SrLa3Mn4O10 crystallizes in the monoclinic Cc space group. Sr(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(5), one O(6), one O(7), one O(8), and two equivalent O(3) atoms. There are three inequivalent La sites. In the first La site, La(1) is bonded in a 8-coordinate geometry to one O(1), one O(4), one O(5), one O(6), one O(7), one O(8), and two equivalent O(9) atoms. In the second La site, La(2) is bonded in a 8-coordinate geometry to one O(2), one O(3), one O(5), one O(6), one O(7), one O(8), and two equivalent O(10) atoms. In the third La site, La(3) is bonded in a 8-coordinate geometry to one O(2), one O(5), one O(6), one O(7), one O(8), one O(9), and two equivalent O(4) atoms. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(10), one O(5), one O(6), one O(7), one O(8), and one O(9) atom to form MnO6 octahedra that share corners with four equivalent Mn(4)O6 octahedra,  a cornercorner with one Mn(2)O4 tetrahedra, and  a cornercorner with one Mn(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 3-21°. In the second Mn site, Mn(2) is bonded to one O(1), one O(10), one O(2), and one O(4) atom to form MnO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and corners with two equivalent Mn(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 33-35°. In the third Mn site, Mn(3) is bonded to one O(1), one O(2), one O(3), and one O(9) atom to form MnO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and corners with two equivalent Mn(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 34-41°. In the fourth Mn site, Mn(4) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form MnO6 octahedra that share corners with four equivalent Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O4 tetrahedra, and  a cornercorner with one Mn(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 3-21°. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), one La(1), one Mn(2), and one Mn(3) atom to form OSrLaMn2 tetrahedra that share corners with two equivalent O(6)SrLa3Mn2 octahedra and corners with two equivalent O(2)La2Mn2 tetrahedra. The corner-sharing octahedral tilt angles range from 49-69°. In the second O site, O(2) is bonded to one La(2), one La(3), one Mn(2), and one Mn(3) atom to form OLa2Mn2 tetrahedra that share corners with two equivalent O(6)SrLa3Mn2 octahedra and corners with two equivalent O(1)SrLaMn2 tetrahedra. The corner-sharing octahedral tilt angles range from 47-56°. In the third O site, O(3) is bonded in a 5-coordinate geometry to two equivalent Sr(1), one La(2), one Mn(3), and one Mn(4) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one La(1), two equivalent La(3), one Mn(2), and one Mn(4) atom. In the fifth O site, O(5) is bonded in a 6-coordinate geometry to one Sr(1), one La(1), one La(2), one La(3), one Mn(1), and one Mn(4) atom. In the sixth O site, O(6) is bonded to one Sr(1), one La(1), one La(2), one La(3), one Mn(1), and one Mn(4) atom to form distorted OSrLa3Mn2 octahedra that share corners with two equivalent O(2)La2Mn2 tetrahedra and corners with two equivalent O(1)SrLaMn2 tetrahedra. In the seventh O site, O(7) is bonded in a 6-coordinate geometry to one Sr(1), one La(1), one La(2), one La(3), one Mn(1), and one Mn(4) atom. In the eighth O site, O(8) is bonded in a 6-coordinate geometry to one Sr(1), one La(1), one La(2), one La(3), one Mn(1), and one Mn(4) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one La(3), two equivalent La(1), one Mn(1), and one Mn(3) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one Sr(1), two equivalent La(2), one Mn(1), and one Mn(2) atom.
SrLa3Mn4O10 crystallizes in the monoclinic Cc space group. Sr(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(5), one O(6), one O(7), one O(8), and two equivalent O(3) atoms. The Sr(1)-O(1) bond length is 2.48 Å. The Sr(1)-O(10) bond length is 2.53 Å. The Sr(1)-O(5) bond length is 2.87 Å. The Sr(1)-O(6) bond length is 2.76 Å. The Sr(1)-O(7) bond length is 2.94 Å. The Sr(1)-O(8) bond length is 2.66 Å. There is one shorter (2.75 Å) and one longer (2.92 Å) Sr(1)-O(3) bond length. There are three inequivalent La sites. In the first La site, La(1) is bonded in a 8-coordinate geometry to one O(1), one O(4), one O(5), one O(6), one O(7), one O(8), and two equivalent O(9) atoms. The La(1)-O(1) bond length is 2.34 Å. The La(1)-O(4) bond length is 2.39 Å. The La(1)-O(5) bond length is 2.59 Å. The La(1)-O(6) bond length is 2.71 Å. The La(1)-O(7) bond length is 2.58 Å. The La(1)-O(8) bond length is 2.72 Å. There is one shorter (2.56 Å) and one longer (3.15 Å) La(1)-O(9) bond length. In the second La site, La(2) is bonded in a 8-coordinate geometry to one O(2), one O(3), one O(5), one O(6), one O(7), one O(8), and two equivalent O(10) atoms. The La(2)-O(2) bond length is 2.42 Å. The La(2)-O(3) bond length is 2.34 Å. The La(2)-O(5) bond length is 2.87 Å. The La(2)-O(6) bond length is 2.68 Å. The La(2)-O(7) bond length is 2.82 Å. The La(2)-O(8) bond length is 2.64 Å. There is one shorter (2.44 Å) and one longer (3.21 Å) La(2)-O(10) bond length. In the third La site, La(3) is bonded in a 8-coordinate geometry to one O(2), one O(5), one O(6), one O(7), one O(8), one O(9), and two equivalent O(4) atoms. The La(3)-O(2) bond length is 2.43 Å. The La(3)-O(5) bond length is 2.66 Å. The La(3)-O(6) bond length is 2.72 Å. The La(3)-O(7) bond length is 2.55 Å. The La(3)-O(8) bond length is 2.83 Å. The La(3)-O(9) bond length is 2.34 Å. There is one shorter (2.66 Å) and one longer (3.01 Å) La(3)-O(4) bond length. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(10), one O(5), one O(6), one O(7), one O(8), and one O(9) atom to form MnO6 octahedra that share corners with four equivalent Mn(4)O6 octahedra,  a cornercorner with one Mn(2)O4 tetrahedra, and  a cornercorner with one Mn(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 3-21°. The Mn(1)-O(10) bond length is 2.26 Å. The Mn(1)-O(5) bond length is 1.95 Å. The Mn(1)-O(6) bond length is 1.96 Å. The Mn(1)-O(7) bond length is 1.98 Å. The Mn(1)-O(8) bond length is 1.97 Å. The Mn(1)-O(9) bond length is 2.38 Å. In the second Mn site, Mn(2) is bonded to one O(1), one O(10), one O(2), and one O(4) atom to form MnO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and corners with two equivalent Mn(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 33-35°. The Mn(2)-O(1) bond length is 2.11 Å. The Mn(2)-O(10) bond length is 2.03 Å. The Mn(2)-O(2) bond length is 2.17 Å. The Mn(2)-O(4) bond length is 2.05 Å. In the third Mn site, Mn(3) is bonded to one O(1), one O(2), one O(3), and one O(9) atom to form MnO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, and corners with two equivalent Mn(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 34-41°. The Mn(3)-O(1) bond length is 2.12 Å. The Mn(3)-O(2) bond length is 2.14 Å. The Mn(3)-O(3) bond length is 2.04 Å. The Mn(3)-O(9) bond length is 2.03 Å. In the fourth Mn site, Mn(4) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form MnO6 octahedra that share corners with four equivalent Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O4 tetrahedra, and  a cornercorner with one Mn(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 3-21°. The Mn(4)-O(3) bond length is 2.21 Å. The Mn(4)-O(4) bond length is 2.26 Å. The Mn(4)-O(5) bond length is 2.08 Å. The Mn(4)-O(6) bond length is 2.07 Å. The Mn(4)-O(7) bond length is 2.11 Å. The Mn(4)-O(8) bond length is 2.09 Å. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), one La(1), one Mn(2), and one Mn(3) atom to form OSrLaMn2 tetrahedra that share corners with two equivalent O(6)SrLa3Mn2 octahedra and corners with two equivalent O(2)La2Mn2 tetrahedra. The corner-sharing octahedral tilt angles range from 49-69°. In the second O site, O(2) is bonded to one La(2), one La(3), one Mn(2), and one Mn(3) atom to form OLa2Mn2 tetrahedra that share corners with two equivalent O(6)SrLa3Mn2 octahedra and corners with two equivalent O(1)SrLaMn2 tetrahedra. The corner-sharing octahedral tilt angles range from 47-56°. In the third O site, O(3) is bonded in a 5-coordinate geometry to two equivalent Sr(1), one La(2), one Mn(3), and one Mn(4) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one La(1), two equivalent La(3), one Mn(2), and one Mn(4) atom. In the fifth O site, O(5) is bonded in a 6-coordinate geometry to one Sr(1), one La(1), one La(2), one La(3), one Mn(1), and one Mn(4) atom. In the sixth O site, O(6) is bonded to one Sr(1), one La(1), one La(2), one La(3), one Mn(1), and one Mn(4) atom to form distorted OSrLa3Mn2 octahedra that share corners with two equivalent O(2)La2Mn2 tetrahedra and corners with two equivalent O(1)SrLaMn2 tetrahedra. In the seventh O site, O(7) is bonded in a 6-coordinate geometry to one Sr(1), one La(1), one La(2), one La(3), one Mn(1), and one Mn(4) atom. In the eighth O site, O(8) is bonded in a 6-coordinate geometry to one Sr(1), one La(1), one La(2), one La(3), one Mn(1), and one Mn(4) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one La(3), two equivalent La(1), one Mn(1), and one Mn(3) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one Sr(1), two equivalent La(2), one Mn(1), and one Mn(2) atom.