Sr2MgPr2Fe2(RuO6)2 crystallizes in the triclinic P1 space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(12), one O(2), one O(6), one O(7), one O(8), and one O(9) atom. In the second Sr site, Sr(2) 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(9) atom. Mg(1) is bonded to one O(1), one O(10), one O(2), one O(8), and one O(9) atom to form distorted MgO5 trigonal bipyramids that share  an edgeedge with one Ru(2)O6 octahedra,  an edgeedge with one Fe(1)O5 square pyramid,  an edgeedge with one Fe(2)O5 trigonal bipyramid, and  a faceface with one Ru(1)O6 octahedra. There are two inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 6-coordinate geometry to one O(1), one O(11), one O(2), one O(6), one O(7), and one O(9) atom. In the second Pr site, Pr(2) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(12), one O(3), one O(4), one O(5), one O(6), and one O(8) atom. There are two inequivalent Ru sites. In the first Ru site, Ru(1) is bonded to one O(1), one O(12), one O(3), one O(5), one O(8), and one O(9) atom to form distorted RuO6 octahedra that share corners with two equivalent Fe(1)O5 square pyramids, corners with three equivalent Fe(2)O5 trigonal bipyramids, and  a faceface with one Mg(1)O5 trigonal bipyramid. In the second Ru site, Ru(2) is bonded to one O(10), one O(11), one O(2), one O(4), one O(6), and one O(7) atom to form RuO6 octahedra that share corners with three equivalent Fe(1)O5 square pyramids, corners with two equivalent Fe(2)O5 trigonal bipyramids, and  an edgeedge with one Mg(1)O5 trigonal bipyramid. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(10), one O(3), one O(6), and one O(7) atom to form distorted FeO5 square pyramids that share corners with two equivalent Ru(1)O6 octahedra, corners with three equivalent Ru(2)O6 octahedra, and  an edgeedge with one Mg(1)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 12-41°. In the second Fe site, Fe(2) is bonded to one O(12), one O(2), one O(4), one O(5), and one O(8) atom to form FeO5 trigonal bipyramids that share corners with two equivalent Ru(2)O6 octahedra, corners with three equivalent Ru(1)O6 octahedra, and  an edgeedge with one Mg(1)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 22-56°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), one Mg(1), one Pr(1), one Ru(1), and one Fe(1) atom to form distorted corner-sharing OSrPrMgFeRu trigonal bipyramids. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Sr(1), one Mg(1), one Pr(1), one Ru(2), and one Fe(2) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Sr(2), one Pr(2), one Ru(1), and one Fe(1) atom. In the fourth O site, O(4) is bonded to one Sr(2), one Pr(2), one Ru(2), and one Fe(2) atom to form distorted corner-sharing OSrPrFeRu tetrahedra. In the fifth O site, O(5) is bonded in a distorted see-saw-like geometry to one Sr(2), one Pr(2), one Ru(1), and one Fe(2) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(2), one Pr(1), one Pr(2), one Ru(2), and one Fe(1) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(2), one Pr(1), one Ru(2), and one Fe(1) atom. In the eighth O site, O(8) is bonded in a 5-coordinate geometry to one Sr(1), one Mg(1), one Pr(2), one Ru(1), and one Fe(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 Pr(1), and one Ru(1) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Sr(1), one Mg(1), one Pr(2), one Ru(2), and one Fe(1) atom. In the eleventh O site, O(11) is bonded to one Sr(2), one Pr(1), one Pr(2), and one Ru(2) atom to form distorted OSrPr2Ru tetrahedra that share corners with three equivalent O(4)SrPrFeRu tetrahedra and  a cornercorner with one O(1)SrPrMgFeRu trigonal bipyramid. In the twelfth O site, O(12) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(2), one Pr(2), one Ru(1), and one Fe(2) atom.
Sr2MgPr2Fe2(RuO6)2 crystallizes in the triclinic P1 space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(12), one O(2), one O(6), one O(7), one O(8), and one O(9) atom. The Sr(1)-O(1) bond length is 2.52 Å. The Sr(1)-O(10) bond length is 2.94 Å. The Sr(1)-O(12) bond length is 2.55 Å. The Sr(1)-O(2) bond length is 2.65 Å. The Sr(1)-O(6) bond length is 2.71 Å. The Sr(1)-O(7) bond length is 2.82 Å. The Sr(1)-O(8) bond length is 2.52 Å. The Sr(1)-O(9) bond length is 2.91 Å. In the second Sr site, Sr(2) 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(9) atom. The Sr(2)-O(11) bond length is 2.56 Å. The Sr(2)-O(12) bond length is 2.96 Å. The Sr(2)-O(3) bond length is 2.54 Å. The Sr(2)-O(4) bond length is 2.50 Å. The Sr(2)-O(5) bond length is 2.42 Å. The Sr(2)-O(6) bond length is 3.20 Å. The Sr(2)-O(7) bond length is 2.79 Å. The Sr(2)-O(9) bond length is 2.74 Å. Mg(1) is bonded to one O(1), one O(10), one O(2), one O(8), and one O(9) atom to form distorted MgO5 trigonal bipyramids that share  an edgeedge with one Ru(2)O6 octahedra,  an edgeedge with one Fe(1)O5 square pyramid,  an edgeedge with one Fe(2)O5 trigonal bipyramid, and  a faceface with one Ru(1)O6 octahedra. The Mg(1)-O(1) bond length is 2.04 Å. The Mg(1)-O(10) bond length is 1.97 Å. The Mg(1)-O(2) bond length is 2.04 Å. The Mg(1)-O(8) bond length is 1.94 Å. The Mg(1)-O(9) bond length is 2.08 Å. There are two inequivalent Pr sites. In the first Pr site, Pr(1) is bonded in a 6-coordinate geometry to one O(1), one O(11), one O(2), one O(6), one O(7), and one O(9) atom. The Pr(1)-O(1) bond length is 2.25 Å. The Pr(1)-O(11) bond length is 2.40 Å. The Pr(1)-O(2) bond length is 2.63 Å. The Pr(1)-O(6) bond length is 2.65 Å. The Pr(1)-O(7) bond length is 2.36 Å. The Pr(1)-O(9) bond length is 2.51 Å. In the second Pr site, Pr(2) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(12), one O(3), one O(4), one O(5), one O(6), and one O(8) atom. The Pr(2)-O(10) bond length is 2.73 Å. The Pr(2)-O(11) bond length is 2.61 Å. The Pr(2)-O(12) bond length is 2.62 Å. The Pr(2)-O(3) bond length is 2.53 Å. The Pr(2)-O(4) bond length is 2.53 Å. The Pr(2)-O(5) bond length is 2.49 Å. The Pr(2)-O(6) bond length is 2.70 Å. The Pr(2)-O(8) bond length is 2.54 Å. There are two inequivalent Ru sites. In the first Ru site, Ru(1) is bonded to one O(1), one O(12), one O(3), one O(5), one O(8), and one O(9) atom to form distorted RuO6 octahedra that share corners with two equivalent Fe(1)O5 square pyramids, corners with three equivalent Fe(2)O5 trigonal bipyramids, and  a faceface with one Mg(1)O5 trigonal bipyramid. The Ru(1)-O(1) bond length is 2.10 Å. The Ru(1)-O(12) bond length is 2.02 Å. The Ru(1)-O(3) bond length is 1.94 Å. The Ru(1)-O(5) bond length is 1.99 Å. The Ru(1)-O(8) bond length is 2.16 Å. The Ru(1)-O(9) bond length is 2.09 Å. In the second Ru site, Ru(2) is bonded to one O(10), one O(11), one O(2), one O(4), one O(6), and one O(7) atom to form RuO6 octahedra that share corners with three equivalent Fe(1)O5 square pyramids, corners with two equivalent Fe(2)O5 trigonal bipyramids, and  an edgeedge with one Mg(1)O5 trigonal bipyramid. The Ru(2)-O(10) bond length is 2.02 Å. The Ru(2)-O(11) bond length is 2.06 Å. The Ru(2)-O(2) bond length is 2.17 Å. The Ru(2)-O(4) bond length is 2.00 Å. The Ru(2)-O(6) bond length is 2.06 Å. The Ru(2)-O(7) bond length is 2.11 Å. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(10), one O(3), one O(6), and one O(7) atom to form distorted FeO5 square pyramids that share corners with two equivalent Ru(1)O6 octahedra, corners with three equivalent Ru(2)O6 octahedra, and  an edgeedge with one Mg(1)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 12-41°. The Fe(1)-O(1) bond length is 2.21 Å. The Fe(1)-O(10) bond length is 2.03 Å. The Fe(1)-O(3) bond length is 1.97 Å. The Fe(1)-O(6) bond length is 2.02 Å. The Fe(1)-O(7) bond length is 2.14 Å. In the second Fe site, Fe(2) is bonded to one O(12), one O(2), one O(4), one O(5), and one O(8) atom to form FeO5 trigonal bipyramids that share corners with two equivalent Ru(2)O6 octahedra, corners with three equivalent Ru(1)O6 octahedra, and  an edgeedge with one Mg(1)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 22-56°. The Fe(2)-O(12) bond length is 2.18 Å. The Fe(2)-O(2) bond length is 2.13 Å. The Fe(2)-O(4) bond length is 2.02 Å. The Fe(2)-O(5) bond length is 2.19 Å. The Fe(2)-O(8) bond length is 2.14 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), one Mg(1), one Pr(1), one Ru(1), and one Fe(1) atom to form distorted corner-sharing OSrPrMgFeRu trigonal bipyramids. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Sr(1), one Mg(1), one Pr(1), one Ru(2), and one Fe(2) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Sr(2), one Pr(2), one Ru(1), and one Fe(1) atom. In the fourth O site, O(4) is bonded to one Sr(2), one Pr(2), one Ru(2), and one Fe(2) atom to form distorted corner-sharing OSrPrFeRu tetrahedra. In the fifth O site, O(5) is bonded in a distorted see-saw-like geometry to one Sr(2), one Pr(2), one Ru(1), and one Fe(2) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(2), one Pr(1), one Pr(2), one Ru(2), and one Fe(1) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(2), one Pr(1), one Ru(2), and one Fe(1) atom. In the eighth O site, O(8) is bonded in a 5-coordinate geometry to one Sr(1), one Mg(1), one Pr(2), one Ru(1), and one Fe(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 Pr(1), and one Ru(1) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Sr(1), one Mg(1), one Pr(2), one Ru(2), and one Fe(1) atom. In the eleventh O site, O(11) is bonded to one Sr(2), one Pr(1), one Pr(2), and one Ru(2) atom to form distorted OSrPr2Ru tetrahedra that share corners with three equivalent O(4)SrPrFeRu tetrahedra and  a cornercorner with one O(1)SrPrMgFeRu trigonal bipyramid. In the twelfth O site, O(12) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(2), one Pr(2), one Ru(1), and one Fe(2) atom.