Ba2MgLuRuO6 crystallizes in the monoclinic Cm space group. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 12-coordinate geometry to two equivalent O(2), two equivalent O(3), four equivalent O(1), and four equivalent O(4) atoms. In the second Ba site, Ba(2) is bonded in a 10-coordinate geometry to one Mg(1), one O(3), two equivalent O(1), two equivalent O(2), and four equivalent O(4) atoms. Mg(1) is bonded in a 3-coordinate geometry to one Ba(2), one O(3), and two equivalent O(1) atoms. Lu(1) is bonded to one O(2), one O(3), two equivalent O(1), and two equivalent O(4) atoms to form distorted LuO6 octahedra that share corners with six equivalent Ru(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-11°. Ru(1) is bonded to one O(2), one O(3), two equivalent O(1), and two equivalent O(4) atoms to form RuO6 octahedra that share corners with six equivalent Lu(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-11°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 6-coordinate geometry to one Ba(2), two equivalent Ba(1), one Mg(1), one Lu(1), and one Ru(1) atom. In the second O site, O(2) is bonded in a distorted linear geometry to two equivalent Ba(1), two equivalent Ba(2), one Lu(1), and one Ru(1) atom. In the third O site, O(3) is bonded in a 6-coordinate geometry to one Ba(2), two equivalent Ba(1), one Mg(1), one Lu(1), and one Ru(1) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to two equivalent Ba(1), two equivalent Ba(2), one Lu(1), and one Ru(1) atom.
Ba2MgLuRuO6 crystallizes in the monoclinic Cm space group. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 12-coordinate geometry to two equivalent O(2), two equivalent O(3), four equivalent O(1), and four equivalent O(4) atoms. There is one shorter (3.08 Å) and one longer (3.46 Å) Ba(1)-O(2) bond length. Both Ba(1)-O(3) bond lengths are 2.97 Å. There are two shorter (2.97 Å) and two longer (2.98 Å) Ba(1)-O(1) bond lengths. There are two shorter (2.98 Å) and two longer (3.48 Å) Ba(1)-O(4) bond lengths. In the second Ba site, Ba(2) is bonded in a 10-coordinate geometry to one Mg(1), one O(3), two equivalent O(1), two equivalent O(2), and four equivalent O(4) atoms. The Ba(2)-Mg(1) bond length is 2.80 Å. The Ba(2)-O(3) bond length is 2.50 Å. Both Ba(2)-O(1) bond lengths are 2.52 Å. Both Ba(2)-O(2) bond lengths are 3.17 Å. All Ba(2)-O(4) bond lengths are 3.18 Å. Mg(1) is bonded in a 3-coordinate geometry to one Ba(2), one O(3), and two equivalent O(1) atoms. The Mg(1)-O(3) bond length is 1.90 Å. Both Mg(1)-O(1) bond lengths are 1.90 Å. Lu(1) is bonded to one O(2), one O(3), two equivalent O(1), and two equivalent O(4) atoms to form distorted LuO6 octahedra that share corners with six equivalent Ru(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-11°. The Lu(1)-O(2) bond length is 2.06 Å. The Lu(1)-O(3) bond length is 2.46 Å. Both Lu(1)-O(1) bond lengths are 2.54 Å. Both Lu(1)-O(4) bond lengths are 2.07 Å. Ru(1) is bonded to one O(2), one O(3), two equivalent O(1), and two equivalent O(4) atoms to form RuO6 octahedra that share corners with six equivalent Lu(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-11°. The Ru(1)-O(2) bond length is 2.03 Å. The Ru(1)-O(3) bond length is 2.21 Å. Both Ru(1)-O(1) bond lengths are 2.21 Å. Both Ru(1)-O(4) bond lengths are 2.05 Å. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 6-coordinate geometry to one Ba(2), two equivalent Ba(1), one Mg(1), one Lu(1), and one Ru(1) atom. In the second O site, O(2) is bonded in a distorted linear geometry to two equivalent Ba(1), two equivalent Ba(2), one Lu(1), and one Ru(1) atom. In the third O site, O(3) is bonded in a 6-coordinate geometry to one Ba(2), two equivalent Ba(1), one Mg(1), one Lu(1), and one Ru(1) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to two equivalent Ba(1), two equivalent Ba(2), one Lu(1), and one Ru(1) atom.