Sr2MgLa2(RuO4)3 is Orthorhombic Perovskite-derived structured and crystallizes in the monoclinic P2_1/c space group. Sr(1) is bonded in a 6-coordinate geometry to one O(6), two equivalent O(2), two equivalent O(5), and three equivalent O(4) atoms. Mg(1) is bonded to two equivalent O(1) and four equivalent O(3) atoms to form MgO6 octahedra that share corners with two equivalent Ru(2)O6 octahedra and corners with four equivalent Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 25-27°. La(1) is bonded in a 7-coordinate geometry to two equivalent O(1), two equivalent O(6), and three equivalent O(3) atoms. There are two inequivalent Ru sites. In the first Ru site, Ru(1) is bonded to two equivalent O(2) and four equivalent O(4) atoms to form corner-sharing RuO6 octahedra. The corner-sharing octahedral tilt angles range from 20-24°. In the second Ru site, Ru(2) is bonded to one O(1), one O(2), two equivalent O(5), and two equivalent O(6) atoms to form RuO6 octahedra that share  a cornercorner with one Mg(1)O6 octahedra,  a cornercorner with one Ru(1)O6 octahedra, and corners with four equivalent Ru(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-27°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Mg(1), two equivalent La(1), and one Ru(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to two equivalent Sr(1), one Ru(1), and one Ru(2) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to two equivalent Mg(1) and three equivalent La(1) atoms. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to three equivalent Sr(1) and two equivalent Ru(1) atoms. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Sr(1) and two equivalent Ru(2) atoms. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Sr(1), two equivalent La(1), and two equivalent Ru(2) atoms.
Sr2MgLa2(RuO4)3 is Orthorhombic Perovskite-derived structured and crystallizes in the monoclinic P2_1/c space group. Sr(1) is bonded in a 6-coordinate geometry to one O(6), two equivalent O(2), two equivalent O(5), and three equivalent O(4) atoms. The Sr(1)-O(6) bond length is 2.98 Å. There is one shorter (2.47 Å) and one longer (2.64 Å) Sr(1)-O(2) bond length. There is one shorter (2.50 Å) and one longer (2.66 Å) Sr(1)-O(5) bond length. There are a spread of Sr(1)-O(4) bond distances ranging from 2.52-2.87 Å. Mg(1) is bonded to two equivalent O(1) and four equivalent O(3) atoms to form MgO6 octahedra that share corners with two equivalent Ru(2)O6 octahedra and corners with four equivalent Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 25-27°. Both Mg(1)-O(1) bond lengths are 2.14 Å. All Mg(1)-O(3) bond lengths are 2.04 Å. La(1) is bonded in a 7-coordinate geometry to two equivalent O(1), two equivalent O(6), and three equivalent O(3) atoms. There is one shorter (2.45 Å) and one longer (2.61 Å) La(1)-O(1) bond length. There is one shorter (2.54 Å) and one longer (2.64 Å) La(1)-O(6) bond length. There are a spread of La(1)-O(3) bond distances ranging from 2.35-2.81 Å. There are two inequivalent Ru sites. In the first Ru site, Ru(1) is bonded to two equivalent O(2) and four equivalent O(4) atoms to form corner-sharing RuO6 octahedra. The corner-sharing octahedral tilt angles range from 20-24°. Both Ru(1)-O(2) bond lengths are 2.02 Å. There are two shorter (2.02 Å) and two longer (2.03 Å) Ru(1)-O(4) bond lengths. In the second Ru site, Ru(2) is bonded to one O(1), one O(2), two equivalent O(5), and two equivalent O(6) atoms to form RuO6 octahedra that share  a cornercorner with one Mg(1)O6 octahedra,  a cornercorner with one Ru(1)O6 octahedra, and corners with four equivalent Ru(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-27°. The Ru(2)-O(1) bond length is 1.98 Å. The Ru(2)-O(2) bond length is 2.04 Å. There is one shorter (2.00 Å) and one longer (2.01 Å) Ru(2)-O(5) bond length. Both Ru(2)-O(6) bond lengths are 2.08 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Mg(1), two equivalent La(1), and one Ru(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to two equivalent Sr(1), one Ru(1), and one Ru(2) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to two equivalent Mg(1) and three equivalent La(1) atoms. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to three equivalent Sr(1) and two equivalent Ru(1) atoms. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Sr(1) and two equivalent Ru(2) atoms. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Sr(1), two equivalent La(1), and two equivalent Ru(2) atoms.