.01 Å. The Sr(9)-O(6) bond length is 3.11 Å. The Sr(9)-O(9) bond length is 2.47 Å. There is one shorter (2.71 Å) and one longer (2.85 Å) Sr(9)-O(17) bond length. There is one shorter (2.76 Å) and one longer (2.80 Å) Sr(9)-O(2) bond length. In the tenth Sr site, Sr(10) is bonded in a 9-coordinate geometry to one O(1), one O(11), one O(14), one O(17), one O(27), two equivalent O(19), and two equivalent O(3) atoms. The Sr(10)-O(1) bond length is 3.08 Å. The Sr(10)-O(11) bond length is 3.03 Å. The Sr(10)-O(14) bond length is 2.51 Å. The Sr(10)-O(17) bond length is 2.52 Å. The Sr(10)-O(27) bond length is 2.44 Å. There is one shorter (2.67 Å) and one longer (2.89 Å) Sr(10)-O(19) bond length. There is one shorter (2.70 Å) and one longer (2.86 Å) Sr(10)-O(3) bond length. In the eleventh Sr site, Sr(11) is bonded in a 9-coordinate geometry to one O(1), one O(11), one O(14), one O(23), one O(27), two equivalent O(21), and two equivalent O(5) atoms. The Sr(11)-O(1) bond length is 3.03 Å. The Sr(11)-O(11) bond length is 3.07 Å. The Sr(11)-O(14) bond length is 2.44 Å. The Sr(11)-O(23) bond length is 2.49 Å. The Sr(11)-O(27) bond length is 2.49 Å. There is one shorter (2.67 Å) and one longer (2.89 Å) Sr(11)-O(21) bond length. There is one shorter (2.69 Å) and one longer (2.87 Å) Sr(11)-O(5) bond length. In the twelfth Sr site, Sr(12) is bonded in a 7-coordinate geometry to one O(13), one O(26), one O(29), two equivalent O(24), and two equivalent O(8) atoms. The Sr(12)-O(13) bond length is 2.48 Å. The Sr(12)-O(26) bond length is 2.50 Å. The Sr(12)-O(29) bond length is 2.45 Å. There is one shorter (2.77 Å) and one longer (2.79 Å) Sr(12)-O(24) bond length. There is one shorter (2.73 Å) and one longer (2.82 Å) Sr(12)-O(8) bond length. In the thirteenth Sr site, Sr(13) is bonded in a 9-coordinate geometry to one O(13), one O(16), one O(21), one O(29), one O(31), two equivalent O(23), and two equivalent O(7) atoms. The Sr(13)-O(13) bond length is 3.06 Å. The Sr(13)-O(16) bond length is 2.46 Å. The Sr(13)-O(21) bond length is 2.49 Å. The Sr(13)-O(29) bond length is 3.07 Å. The Sr(13)-O(31) bond length is 2.46 Å. There is one shorter (2.72 Å) and one longer (2.84 Å) Sr(13)-O(23) bond length. Both Sr(13)-O(7) bond lengths are 2.78 Å. In the fourteenth Sr site, Sr(14) is bonded in a 9-coordinate geometry to one O(18), one O(20), one O(24), one O(32), one O(4), two equivalent O(10), and two equivalent O(26) atoms. The Sr(14)-O(18) bond length is 3.02 Å. The Sr(14)-O(20) bond length is 2.50 Å. The Sr(14)-O(24) bond length is 2.50 Å. The Sr(14)-O(32) bond length is 2.45 Å. The Sr(14)-O(4) bond length is 3.09 Å. There is one shorter (2.70 Å) and one longer (2.86 Å) Sr(14)-O(10) bond length. There is one shorter (2.71 Å) and one longer (2.85 Å) Sr(14)-O(26) bond length. In the fifteenth Sr site, Sr(15) is bonded in a 9-coordinate geometry to one O(18), one O(20), one O(30), one O(32), one O(4), two equivalent O(12), and two equivalent O(28) atoms. The Sr(15)-O(18) bond length is 3.08 Å. The Sr(15)-O(20) bond length is 2.45 Å. The Sr(15)-O(30) bond length is 2.51 Å. The Sr(15)-O(32) bond length is 2.50 Å. The Sr(15)-O(4) bond length is 3.03 Å. There is one shorter (2.70 Å) and one longer (2.86 Å) Sr(15)-O(12) bond length. There is one shorter (2.71 Å) and one longer (2.85 Å) Sr(15)-O(28) bond length. In the sixteenth Sr site, Sr(16) is bonded in a 9-coordinate geometry to one O(22), one O(25), one O(28), one O(6), one O(9), two equivalent O(15), and two equivalent O(30) atoms. The Sr(16)-O(22) bond length is 3.04 Å. The Sr(16)-O(25) bond length is 2.50 Å. The Sr(16)-O(28) bond length is 2.51 Å. The Sr(16)-O(6) bond length is 2.45 Å. The Sr(16)-O(9) bond length is 3.08 Å. There is one shorter (2.69 Å) and one longer (2.87 Å) Sr(16)-O(15) bond length. There is one shorter (2.72 Å) and one longer (2.84 Å) Sr(16)-O(30) bond length. There are eight inequivalent Rh sites. In the first Rh site, Rh(1) is bonded to one O(2), one O(22), one O(25), one O(30), one O(6), and one O(9) atom to form corner-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles are 24°. The Rh(1)-O(2) bond length is 2.09 Å. The Rh(1)-O(22) bond length is 2.01 Å. The Rh(1)-O(25) bond length is 2.00 Å. The Rh(1)-O(30) bond length is 2.09 Å. The Rh(1)-O(6) bond length is 2.01 Å. The Rh(1)-O(9) bond length is 2.01 Å. In the second Rh site, Rh(2) is bonded to one O(1), one O(11), one O(14), one O(27), one O(3), and one O(5) atom to form corner-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles are 24°. The Rh(2)-O(1) bond length is 2.01 Å. The Rh(2)-O(11) bond length is 2.01 Å. The Rh(2)-O(14) bond length is 2.00 Å. The Rh(2)-O(27) bond length is 2.01 Å. The Rh(2)-O(3) bond length is 2.09 Å. The Rh(2)-O(5) bond length is 2.08 Å. In the third Rh site, Rh(3) is bonded to one O(13), one O(16), one O(23), one O(29), one O(31), and one O(8) atom to form corner-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles range from 24-25°. The Rh(3)-O(13) bond length is 2.00 Å. The Rh(3)-O(16) bond length is 2.00 Å. The Rh(3)-O(23) bond length is 2.08 Å. The Rh(3)-O(29) bond length is 2.01 Å. The Rh(3)-O(31) bond length is 2.01 Å. The Rh(3)-O(8) bond length is 2.08 Å. In the fourth Rh site, Rh(4) is bonded to one O(10), one O(12), one O(18), one O(20), one O(32), and one O(4) atom to form corner-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles are 24°. The Rh(4)-O(10) bond length is 2.09 Å. The Rh(4)-O(12) bond length is 2.09 Å. The Rh(4)-O(18) bond length is 2.01 Å. The Rh(4)-O(20) bond length is 2.00 Å. The Rh(4)-O(32) bond length is 2.01 Å. The Rh(4)-O(4) bond length is 2.00 Å. In the fifth Rh site, Rh(5) is bonded to one O(15), one O(17), one O(22), one O(25), one O(6), and one O(9) atom to form corner-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles are 24°. The Rh(5)-O(15) bond length is 2.09 Å. The Rh(5)-O(17) bond length is 2.09 Å. The Rh(5)-O(22) bond length is 2.01 Å. The Rh(5)-O(25) bond length is 2.01 Å. The Rh(5)-O(6) bond length is 2.01 Å. The Rh(5)-O(9) bond length is 2.00 Å. In the sixth Rh site, Rh(6) is bonded to one O(1), one O(11), one O(14), one O(19), one O(21), and one O(27) atom to form corner-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles are 24°. The Rh(6)-O(1) bond length is 2.00 Å. The Rh(6)-O(11) bond length is 2.01 Å. The Rh(6)-O(14) bond length is 2.01 Å. The Rh(6)-O(19) bond length is 2.09 Å. The Rh(6)-O(21) bond length is 2.08 Å. The Rh(6)-O(27) bond length is 2.01 Å. In the seventh Rh site, Rh(7) is bonded to one O(13), one O(16), one O(24), one O(29), one O(31), and one O(7) atom to form corner-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles range from 24-25°. The Rh(7)-O(13) bond length is 2.00 Å. The Rh(7)-O(16) bond length is 2.01 Å. The Rh(7)-O(24) bond length is 2.09 Å. The Rh(7)-O(29) bond length is 2.02 Å. The Rh(7)-O(31) bond length is 2.01 Å. The Rh(7)-O(7) bond length is 2.08 Å. In the eighth Rh site, Rh(8) is bonded to one O(18), one O(20), one O(26), one O(28), one O(32), and one O(4) atom to form corner-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles are 24°. The Rh(8)-O(18) bond length is 2.01 Å. The Rh(8)-O(20) bond length is 2.01 Å. The Rh(8)-O(26) bond length is 2.08 Å. The Rh(8)-O(28) bond length is 2.09 Å. The Rh(8)-O(32) bond length is 2.00 Å. The Rh(8)-O(4) bond length is 2.00 Å. There are thirty-two inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Sr(10), one Sr(11), one Sr(2), one Sr(3), one Rh(2), and one Rh(6) atom. In the second O site, O(2) is bonded to one Sr(2), two equivalent Sr(1), two equivalent Sr(9), and one Rh(1) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 1-7°. In the third O site, O(3) is bonded to one Sr(1), two equivalent Sr(10), two equivalent Sr(2), and one Rh(2) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Sr(14), one Sr(15), one Sr(6), one Sr(7), one Rh(4), and one Rh(8) atom. In the fifth O site, O(5) is bonded to one Sr(5), two equivalent Sr(11), two equivalent Sr(3), and one Rh(2) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(16), one Sr(8), one Sr(9), one Rh(1), and one Rh(5) atom. In the seventh O site, O(7) is bonded to one Sr(3), two equivalent Sr(13), two equivalent Sr(5), and one Rh(7) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 2-7°. In the eighth O site, O(8) is bonded to one Sr(6), two equivalent Sr(12), two equivalent Sr(4), and one Rh(3) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 1-7°. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(16), one Sr(8), one Sr(9), one Rh(1), and one Rh(5) atom. In the tenth O site, O(10) is bonded to one Sr(4), two equivalent Sr(14), two equivalent Sr(6), and one Rh(4) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Sr(10), one Sr(11), one Sr(2), one Sr(3), one Rh(2), and one Rh(6) atom. In the twelfth O site, O(12) is bonded to one Sr(8), two equivalent Sr(15), two equivalent Sr(7), and one Rh(4) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the thirteenth O site, O(13) is bonded in a 4-coordinate geometry to one Sr(12), one Sr(13), one Sr(4), one Sr(5), one Rh(3), and one Rh(7) atom. In the fourteenth O site, O(14) is bonded in a 4-coordinate geometry to one Sr(10), one Sr(11), one Sr(2), one Sr(3), one Rh(2), and one Rh(6) atom. In the fifteenth O site, O(15) is bonded to one Sr(7), two equivalent Sr(16), two equivalent Sr(8), and one Rh(5) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 1-7°. In the sixteenth O site, O(16) is bonded in a 4-coordinate geometry to one Sr(13), one Sr(4), one Sr(5), one Rh(3), and one Rh(7) atom. In the seventeenth O site, O(17) is bonded to one Sr(10), two equivalent Sr(1), two equivalent Sr(9), and one Rh(5) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 1-7°. In the eighteenth O site, O(18) is bonded in a 4-coordinate geometry to one Sr(14), one Sr(15), one Sr(6), one Sr(7), one Rh(4), and one Rh(8) atom. In the nineteenth O site, O(19) is bonded to one Sr(9), two equivalent Sr(10), two equivalent Sr(2), and one Rh(6) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the twentieth O site, O(20) is bonded in a 4-coordinate geometry to one Sr(14), one Sr(15), one Sr(6), one Sr(7), one Rh(4), and one Rh(8) atom. In the twenty-first O site, O(21) is bonded to one Sr(13), two equivalent Sr(11), two equivalent Sr(3), and one Rh(6) atom to form a mixture of distorted edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the twenty-second O site, O(22) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(16), one Sr(8), one Sr(9), one Rh(1), and one Rh(5) atom. In the twenty-third O site, O(23) is bonded to one Sr(11), two equivalent Sr(13), two equivalent Sr(5), and one Rh(3) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 1-7°. In the twenty-fourth O site, O(24) is bonded to one Sr(14), two equivalent Sr(12), two equivalent Sr(4), and one Rh(7) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 2-7°. In the twenty-fifth O site, O(25) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(16), one Sr(8), one Sr(9), one Rh(1), and one Rh(5) atom. In the twenty-sixth O site, O(26) is bonded to one Sr(12), two equivalent Sr(14), two equivalent Sr(6), and one Rh(8) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the twenty-seventh O site, O(27) is bonded in a 4-coordinate geometry to one Sr(10), one Sr(11), one Sr(2), one Sr(3), one Rh(2), and one Rh(6) atom. In the twenty-eighth O site, O(28) is bonded to one Sr(16), two equivalent Sr(15), two equivalent Sr(7), and one Rh(8) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the twenty-ninth O site, O(29) is bonded in a 4-coordinate geometry to one Sr(12), one Sr(13), one Sr(4), one Sr(5), one Rh(3), and one Rh(7) atom. In the thirtieth O site, O(30) is bonded to one Sr(15), two equivalent Sr(16), two equivalent Sr(8), and one Rh(1) atom to form a mixture of edge and corner-sharing OSr5Rh octahedra. The corner-sharing octahedral tilt angles range from 1-7°. In the thirty-first O site, O(31) is bonded in a 4-coordinate geometry to one Sr(13), one Sr(4), one Sr(5), one Rh(3), and one Rh(7) atom. In the thirty-second O site, O(32) is bonded in a 4-coordinate geometry to one Sr(14), one Sr(15), one Sr(6), one Sr(7), one Rh(4), and one Rh(8) atom.