SrLa3Cr4O12 is Orthorhombic Perovskite-derived structured and crystallizes in the monoclinic P2 space group. Sr(1) is bonded in a 12-coordinate geometry to two equivalent O(2), two equivalent O(3), two equivalent O(5), two equivalent O(6), two equivalent O(7), and two equivalent O(8) atoms. There are three inequivalent La sites. In the first La site, La(1) is bonded in a 9-coordinate geometry to one O(1), two equivalent O(4), two equivalent O(5), two equivalent O(7), and two equivalent O(8) atoms. In the second La site, La(2) is bonded in a 9-coordinate geometry to one O(4), two equivalent O(1), two equivalent O(5), two equivalent O(6), and two equivalent O(7) atoms. In the third La site, La(3) is bonded in a 9-coordinate geometry to one O(3), two equivalent O(2), two equivalent O(5), two equivalent O(6), and two equivalent O(8) atoms. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(1), one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form corner-sharing CrO6 octahedra. The corner-sharing octahedral tilt angles range from 16-22°. In the second Cr site, Cr(2) is bonded to one O(2), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form corner-sharing CrO6 octahedra. The corner-sharing octahedral tilt angles range from 16-22°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one La(1), two equivalent La(2), and two equivalent Cr(1) atoms. In the second O site, O(2) is bonded in a 3-coordinate geometry to two equivalent Sr(1), two equivalent La(3), and two equivalent Cr(2) atoms. In the third O site, O(3) is bonded in a 5-coordinate geometry to two equivalent Sr(1), one La(3), and two equivalent Cr(1) atoms. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one La(2), two equivalent La(1), and two equivalent Cr(2) atoms. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Sr(1), one La(1), one La(2), one La(3), one Cr(1), and one Cr(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Sr(1), one La(2), one La(3), one Cr(1), and one Cr(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Sr(1), one La(1), one La(2), one Cr(1), and one Cr(2) atom. In the eighth O site, O(8) is bonded in a 5-coordinate geometry to one Sr(1), one La(1), one La(3), one Cr(1), and one Cr(2) atom.
SrLa3Cr4O12 is Orthorhombic Perovskite-derived structured and crystallizes in the monoclinic P2 space group. Sr(1) is bonded in a 12-coordinate geometry to two equivalent O(2), two equivalent O(3), two equivalent O(5), two equivalent O(6), two equivalent O(7), and two equivalent O(8) atoms. There is one shorter (2.50 Å) and one longer (3.07 Å) Sr(1)-O(2) bond length. Both Sr(1)-O(3) bond lengths are 2.78 Å. Both Sr(1)-O(5) bond lengths are 3.18 Å. Both Sr(1)-O(6) bond lengths are 2.51 Å. Both Sr(1)-O(7) bond lengths are 2.83 Å. Both Sr(1)-O(8) bond lengths are 2.84 Å. There are three inequivalent La sites. In the first La site, La(1) is bonded in a 9-coordinate geometry to one O(1), two equivalent O(4), two equivalent O(5), two equivalent O(7), and two equivalent O(8) atoms. The La(1)-O(1) bond length is 2.43 Å. Both La(1)-O(4) bond lengths are 2.78 Å. Both La(1)-O(5) bond lengths are 2.43 Å. Both La(1)-O(7) bond lengths are 2.76 Å. Both La(1)-O(8) bond lengths are 2.71 Å. In the second La site, La(2) is bonded in a 9-coordinate geometry to one O(4), two equivalent O(1), two equivalent O(5), two equivalent O(6), and two equivalent O(7) atoms. The La(2)-O(4) bond length is 2.43 Å. Both La(2)-O(1) bond lengths are 2.78 Å. Both La(2)-O(5) bond lengths are 2.77 Å. Both La(2)-O(6) bond lengths are 2.76 Å. Both La(2)-O(7) bond lengths are 2.43 Å. In the third La site, La(3) is bonded in a 9-coordinate geometry to one O(3), two equivalent O(2), two equivalent O(5), two equivalent O(6), and two equivalent O(8) atoms. The La(3)-O(3) bond length is 2.41 Å. Both La(3)-O(2) bond lengths are 2.77 Å. Both La(3)-O(5) bond lengths are 2.80 Å. Both La(3)-O(6) bond lengths are 2.80 Å. Both La(3)-O(8) bond lengths are 2.43 Å. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(1), one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form corner-sharing CrO6 octahedra. The corner-sharing octahedral tilt angles range from 16-22°. The Cr(1)-O(1) bond length is 2.00 Å. The Cr(1)-O(3) bond length is 2.00 Å. The Cr(1)-O(5) bond length is 1.99 Å. The Cr(1)-O(6) bond length is 1.98 Å. The Cr(1)-O(7) bond length is 2.00 Å. The Cr(1)-O(8) bond length is 2.00 Å. In the second Cr site, Cr(2) is bonded to one O(2), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form corner-sharing CrO6 octahedra. The corner-sharing octahedral tilt angles range from 16-22°. The Cr(2)-O(2) bond length is 1.98 Å. The Cr(2)-O(4) bond length is 2.01 Å. The Cr(2)-O(5) bond length is 2.00 Å. The Cr(2)-O(6) bond length is 1.97 Å. The Cr(2)-O(7) bond length is 2.00 Å. The Cr(2)-O(8) bond length is 1.99 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one La(1), two equivalent La(2), and two equivalent Cr(1) atoms. In the second O site, O(2) is bonded in a 3-coordinate geometry to two equivalent Sr(1), two equivalent La(3), and two equivalent Cr(2) atoms. In the third O site, O(3) is bonded in a 5-coordinate geometry to two equivalent Sr(1), one La(3), and two equivalent Cr(1) atoms. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one La(2), two equivalent La(1), and two equivalent Cr(2) atoms. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Sr(1), one La(1), one La(2), one La(3), one Cr(1), and one Cr(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Sr(1), one La(2), one La(3), one Cr(1), and one Cr(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Sr(1), one La(1), one La(2), one Cr(1), and one Cr(2) atom. In the eighth O site, O(8) is bonded in a 5-coordinate geometry to one Sr(1), one La(1), one La(3), one Cr(1), and one Cr(2) atom.