Sr4CaTb2(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(5), one O(6), 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(2), one O(3), one O(5), and one O(9) atom. In the third Sr site, Sr(3) is bonded in a 7-coordinate geometry to one O(1), one O(11), one O(12), one O(3), one O(4), one O(7), and one O(8) atom. In the fourth Sr site, Sr(4) is bonded in a 7-coordinate geometry to one O(11), one O(12), one O(3), one O(4), one O(5), one O(7), and one O(8) atom. Ca(1) is bonded in a 6-coordinate geometry to one O(10), one O(2), one O(4), one O(6), one O(8), and one O(9) atom. 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 TbO6 octahedra that share corners with two equivalent Ru(2)O6 octahedra and corners with four equivalent Ru(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-31°. 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 and corners with four equivalent Ru(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 17-36°. 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 and corners with four equivalent Tb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-29°. 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 and corners with four equivalent Tb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 17-36°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), one Sr(2), one Sr(3), one Tb(1), and one Ru(1) atom to form distorted OSr3TbRu trigonal bipyramids that share  a cornercorner with one O(8)Sr2CaTbRu square pyramid and edges with two equivalent O(7)Sr3TbRu square pyramids. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Sr(2), one Ca(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(2), 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 Ca(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(4), 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(1), one Ca(1), one Tb(2), and one Ru(2) atom. In the seventh O site, O(7) is bonded to one Sr(1), one Sr(3), one Sr(4), one Tb(1), and one Ru(1) atom to form distorted OSr3TbRu square pyramids that share corners with two equivalent O(8)Sr2CaTbRu square pyramids and edges with two equivalent O(1)Sr3TbRu trigonal bipyramids. In the eighth O site, O(8) is bonded to one Sr(3), one Sr(4), one Ca(1), one Tb(2), and one Ru(2) atom to form distorted corner-sharing OSr2CaTbRu square pyramids. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(2), one Ca(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 Ca(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.
Sr4CaTb2(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(5), one O(6), one O(7), and one O(9) atom. The Sr(1)-O(1) bond length is 2.36 Å. The Sr(1)-O(10) bond length is 2.40 Å. The Sr(1)-O(5) bond length is 2.53 Å. The Sr(1)-O(6) bond length is 2.66 Å. The Sr(1)-O(7) bond length is 2.37 Å. The Sr(1)-O(9) bond length is 2.84 Å. In the second Sr site, Sr(2) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(5), and one O(9) atom. The Sr(2)-O(1) bond length is 2.48 Å. The Sr(2)-O(10) bond length is 2.58 Å. The Sr(2)-O(2) bond length is 2.58 Å. The Sr(2)-O(3) bond length is 2.88 Å. The Sr(2)-O(5) bond length is 2.77 Å. The Sr(2)-O(9) bond length is 2.50 Å. In the third Sr site, Sr(3) is bonded in a 7-coordinate geometry to one O(1), one O(11), one O(12), one O(3), one O(4), one O(7), and one O(8) atom. The Sr(3)-O(1) bond length is 2.78 Å. The Sr(3)-O(11) bond length is 2.89 Å. The Sr(3)-O(12) bond length is 2.56 Å. The Sr(3)-O(3) bond length is 2.56 Å. The Sr(3)-O(4) bond length is 2.67 Å. The Sr(3)-O(7) bond length is 2.64 Å. The Sr(3)-O(8) bond length is 2.73 Å. In the fourth Sr site, Sr(4) is bonded in a 7-coordinate geometry to one O(11), one O(12), one O(3), one O(4), one O(5), one O(7), and one O(8) atom. The Sr(4)-O(11) bond length is 2.52 Å. The Sr(4)-O(12) bond length is 2.64 Å. The Sr(4)-O(3) bond length is 2.68 Å. The Sr(4)-O(4) bond length is 2.87 Å. The Sr(4)-O(5) bond length is 2.80 Å. The Sr(4)-O(7) bond length is 2.66 Å. The Sr(4)-O(8) bond length is 2.57 Å. Ca(1) is bonded in a 6-coordinate geometry to one O(10), one O(2), one O(4), one O(6), one O(8), and one O(9) atom. The Ca(1)-O(10) bond length is 2.35 Å. The Ca(1)-O(2) bond length is 2.32 Å. The Ca(1)-O(4) bond length is 2.66 Å. The Ca(1)-O(6) bond length is 2.40 Å. The Ca(1)-O(8) bond length is 2.19 Å. The Ca(1)-O(9) bond length is 2.33 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 TbO6 octahedra that share corners with two equivalent Ru(2)O6 octahedra and corners with four equivalent Ru(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-31°. The Tb(1)-O(1) bond length is 2.31 Å. The Tb(1)-O(11) bond length is 2.23 Å. The Tb(1)-O(3) bond length is 2.23 Å. The Tb(1)-O(5) bond length is 2.26 Å. The Tb(1)-O(7) bond length is 2.30 Å. The Tb(1)-O(9) bond length is 2.42 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 and corners with four equivalent Ru(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 17-36°. The Tb(2)-O(10) bond length is 2.54 Å. The Tb(2)-O(12) bond length is 2.19 Å. The Tb(2)-O(2) bond length is 2.36 Å. The Tb(2)-O(4) bond length is 2.22 Å. The Tb(2)-O(6) bond length is 2.20 Å. The Tb(2)-O(8) bond length is 2.33 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 and corners with four equivalent Tb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 23-29°. The Ru(1)-O(1) bond length is 2.09 Å. The Ru(1)-O(10) bond length is 2.18 Å. The Ru(1)-O(12) bond length is 1.99 Å. The Ru(1)-O(3) bond length is 2.00 Å. The Ru(1)-O(5) bond length is 2.04 Å. The Ru(1)-O(7) bond length is 2.11 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 and corners with four equivalent Tb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 17-36°. The Ru(2)-O(11) bond length is 2.02 Å. The Ru(2)-O(2) bond length is 2.00 Å. The Ru(2)-O(4) bond length is 2.01 Å. The Ru(2)-O(6) bond length is 2.06 Å. The Ru(2)-O(8) bond length is 2.14 Å. The Ru(2)-O(9) bond length is 2.22 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), one Sr(2), one Sr(3), one Tb(1), and one Ru(1) atom to form distorted OSr3TbRu trigonal bipyramids that share  a cornercorner with one O(8)Sr2CaTbRu square pyramid and edges with two equivalent O(7)Sr3TbRu square pyramids. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Sr(2), one Ca(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(2), 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 Ca(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(4), 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(1), one Ca(1), one Tb(2), and one Ru(2) atom. In the seventh O site, O(7) is bonded to one Sr(1), one Sr(3), one Sr(4), one Tb(1), and one Ru(1) atom to form distorted OSr3TbRu square pyramids that share corners with two equivalent O(8)Sr2CaTbRu square pyramids and edges with two equivalent O(1)Sr3TbRu trigonal bipyramids. In the eighth O site, O(8) is bonded to one Sr(3), one Sr(4), one Ca(1), one Tb(2), and one Ru(2) atom to form distorted corner-sharing OSr2CaTbRu square pyramids. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(2), one Ca(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 Ca(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.