Sr4La4Mn7CuO24 crystallizes in the triclinic P-1 space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 12-coordinate geometry to one O(11), one O(3), one O(5), three equivalent O(10), three equivalent O(2), and three equivalent O(6) atoms. In the second Sr site, Sr(2) is bonded in a 12-coordinate geometry to one O(11), one O(12), one O(3), one O(4), one O(5), one O(8), two equivalent O(1), two equivalent O(7), and two equivalent O(9) atoms. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 7-coordinate geometry to one O(10), one O(11), one O(6), one O(7), two equivalent O(3), and two equivalent O(5) atoms. In the second La site, La(2) is bonded in a 4-coordinate geometry to one O(12), one O(7), one O(9), and three equivalent O(8) atoms. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(12), one O(4), one O(7), one O(8), and one O(9) atom to form distorted MnO6 octahedra that share corners with three equivalent Mn(3)O6 octahedra and corners with three equivalent Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-22°. In the second Mn site, Mn(2) is bonded to one O(10), one O(11), one O(2), one O(3), one O(5), and one O(6) atom to form distorted corner-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 1-20°. In the third Mn site, Mn(3) is bonded to one O(1), one O(11), one O(3), one O(5), one O(7), and one O(9) atom to form distorted corner-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 1-22°. In the fourth Mn site, Mn(4) is bonded to two equivalent O(10), two equivalent O(2), and two equivalent O(6) atoms to form corner-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 5-20°. Cu(1) is bonded to two equivalent O(12), two equivalent O(4), and two equivalent O(8) atoms to form CuO6 octahedra that share corners with six equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-20°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a linear geometry to two equivalent Sr(2), one Mn(1), and one Mn(3) atom. In the second O site, O(2) is bonded in a distorted linear geometry to three equivalent Sr(1), one Mn(2), and one Mn(4) atom. In the third O site, O(3) is bonded in a linear geometry to one Sr(1), one Sr(2), two equivalent La(1), one Mn(2), and one Mn(3) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Sr(2), one Mn(1), and one Cu(1) atom. In the fifth O site, O(5) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(2), two equivalent La(1), one Mn(2), and one Mn(3) atom. In the sixth O site, O(6) is bonded to three equivalent Sr(1), one La(1), one Mn(2), and one Mn(4) atom to form a mixture of distorted corner and edge-sharing OSr3LaMn2 octahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the seventh O site, O(7) is bonded in a 6-coordinate geometry to two equivalent Sr(2), one La(1), one La(2), one Mn(1), and one Mn(3) atom. In the eighth O site, O(8) is bonded in a 6-coordinate geometry to one Sr(2), three equivalent La(2), one Mn(1), and one Cu(1) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to two equivalent Sr(2), one La(2), one Mn(1), and one Mn(3) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to three equivalent Sr(1), one La(1), one Mn(2), and one Mn(4) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(2), one La(1), one Mn(2), and one Mn(3) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Sr(2), one La(2), one Mn(1), and one Cu(1) atom.
Sr4La4Mn7CuO24 crystallizes in the triclinic P-1 space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 12-coordinate geometry to one O(11), one O(3), one O(5), three equivalent O(10), three equivalent O(2), and three equivalent O(6) atoms. The Sr(1)-O(11) bond length is 2.62 Å. The Sr(1)-O(3) bond length is 3.17 Å. The Sr(1)-O(5) bond length is 2.73 Å. There are a spread of Sr(1)-O(10) bond distances ranging from 2.56-3.13 Å. There are two shorter (2.73 Å) and one longer (3.19 Å) Sr(1)-O(2) bond length. There are a spread of Sr(1)-O(6) bond distances ranging from 2.33-2.96 Å. In the second Sr site, Sr(2) is bonded in a 12-coordinate geometry to one O(11), one O(12), one O(3), one O(4), one O(5), one O(8), two equivalent O(1), two equivalent O(7), and two equivalent O(9) atoms. The Sr(2)-O(11) bond length is 3.09 Å. The Sr(2)-O(12) bond length is 2.60 Å. The Sr(2)-O(3) bond length is 3.12 Å. The Sr(2)-O(4) bond length is 3.20 Å. The Sr(2)-O(5) bond length is 2.29 Å. The Sr(2)-O(8) bond length is 2.75 Å. There is one shorter (2.72 Å) and one longer (2.73 Å) Sr(2)-O(1) bond length. There is one shorter (2.56 Å) and one longer (3.01 Å) Sr(2)-O(7) bond length. There is one shorter (2.53 Å) and one longer (3.05 Å) Sr(2)-O(9) bond length. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 7-coordinate geometry to one O(10), one O(11), one O(6), one O(7), two equivalent O(3), and two equivalent O(5) atoms. The La(1)-O(10) bond length is 2.52 Å. The La(1)-O(11) bond length is 2.48 Å. The La(1)-O(6) bond length is 2.59 Å. The La(1)-O(7) bond length is 2.26 Å. Both La(1)-O(3) bond lengths are 2.73 Å. There is one shorter (2.50 Å) and one longer (3.08 Å) La(1)-O(5) bond length. In the second La site, La(2) is bonded in a 4-coordinate geometry to one O(12), one O(7), one O(9), and three equivalent O(8) atoms. The La(2)-O(12) bond length is 2.46 Å. The La(2)-O(7) bond length is 2.79 Å. The La(2)-O(9) bond length is 2.54 Å. There are a spread of La(2)-O(8) bond distances ranging from 2.23-3.08 Å. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(12), one O(4), one O(7), one O(8), and one O(9) atom to form distorted MnO6 octahedra that share corners with three equivalent Mn(3)O6 octahedra and corners with three equivalent Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-22°. The Mn(1)-O(1) bond length is 1.76 Å. The Mn(1)-O(12) bond length is 1.92 Å. The Mn(1)-O(4) bond length is 1.67 Å. The Mn(1)-O(7) bond length is 2.24 Å. The Mn(1)-O(8) bond length is 2.26 Å. The Mn(1)-O(9) bond length is 1.96 Å. In the second Mn site, Mn(2) is bonded to one O(10), one O(11), one O(2), one O(3), one O(5), and one O(6) atom to form distorted corner-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 1-20°. The Mn(2)-O(10) bond length is 1.93 Å. The Mn(2)-O(11) bond length is 1.96 Å. The Mn(2)-O(2) bond length is 1.74 Å. The Mn(2)-O(3) bond length is 1.79 Å. The Mn(2)-O(5) bond length is 2.29 Å. The Mn(2)-O(6) bond length is 2.21 Å. In the third Mn site, Mn(3) is bonded to one O(1), one O(11), one O(3), one O(5), one O(7), and one O(9) atom to form distorted corner-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 1-22°. The Mn(3)-O(1) bond length is 1.76 Å. The Mn(3)-O(11) bond length is 2.02 Å. The Mn(3)-O(3) bond length is 1.73 Å. The Mn(3)-O(5) bond length is 2.14 Å. The Mn(3)-O(7) bond length is 2.17 Å. The Mn(3)-O(9) bond length is 2.05 Å. In the fourth Mn site, Mn(4) is bonded to two equivalent O(10), two equivalent O(2), and two equivalent O(6) atoms to form corner-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 5-20°. Both Mn(4)-O(10) bond lengths are 2.04 Å. Both Mn(4)-O(2) bond lengths are 1.77 Å. Both Mn(4)-O(6) bond lengths are 2.18 Å. Cu(1) is bonded to two equivalent O(12), two equivalent O(4), and two equivalent O(8) atoms to form CuO6 octahedra that share corners with six equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-20°. Both Cu(1)-O(12) bond lengths are 2.06 Å. Both Cu(1)-O(4) bond lengths are 1.87 Å. Both Cu(1)-O(8) bond lengths are 2.18 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a linear geometry to two equivalent Sr(2), one Mn(1), and one Mn(3) atom. In the second O site, O(2) is bonded in a distorted linear geometry to three equivalent Sr(1), one Mn(2), and one Mn(4) atom. In the third O site, O(3) is bonded in a linear geometry to one Sr(1), one Sr(2), two equivalent La(1), one Mn(2), and one Mn(3) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Sr(2), one Mn(1), and one Cu(1) atom. In the fifth O site, O(5) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(2), two equivalent La(1), one Mn(2), and one Mn(3) atom. In the sixth O site, O(6) is bonded to three equivalent Sr(1), one La(1), one Mn(2), and one Mn(4) atom to form a mixture of distorted corner and edge-sharing OSr3LaMn2 octahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the seventh O site, O(7) is bonded in a 6-coordinate geometry to two equivalent Sr(2), one La(1), one La(2), one Mn(1), and one Mn(3) atom. In the eighth O site, O(8) is bonded in a 6-coordinate geometry to one Sr(2), three equivalent La(2), one Mn(1), and one Cu(1) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to two equivalent Sr(2), one La(2), one Mn(1), and one Mn(3) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to three equivalent Sr(1), one La(1), one Mn(2), and one Mn(4) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(2), one La(1), one Mn(2), and one Mn(3) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Sr(2), one La(2), one Mn(1), and one Cu(1) atom.