The compound described by 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. is represented by the CIF file [CIF]
data_Sr2Pr2MgFe2(RuO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.821
_cell_length_b   6.091
_cell_length_c   7.957
_cell_angle_alpha   91.239
_cell_angle_beta   90.407
_cell_angle_gamma   97.816
_symmetry_Int_Tables_number   1
_cell_volume   279.425
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Sr  Sr0  1  0.580  0.463  0.732  1.0
  Sr  Sr1  1  0.950  0.978  0.272  1.0
  Pr  Pr2  1  0.966  0.076  0.813  1.0
  Pr  Pr3  1  0.444  0.484  0.237  1.0
  Mg  Mg4  1  0.214  0.732  0.725  1.0
  Fe  Fe5  1  0.966  0.532  0.012  1.0
  Fe  Fe6  1  0.456  0.011  0.482  1.0
  Ru  Ru7  1  0.021  0.489  0.486  1.0
  Ru  Ru8  1  0.486  0.982  0.005  1.0
  O  O9  1  0.008  0.436  0.746  1.0
  O  O10  1  0.401  0.040  0.746  1.0
  O  O11  1  0.035  0.581  0.254  1.0
  O  O12  1  0.518  0.903  0.247  1.0
  O  O13  1  0.207  0.244  0.438  1.0
  O  O14  1  0.703  0.278  0.020  1.0
  O  O15  1  0.760  0.792  0.971  1.0
  O  O16  1  0.367  0.663  0.518  1.0
  O  O17  1  0.929  0.787  0.581  1.0
  O  O18  1  0.290  0.686  0.962  1.0
  O  O19  1  0.221  0.168  0.051  1.0
  O  O20  1  0.705  0.308  0.452  1.0
[/CIF]
.
The compound described by 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. is represented by the CIF file [CIF]
data_Sr2Pr2MgFe2(RuO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.821
_cell_length_b   6.091
_cell_length_c   7.957
_cell_angle_alpha   91.239
_cell_angle_beta   90.407
_cell_angle_gamma   97.816
_symmetry_Int_Tables_number   1
_cell_volume   279.425
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Sr  Sr0  1  0.580  0.463  0.732  1.0
  Sr  Sr1  1  0.950  0.978  0.272  1.0
  Pr  Pr2  1  0.966  0.076  0.813  1.0
  Pr  Pr3  1  0.444  0.484  0.237  1.0
  Mg  Mg4  1  0.214  0.732  0.725  1.0
  Fe  Fe5  1  0.966  0.532  0.012  1.0
  Fe  Fe6  1  0.456  0.011  0.482  1.0
  Ru  Ru7  1  0.021  0.489  0.486  1.0
  Ru  Ru8  1  0.486  0.982  0.005  1.0
  O  O9  1  0.008  0.436  0.746  1.0
  O  O10  1  0.401  0.040  0.746  1.0
  O  O11  1  0.035  0.581  0.254  1.0
  O  O12  1  0.518  0.903  0.247  1.0
  O  O13  1  0.207  0.244  0.438  1.0
  O  O14  1  0.703  0.278  0.020  1.0
  O  O15  1  0.760  0.792  0.971  1.0
  O  O16  1  0.367  0.663  0.518  1.0
  O  O17  1  0.929  0.787  0.581  1.0
  O  O18  1  0.290  0.686  0.962  1.0
  O  O19  1  0.221  0.168  0.051  1.0
  O  O20  1  0.705  0.308  0.452  1.0
[/CIF]
.