Sr4MgTb2(RuO6)2 is Orthorhombic Perovskite-derived structured and crystallizes in the triclinic P1 space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(5), one O(7), and one O(9) atom. In the second Sr site, Sr(2) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(5), one O(6), one O(7), and one O(9) atom. In the third Sr site, Sr(3) is bonded in a 8-coordinate geometry to one O(11), one O(12), one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom. In the fourth Sr site, Sr(4) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(12), one O(2), one O(3), one O(4), one O(7), and one O(8) atom. Mg(1) is bonded to one O(10), one O(2), one O(4), one O(6), and one O(9) atom to form distorted MgO5 trigonal bipyramids that share  a cornercorner with one Tb(1)O6 octahedra,  a cornercorner with one Tb(2)O6 octahedra,  a cornercorner with one Ru(1)O6 octahedra, edges with two equivalent Ru(2)O6 octahedra, and  a faceface with one Tb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-63°. There are two inequivalent Tb sites. In the first Tb site, Tb(1) is bonded to one O(1), one O(11), one O(3), one O(5), one O(7), and one O(9) atom to form distorted TbO6 octahedra that share corners with two equivalent Ru(2)O6 octahedra, corners with four equivalent Ru(1)O6 octahedra, and  a cornercorner with one Mg(1)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 14-44°. In the second Tb site, Tb(2) is bonded to one O(10), one O(12), one O(2), one O(4), one O(6), and one O(8) atom to form distorted TbO6 octahedra that share corners with two equivalent Ru(1)O6 octahedra, corners with four equivalent Ru(2)O6 octahedra,  a cornercorner with one Mg(1)O5 trigonal bipyramid, and  a faceface with one Mg(1)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 21-47°. There are two inequivalent Ru sites. In the first Ru site, Ru(1) is bonded to one O(1), one O(10), one O(12), one O(3), one O(5), and one O(7) atom to form RuO6 octahedra that share corners with two equivalent Tb(2)O6 octahedra, corners with four equivalent Tb(1)O6 octahedra, and  a cornercorner with one Mg(1)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 14-31°. In the second Ru site, Ru(2) is bonded to one O(11), one O(2), one O(4), one O(6), one O(8), and one O(9) atom to form RuO6 octahedra that share corners with two equivalent Tb(1)O6 octahedra, corners with four equivalent Tb(2)O6 octahedra, and edges with two equivalent Mg(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 21-47°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(2), one Sr(4), one Tb(1), and one Ru(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(4), one Mg(1), one Tb(2), and one Ru(2) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(3), one Sr(4), one Tb(1), and one Ru(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Sr(3), one Sr(4), one Mg(1), one Tb(2), and one Ru(2) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(2), one Sr(3), one Tb(1), and one Ru(1) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Sr(2), one Sr(3), one Mg(1), one Tb(2), and one Ru(2) atom. In the seventh O site, O(7) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Tb(1), and one Ru(1) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Sr(3), one Sr(4), one Tb(2), and one Ru(2) atom. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(2), one Mg(1), one Tb(1), and one Ru(2) atom. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(2), one Mg(1), one Tb(2), and one Ru(1) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Sr(3), one Sr(4), one Tb(1), and one Ru(2) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Sr(3), one Sr(4), one Tb(2), and one Ru(1) atom.
Sr4MgTb2(RuO6)2 is Orthorhombic Perovskite-derived structured and crystallizes in the triclinic P1 space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(5), one O(7), and one O(9) atom. The Sr(1)-O(1) bond length is 2.52 Å. The Sr(1)-O(10) bond length is 2.47 Å. The Sr(1)-O(2) bond length is 2.61 Å. The Sr(1)-O(3) bond length is 2.42 Å. The Sr(1)-O(5) bond length is 2.43 Å. The Sr(1)-O(7) bond length is 3.13 Å. The Sr(1)-O(9) bond length is 2.52 Å. In the second Sr site, Sr(2) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(5), one O(6), one O(7), and one O(9) atom. The Sr(2)-O(1) bond length is 2.61 Å. The Sr(2)-O(10) bond length is 2.55 Å. The Sr(2)-O(5) bond length is 2.51 Å. The Sr(2)-O(6) bond length is 2.53 Å. The Sr(2)-O(7) bond length is 2.84 Å. The Sr(2)-O(9) bond length is 2.49 Å. In the third Sr site, Sr(3) is bonded in a 8-coordinate geometry to one O(11), one O(12), one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom. The Sr(3)-O(11) bond length is 2.79 Å. The Sr(3)-O(12) bond length is 2.54 Å. The Sr(3)-O(3) bond length is 2.73 Å. The Sr(3)-O(4) bond length is 2.74 Å. The Sr(3)-O(5) bond length is 2.95 Å. The Sr(3)-O(6) bond length is 3.08 Å. The Sr(3)-O(7) bond length is 2.55 Å. The Sr(3)-O(8) bond length is 2.56 Å. In the fourth Sr site, Sr(4) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(12), one O(2), one O(3), one O(4), one O(7), and one O(8) atom. The Sr(4)-O(1) bond length is 3.04 Å. The Sr(4)-O(11) bond length is 2.46 Å. The Sr(4)-O(12) bond length is 2.75 Å. The Sr(4)-O(2) bond length is 3.11 Å. The Sr(4)-O(3) bond length is 2.72 Å. The Sr(4)-O(4) bond length is 2.46 Å. The Sr(4)-O(7) bond length is 2.67 Å. The Sr(4)-O(8) bond length is 2.85 Å. Mg(1) is bonded to one O(10), one O(2), one O(4), one O(6), and one O(9) atom to form distorted MgO5 trigonal bipyramids that share  a cornercorner with one Tb(1)O6 octahedra,  a cornercorner with one Tb(2)O6 octahedra,  a cornercorner with one Ru(1)O6 octahedra, edges with two equivalent Ru(2)O6 octahedra, and  a faceface with one Tb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-63°. The Mg(1)-O(10) bond length is 2.07 Å. The Mg(1)-O(2) bond length is 2.09 Å. The Mg(1)-O(4) bond length is 2.00 Å. The Mg(1)-O(6) bond length is 2.14 Å. The Mg(1)-O(9) bond length is 2.19 Å. There are two inequivalent Tb sites. In the first Tb site, Tb(1) is bonded to one O(1), one O(11), one O(3), one O(5), one O(7), and one O(9) atom to form distorted TbO6 octahedra that share corners with two equivalent Ru(2)O6 octahedra, corners with four equivalent Ru(1)O6 octahedra, and  a cornercorner with one Mg(1)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 14-44°. The Tb(1)-O(1) bond length is 2.22 Å. The Tb(1)-O(11) bond length is 2.16 Å. The Tb(1)-O(3) bond length is 2.25 Å. The Tb(1)-O(5) bond length is 2.23 Å. The Tb(1)-O(7) bond length is 2.22 Å. The Tb(1)-O(9) bond length is 2.84 Å. In the second Tb site, Tb(2) is bonded to one O(10), one O(12), one O(2), one O(4), one O(6), and one O(8) atom to form distorted TbO6 octahedra that share corners with two equivalent Ru(1)O6 octahedra, corners with four equivalent Ru(2)O6 octahedra,  a cornercorner with one Mg(1)O5 trigonal bipyramid, and  a faceface with one Mg(1)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 21-47°. The Tb(2)-O(10) bond length is 2.52 Å. The Tb(2)-O(12) bond length is 2.19 Å. The Tb(2)-O(2) bond length is 2.24 Å. The Tb(2)-O(4) bond length is 2.36 Å. The Tb(2)-O(6) bond length is 2.37 Å. The Tb(2)-O(8) bond length is 2.24 Å. There are two inequivalent Ru sites. In the first Ru site, Ru(1) is bonded to one O(1), one O(10), one O(12), one O(3), one O(5), and one O(7) atom to form RuO6 octahedra that share corners with two equivalent Tb(2)O6 octahedra, corners with four equivalent Tb(1)O6 octahedra, and  a cornercorner with one Mg(1)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 14-31°. The Ru(1)-O(1) bond length is 2.03 Å. The Ru(1)-O(10) bond length is 2.20 Å. The Ru(1)-O(12) bond length is 2.02 Å. The Ru(1)-O(3) bond length is 2.06 Å. The Ru(1)-O(5) bond length is 2.04 Å. The Ru(1)-O(7) bond length is 2.00 Å. In the second Ru site, Ru(2) is bonded to one O(11), one O(2), one O(4), one O(6), one O(8), and one O(9) atom to form RuO6 octahedra that share corners with two equivalent Tb(1)O6 octahedra, corners with four equivalent Tb(2)O6 octahedra, and edges with two equivalent Mg(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 21-47°. The Ru(2)-O(11) bond length is 2.04 Å. The Ru(2)-O(2) bond length is 2.15 Å. The Ru(2)-O(4) bond length is 2.07 Å. The Ru(2)-O(6) bond length is 2.04 Å. The Ru(2)-O(8) bond length is 1.98 Å. The Ru(2)-O(9) bond length is 2.11 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(2), one Sr(4), one Tb(1), and one Ru(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(4), one Mg(1), one Tb(2), and one Ru(2) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(3), one Sr(4), one Tb(1), and one Ru(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Sr(3), one Sr(4), one Mg(1), one Tb(2), and one Ru(2) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(2), one Sr(3), one Tb(1), and one Ru(1) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Sr(2), one Sr(3), one Mg(1), one Tb(2), and one Ru(2) atom. In the seventh O site, O(7) is bonded in a 6-coordinate geometry to one Sr(1), one Sr(2), one Sr(3), one Sr(4), one Tb(1), and one Ru(1) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Sr(3), one Sr(4), one Tb(2), and one Ru(2) atom. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(2), one Mg(1), one Tb(1), and one Ru(2) atom. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(2), one Mg(1), one Tb(2), and one Ru(1) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Sr(3), one Sr(4), one Tb(1), and one Ru(2) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Sr(3), one Sr(4), one Tb(2), and one Ru(1) atom.