Sr4MgLa2(RuO6)2 is (La,Ba)CuO4-derived structured and crystallizes in the monoclinic C2/m space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 9-coordinate geometry to one O(2), four equivalent O(4), and four equivalent O(5) atoms. In the second Sr site, Sr(2) is bonded in a 9-coordinate geometry to one O(7), four equivalent O(4), and four equivalent O(9) atoms. In the third Sr site, Sr(3) is bonded in a 9-coordinate geometry to four equivalent O(6) and five equivalent O(8) atoms. In the fourth Sr site, Sr(4) is bonded in a 9-coordinate geometry to one O(9), four equivalent O(6), and four equivalent O(7) atoms. Mg(1) is bonded to one O(2), one O(3), and four equivalent O(1) atoms to form corner-sharing MgO6 octahedra. The corner-sharing octahedral tilt angles are 1°. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 9-coordinate geometry to four equivalent O(1) and five equivalent O(3) atoms. In the second La site, La(2) is bonded in a 9-coordinate geometry to one O(5), four equivalent O(1), and four equivalent O(2) atoms. There are two inequivalent Ru sites. In the first Ru site, Ru(1) is bonded to one O(7), one O(8), and four equivalent O(6) atoms to form corner-sharing RuO6 octahedra. The corner-sharing octahedra are not tilted. In the second Ru site, Ru(2) is bonded to one O(5), one O(9), and four equivalent O(4) atoms to form corner-sharing RuO6 octahedra. The corner-sharing octahedral tilt angles are 1°. There are nine inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Mg(1), two equivalent La(1), and two equivalent La(2) atoms to form distorted OLa4Mg2 octahedra that share corners with two equivalent O(1)La4Mg2 octahedra, corners with two equivalent O(5)Sr4LaRu octahedra, corners with six equivalent O(3)La5Mg octahedra, edges with two equivalent O(1)La4Mg2 octahedra, faces with two equivalent O(3)La5Mg octahedra, and faces with four equivalent O(1)La4Mg2 octahedra. The corner-sharing octahedral tilt angles range from 1-50°. In the second O site, O(2) is bonded in a 6-coordinate geometry to one Sr(1), one Mg(1), and four equivalent La(2) atoms. In the third O site, O(3) is bonded to one Mg(1) and five equivalent La(1) atoms to form distorted OLa5Mg octahedra that share corners with four equivalent O(3)La5Mg octahedra, corners with twelve equivalent O(1)La4Mg2 octahedra, edges with eight equivalent O(3)La5Mg octahedra, and faces with four equivalent O(1)La4Mg2 octahedra. The corner-sharing octahedral tilt angles range from 21-50°. In the fourth O site, O(4) is bonded to two equivalent Sr(1), two equivalent Sr(2), and two equivalent Ru(2) atoms to form OSr4Ru2 octahedra that share corners with two equivalent O(4)Sr4Ru2 octahedra, corners with two equivalent O(7)Sr5Ru octahedra, corners with four equivalent O(5)Sr4LaRu octahedra, corners with four equivalent O(9)Sr5Ru octahedra, edges with two equivalent O(4)Sr4Ru2 octahedra, faces with two equivalent O(5)Sr4LaRu octahedra, faces with two equivalent O(9)Sr5Ru octahedra, and faces with four equivalent O(4)Sr4Ru2 octahedra. The corner-sharing octahedral tilt angles range from 1-56°. In the fifth O site, O(5) is bonded to four equivalent Sr(1), one La(2), and one Ru(2) atom to form OSr4LaRu octahedra that share  a cornercorner with one O(9)Sr5Ru octahedra, corners with four equivalent O(1)La4Mg2 octahedra, corners with four equivalent O(5)Sr4LaRu octahedra, corners with eight equivalent O(4)Sr4Ru2 octahedra, edges with four equivalent O(5)Sr4LaRu octahedra, and faces with four equivalent O(4)Sr4Ru2 octahedra. The corner-sharing octahedral tilt angles range from 0-55°. In the sixth O site, O(6) is bonded to two equivalent Sr(3), two equivalent Sr(4), and two equivalent Ru(1) atoms to form OSr4Ru2 octahedra that share corners with two equivalent O(6)Sr4Ru2 octahedra, corners with two equivalent O(9)Sr5Ru octahedra, corners with four equivalent O(7)Sr5Ru octahedra, corners with six equivalent O(8)Sr5Ru octahedra, edges with two equivalent O(6)Sr4Ru2 octahedra, faces with two equivalent O(7)Sr5Ru octahedra, faces with two equivalent O(8)Sr5Ru octahedra, and faces with four equivalent O(6)Sr4Ru2 octahedra. The corner-sharing octahedral tilt angles range from 0-56°. In the seventh O site, O(7) is bonded to one Sr(2), four equivalent Sr(4), and one Ru(1) atom to form OSr5Ru octahedra that share  a cornercorner with one O(8)Sr5Ru octahedra, corners with four equivalent O(4)Sr4Ru2 octahedra, corners with four equivalent O(7)Sr5Ru octahedra, corners with eight equivalent O(6)Sr4Ru2 octahedra, edges with four equivalent O(7)Sr5Ru octahedra, edges with four equivalent O(9)Sr5Ru octahedra, and faces with four equivalent O(6)Sr4Ru2 octahedra. The corner-sharing octahedral tilt angles range from 0-56°. In the eighth O site, O(8) is bonded to five equivalent Sr(3) and one Ru(1) atom to form OSr5Ru octahedra that share  a cornercorner with one O(7)Sr5Ru octahedra, corners with four equivalent O(8)Sr5Ru octahedra, corners with twelve equivalent O(6)Sr4Ru2 octahedra, edges with eight equivalent O(8)Sr5Ru octahedra, and faces with four equivalent O(6)Sr4Ru2 octahedra. The corner-sharing octahedral tilt angles range from 0-56°. In the ninth O site, O(9) is bonded to one Sr(4), four equivalent Sr(2), and one Ru(2) atom to form OSr5Ru octahedra that share  a cornercorner with one O(5)Sr4LaRu octahedra, corners with four equivalent O(6)Sr4Ru2 octahedra, corners with four equivalent O(9)Sr5Ru octahedra, corners with eight equivalent O(4)Sr4Ru2 octahedra, edges with four equivalent O(7)Sr5Ru octahedra, edges with four equivalent O(9)Sr5Ru octahedra, and faces with four equivalent O(4)Sr4Ru2 octahedra. The corner-sharing octahedral tilt angles range from 0-56°.
Sr4MgLa2(RuO6)2 is (La,Ba)CuO4-derived structured and crystallizes in the monoclinic C2/m space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 9-coordinate geometry to one O(2), four equivalent O(4), and four equivalent O(5) atoms. The Sr(1)-O(2) bond length is 2.34 Å. There are two shorter (2.67 Å) and two longer (2.68 Å) Sr(1)-O(4) bond lengths. There are three shorter (2.76 Å) and one longer (2.77 Å) Sr(1)-O(5) bond length. In the second Sr site, Sr(2) is bonded in a 9-coordinate geometry to one O(7), four equivalent O(4), and four equivalent O(9) atoms. The Sr(2)-O(7) bond length is 2.45 Å. All Sr(2)-O(4) bond lengths are 2.68 Å. All Sr(2)-O(9) bond lengths are 2.76 Å. In the third Sr site, Sr(3) is bonded in a 9-coordinate geometry to four equivalent O(6) and five equivalent O(8) atoms. All Sr(3)-O(6) bond lengths are 2.69 Å. There is one shorter (2.44 Å) and four longer (2.76 Å) Sr(3)-O(8) bond lengths. In the fourth Sr site, Sr(4) is bonded in a 9-coordinate geometry to one O(9), four equivalent O(6), and four equivalent O(7) atoms. The Sr(4)-O(9) bond length is 2.44 Å. All Sr(4)-O(6) bond lengths are 2.69 Å. All Sr(4)-O(7) bond lengths are 2.76 Å. Mg(1) is bonded to one O(2), one O(3), and four equivalent O(1) atoms to form corner-sharing MgO6 octahedra. The corner-sharing octahedral tilt angles are 1°. The Mg(1)-O(2) bond length is 2.13 Å. The Mg(1)-O(3) bond length is 2.24 Å. There are two shorter (1.94 Å) and two longer (1.95 Å) Mg(1)-O(1) bond lengths. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 9-coordinate geometry to four equivalent O(1) and five equivalent O(3) atoms. There are two shorter (2.59 Å) and two longer (2.60 Å) La(1)-O(1) bond lengths. There are a spread of La(1)-O(3) bond distances ranging from 2.32-2.82 Å. In the second La site, La(2) is bonded in a 9-coordinate geometry to one O(5), four equivalent O(1), and four equivalent O(2) atoms. The La(2)-O(5) bond length is 2.50 Å. There are two shorter (2.57 Å) and two longer (2.63 Å) La(2)-O(1) bond lengths. There are a spread of La(2)-O(2) bond distances ranging from 2.65-2.92 Å. There are two inequivalent Ru sites. In the first Ru site, Ru(1) is bonded to one O(7), one O(8), and four equivalent O(6) atoms to form corner-sharing RuO6 octahedra. The corner-sharing octahedra are not tilted. The Ru(1)-O(7) bond length is 2.05 Å. The Ru(1)-O(8) bond length is 2.05 Å. All Ru(1)-O(6) bond lengths are 1.95 Å. In the second Ru site, Ru(2) is bonded to one O(5), one O(9), and four equivalent O(4) atoms to form corner-sharing RuO6 octahedra. The corner-sharing octahedral tilt angles are 1°. The Ru(2)-O(5) bond length is 2.08 Å. The Ru(2)-O(9) bond length is 2.06 Å. All Ru(2)-O(4) bond lengths are 1.95 Å. There are nine inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Mg(1), two equivalent La(1), and two equivalent La(2) atoms to form distorted OLa4Mg2 octahedra that share corners with two equivalent O(1)La4Mg2 octahedra, corners with two equivalent O(5)Sr4LaRu octahedra, corners with six equivalent O(3)La5Mg octahedra, edges with two equivalent O(1)La4Mg2 octahedra, faces with two equivalent O(3)La5Mg octahedra, and faces with four equivalent O(1)La4Mg2 octahedra. The corner-sharing octahedral tilt angles range from 1-50°. In the second O site, O(2) is bonded in a 6-coordinate geometry to one Sr(1), one Mg(1), and four equivalent La(2) atoms. In the third O site, O(3) is bonded to one Mg(1) and five equivalent La(1) atoms to form distorted OLa5Mg octahedra that share corners with four equivalent O(3)La5Mg octahedra, corners with twelve equivalent O(1)La4Mg2 octahedra, edges with eight equivalent O(3)La5Mg octahedra, and faces with four equivalent O(1)La4Mg2 octahedra. The corner-sharing octahedral tilt angles range from 21-50°. In the fourth O site, O(4) is bonded to two equivalent Sr(1), two equivalent Sr(2), and two equivalent Ru(2) atoms to form OSr4Ru2 octahedra that share corners with two equivalent O(4)Sr4Ru2 octahedra, corners with two equivalent O(7)Sr5Ru octahedra, corners with four equivalent O(5)Sr4LaRu octahedra, corners with four equivalent O(9)Sr5Ru octahedra, edges with two equivalent O(4)Sr4Ru2 octahedra, faces with two equivalent O(5)Sr4LaRu octahedra, faces with two equivalent O(9)Sr5Ru octahedra, and faces with four equivalent O(4)Sr4Ru2 octahedra. The corner-sharing octahedral tilt angles range from 1-56°. In the fifth O site, O(5) is bonded to four equivalent Sr(1), one La(2), and one Ru(2) atom to form OSr4LaRu octahedra that share  a cornercorner with one O(9)Sr5Ru octahedra, corners with four equivalent O(1)La4Mg2 octahedra, corners with four equivalent O(5)Sr4LaRu octahedra, corners with eight equivalent O(4)Sr4Ru2 octahedra, edges with four equivalent O(5)Sr4LaRu octahedra, and faces with four equivalent O(4)Sr4Ru2 octahedra. The corner-sharing octahedral tilt angles range from 0-55°. In the sixth O site, O(6) is bonded to two equivalent Sr(3), two equivalent Sr(4), and two equivalent Ru(1) atoms to form OSr4Ru2 octahedra that share corners with two equivalent O(6)Sr4Ru2 octahedra, corners with two equivalent O(9)Sr5Ru octahedra, corners with four equivalent O(7)Sr5Ru octahedra, corners with six equivalent O(8)Sr5Ru octahedra, edges with two equivalent O(6)Sr4Ru2 octahedra, faces with two equivalent O(7)Sr5Ru octahedra, faces with two equivalent O(8)Sr5Ru octahedra, and faces with four equivalent O(6)Sr4Ru2 octahedra. The corner-sharing octahedral tilt angles range from 0-56°. In the seventh O site, O(7) is bonded to one Sr(2), four equivalent Sr(4), and one Ru(1) atom to form OSr5Ru octahedra that share  a cornercorner with one O(8)Sr5Ru octahedra, corners with four equivalent O(4)Sr4Ru2 octahedra, corners with four equivalent O(7)Sr5Ru octahedra, corners with eight equivalent O(6)Sr4Ru2 octahedra, edges with four equivalent O(7)Sr5Ru octahedra, edges with four equivalent O(9)Sr5Ru octahedra, and faces with four equivalent O(6)Sr4Ru2 octahedra. The corner-sharing octahedral tilt angles range from 0-56°. In the eighth O site, O(8) is bonded to five equivalent Sr(3) and one Ru(1) atom to form OSr5Ru octahedra that share  a cornercorner with one O(7)Sr5Ru octahedra, corners with four equivalent O(8)Sr5Ru octahedra, corners with twelve equivalent O(6)Sr4Ru2 octahedra, edges with eight equivalent O(8)Sr5Ru octahedra, and faces with four equivalent O(6)Sr4Ru2 octahedra. The corner-sharing octahedral tilt angles range from 0-56°. In the ninth O site, O(9) is bonded to one Sr(4), four equivalent Sr(2), and one Ru(2) atom to form OSr5Ru octahedra that share  a cornercorner with one O(5)Sr4LaRu octahedra, corners with four equivalent O(6)Sr4Ru2 octahedra, corners with four equivalent O(9)Sr5Ru octahedra, corners with eight equivalent O(4)Sr4Ru2 octahedra, edges with four equivalent O(7)Sr5Ru octahedra, edges with four equivalent O(9)Sr5Ru octahedra, and faces with four equivalent O(4)Sr4Ru2 octahedra. The corner-sharing octahedral tilt angles range from 0-56°.