The material 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 6-coordinate geometry to one O(1), one O(10), one O(12), one O(2), one O(7), one O(8), and one O(9) atom. In the second Sr site, Sr(2) is bonded in a 7-coordinate geometry to one O(11), one O(12), one O(4), one O(5), one O(6), and two equivalent O(3) atoms. Mg(1) is bonded to one O(10), one O(11), one O(4), one O(6), and one O(7) atom to form distorted MgO5 trigonal bipyramids that share  an edgeedge with one Ru(2)O6 octahedra, edges with two equivalent Fe(1)O5 trigonal bipyramids, and  a faceface with one Ru(2)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(10), one O(2), one O(7), one O(8), and one O(9) atom. In the second Pr site, Pr(2) is bonded in a 6-coordinate geometry to one O(11), one O(12), one O(3), one O(4), one O(5), 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 RuO6 octahedra that share  a cornercorner with one Fe(1)O5 trigonal bipyramid and corners with four equivalent Fe(2)O5 trigonal bipyramids. 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  a cornercorner with one Fe(2)O5 trigonal bipyramid, corners with four equivalent Fe(1)O5 trigonal bipyramids,  an edgeedge with one Mg(1)O5 trigonal bipyramid, and  a faceface 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(11), one O(6), and one O(7) atom to form distorted FeO5 trigonal bipyramids that share  a cornercorner with one Ru(1)O6 octahedra, corners with four equivalent Ru(2)O6 octahedra, and edges with two equivalent Mg(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 29-62°. In the second Fe site, Fe(2) is bonded to one O(12), one O(2), one O(5), one O(8), and one O(9) atom to form distorted FeO5 trigonal bipyramids that share  a cornercorner with one Ru(2)O6 octahedra and corners with four equivalent Ru(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 22-40°. 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 Pr(1), one Ru(1), and one Fe(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Sr(1), one Pr(1), one Ru(2), and one Fe(2) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to two equivalent Sr(2), one Pr(2), and one Ru(1) atom. In the fourth O site, O(4) is bonded in a distorted see-saw-like geometry to one Sr(2), one Mg(1), one Pr(2), and one Ru(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate 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 distorted see-saw-like geometry to one Sr(2), one Mg(1), one Ru(2), and one Fe(1) atom. In the seventh O site, O(7) is bonded to one Sr(1), one Mg(1), one Pr(1), one Ru(2), and one Fe(1) atom to form distorted OSrPrMgFeRu square pyramids that share corners with two equivalent O(8)SrPr2FeRu trigonal bipyramids,  an edgeedge with one O(10)SrPrMgFeRu trigonal bipyramid, and  a faceface with one O(10)SrPrMgFeRu trigonal bipyramid. In the eighth O site, O(8) is bonded to one Sr(1), one Pr(1), one Pr(2), one Ru(1), and one Fe(2) atom to form a mixture of corner and edge-sharing OSrPr2FeRu trigonal bipyramids. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Sr(1), one Pr(1), one Ru(1), and one Fe(2) atom. In the tenth O site, O(10) is bonded to one Sr(1), one Mg(1), one Pr(1), one Ru(2), and one Fe(1) atom to form distorted OSrPrMgFeRu trigonal bipyramids that share  an edgeedge with one O(7)SrPrMgFeRu square pyramid,  an edgeedge with one O(8)SrPr2FeRu trigonal bipyramid, and  a faceface with one O(7)SrPrMgFeRu square pyramid. In the eleventh O site, O(11) is bonded in a 5-coordinate geometry to one Sr(2), one Mg(1), one Pr(2), one Ru(2), and one Fe(1) atom. 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   5.682
_cell_length_b   5.471
_cell_length_c   9.199
_cell_angle_alpha   93.138
_cell_angle_beta   92.331
_cell_angle_gamma   89.933
_symmetry_Int_Tables_number   1
_cell_volume   285.316
_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  0.533  0.512  0.714  1.0
  Sr  Sr1  1  0.951  0.046  0.246  1.0
  Pr  Pr2  1  0.031  0.954  0.745  1.0
  Pr  Pr3  1  0.421  0.534  0.336  1.0
  Mg  Mg4  1  0.553  0.549  0.031  1.0
  Fe  Fe5  1  0.043  0.470  0.961  1.0
  Fe  Fe6  1  0.491  0.021  0.525  1.0
  Ru  Ru7  1  0.980  0.494  0.508  1.0
  Ru  Ru8  1  0.517  0.015  0.981  1.0
  O  O9  1  0.977  0.385  0.718  1.0
  O  O10  1  0.451  0.099  0.780  1.0
  O  O11  1  0.998  0.589  0.308  1.0
  O  O12  1  0.540  0.845  0.174  1.0
  O  O13  1  0.214  0.217  0.458  1.0
  O  O14  1  0.776  0.268  0.028  1.0
  O  O15  1  0.764  0.758  0.912  1.0
  O  O16  1  0.260  0.729  0.560  1.0
  O  O17  1  0.755  0.781  0.557  1.0
  O  O18  1  0.284  0.720  0.915  1.0
  O  O19  1  0.310  0.299  0.088  1.0
  O  O20  1  0.697  0.275  0.446  1.0
[/CIF]
.
The material 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 6-coordinate geometry to one O(1), one O(10), one O(12), one O(2), one O(7), one O(8), and one O(9) atom. In the second Sr site, Sr(2) is bonded in a 7-coordinate geometry to one O(11), one O(12), one O(4), one O(5), one O(6), and two equivalent O(3) atoms. Mg(1) is bonded to one O(10), one O(11), one O(4), one O(6), and one O(7) atom to form distorted MgO5 trigonal bipyramids that share  an edgeedge with one Ru(2)O6 octahedra, edges with two equivalent Fe(1)O5 trigonal bipyramids, and  a faceface with one Ru(2)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(10), one O(2), one O(7), one O(8), and one O(9) atom. In the second Pr site, Pr(2) is bonded in a 6-coordinate geometry to one O(11), one O(12), one O(3), one O(4), one O(5), 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 RuO6 octahedra that share  a cornercorner with one Fe(1)O5 trigonal bipyramid and corners with four equivalent Fe(2)O5 trigonal bipyramids. 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  a cornercorner with one Fe(2)O5 trigonal bipyramid, corners with four equivalent Fe(1)O5 trigonal bipyramids,  an edgeedge with one Mg(1)O5 trigonal bipyramid, and  a faceface 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(11), one O(6), and one O(7) atom to form distorted FeO5 trigonal bipyramids that share  a cornercorner with one Ru(1)O6 octahedra, corners with four equivalent Ru(2)O6 octahedra, and edges with two equivalent Mg(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 29-62°. In the second Fe site, Fe(2) is bonded to one O(12), one O(2), one O(5), one O(8), and one O(9) atom to form distorted FeO5 trigonal bipyramids that share  a cornercorner with one Ru(2)O6 octahedra and corners with four equivalent Ru(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 22-40°. 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 Pr(1), one Ru(1), and one Fe(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Sr(1), one Pr(1), one Ru(2), and one Fe(2) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to two equivalent Sr(2), one Pr(2), and one Ru(1) atom. In the fourth O site, O(4) is bonded in a distorted see-saw-like geometry to one Sr(2), one Mg(1), one Pr(2), and one Ru(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate 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 distorted see-saw-like geometry to one Sr(2), one Mg(1), one Ru(2), and one Fe(1) atom. In the seventh O site, O(7) is bonded to one Sr(1), one Mg(1), one Pr(1), one Ru(2), and one Fe(1) atom to form distorted OSrPrMgFeRu square pyramids that share corners with two equivalent O(8)SrPr2FeRu trigonal bipyramids,  an edgeedge with one O(10)SrPrMgFeRu trigonal bipyramid, and  a faceface with one O(10)SrPrMgFeRu trigonal bipyramid. In the eighth O site, O(8) is bonded to one Sr(1), one Pr(1), one Pr(2), one Ru(1), and one Fe(2) atom to form a mixture of corner and edge-sharing OSrPr2FeRu trigonal bipyramids. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Sr(1), one Pr(1), one Ru(1), and one Fe(2) atom. In the tenth O site, O(10) is bonded to one Sr(1), one Mg(1), one Pr(1), one Ru(2), and one Fe(1) atom to form distorted OSrPrMgFeRu trigonal bipyramids that share  an edgeedge with one O(7)SrPrMgFeRu square pyramid,  an edgeedge with one O(8)SrPr2FeRu trigonal bipyramid, and  a faceface with one O(7)SrPrMgFeRu square pyramid. In the eleventh O site, O(11) is bonded in a 5-coordinate geometry to one Sr(2), one Mg(1), one Pr(2), one Ru(2), and one Fe(1) atom. 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   5.682
_cell_length_b   5.471
_cell_length_c   9.199
_cell_angle_alpha   93.138
_cell_angle_beta   92.331
_cell_angle_gamma   89.933
_symmetry_Int_Tables_number   1
_cell_volume   285.316
_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  0.533  0.512  0.714  1.0
  Sr  Sr1  1  0.951  0.046  0.246  1.0
  Pr  Pr2  1  0.031  0.954  0.745  1.0
  Pr  Pr3  1  0.421  0.534  0.336  1.0
  Mg  Mg4  1  0.553  0.549  0.031  1.0
  Fe  Fe5  1  0.043  0.470  0.961  1.0
  Fe  Fe6  1  0.491  0.021  0.525  1.0
  Ru  Ru7  1  0.980  0.494  0.508  1.0
  Ru  Ru8  1  0.517  0.015  0.981  1.0
  O  O9  1  0.977  0.385  0.718  1.0
  O  O10  1  0.451  0.099  0.780  1.0
  O  O11  1  0.998  0.589  0.308  1.0
  O  O12  1  0.540  0.845  0.174  1.0
  O  O13  1  0.214  0.217  0.458  1.0
  O  O14  1  0.776  0.268  0.028  1.0
  O  O15  1  0.764  0.758  0.912  1.0
  O  O16  1  0.260  0.729  0.560  1.0
  O  O17  1  0.755  0.781  0.557  1.0
  O  O18  1  0.284  0.720  0.915  1.0
  O  O19  1  0.310  0.299  0.088  1.0
  O  O20  1  0.697  0.275  0.446  1.0
[/CIF]
.