The compound described by MgSm3Bi(Ru2O7)2 crystallizes in the monoclinic Cm space group. Mg(1) is bonded to one O(2), one O(5), and two equivalent O(6) atoms to form MgO4 tetrahedra that share  an edgeedge with one Ru(3)O6 octahedra and edges with two equivalent Ru(2)O6 octahedra. There are two inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(4), one O(6), one O(7), and one O(8) atom. In the second Sm site, Sm(2) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(5), one O(9), two equivalent O(4), and two equivalent O(8) atoms. There are three inequivalent Ru sites. In the first Ru site, Ru(1) is bonded to one O(3), one O(7), two equivalent O(4), and two equivalent O(8) atoms to form corner-sharing RuO6 octahedra. The corner-sharing octahedral tilt angles range from 50-52°. In the second Ru site, Ru(2) is bonded to one O(10), one O(4), one O(5), one O(6), one O(8), and one O(9) atom to form distorted RuO6 octahedra that share corners with two equivalent Ru(1)O6 octahedra, corners with two equivalent Ru(2)O6 octahedra, corners with two equivalent Ru(3)O6 octahedra, and  an edgeedge with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-53°. In the third Ru site, Ru(3) is bonded to one O(3), one O(7), two equivalent O(10), and two equivalent O(6) atoms to form distorted RuO6 octahedra that share corners with two equivalent Ru(1)O6 octahedra, corners with four equivalent Ru(2)O6 octahedra, and  an edgeedge with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-53°. Bi(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(5), one O(9), two equivalent O(10), and two equivalent O(6) atoms. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Sm(2), two equivalent Sm(1), and one Bi(1) atom to form OSm3Bi tetrahedra that share corners with two equivalent O(9)SmBiRu2 tetrahedra, corners with four equivalent O(10)SmBiRu2 tetrahedra, corners with four equivalent O(2)Sm3MgBi trigonal pyramids,  an edgeedge with one O(3)Sm2Ru2 tetrahedra, and edges with two equivalent O(4)Sm2Ru2 tetrahedra. In the second O site, O(2) is bonded to one Mg(1), one Sm(2), two equivalent Sm(1), and one Bi(1) atom to form distorted OSm3MgBi trigonal pyramids that share corners with two equivalent O(3)Sm2Ru2 tetrahedra, corners with four equivalent O(4)Sm2Ru2 tetrahedra, corners with four equivalent O(1)Sm3Bi tetrahedra,  an edgeedge with one O(9)SmBiRu2 tetrahedra, and edges with two equivalent O(10)SmBiRu2 tetrahedra. In the third O site, O(3) is bonded to two equivalent Sm(1), one Ru(1), and one Ru(3) atom to form distorted OSm2Ru2 tetrahedra that share corners with four equivalent O(4)Sm2Ru2 tetrahedra, corners with two equivalent O(2)Sm3MgBi trigonal pyramids,  an edgeedge with one O(1)Sm3Bi tetrahedra, and edges with two equivalent O(10)SmBiRu2 tetrahedra. In the fourth O site, O(4) is bonded to one Sm(1), one Sm(2), one Ru(1), and one Ru(2) atom to form distorted OSm2Ru2 tetrahedra that share corners with two equivalent O(3)Sm2Ru2 tetrahedra, corners with two equivalent O(4)Sm2Ru2 tetrahedra, corners with two equivalent O(2)Sm3MgBi trigonal pyramids,  an edgeedge with one O(1)Sm3Bi tetrahedra,  an edgeedge with one O(10)SmBiRu2 tetrahedra, and  an edgeedge with one O(9)SmBiRu2 tetrahedra. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Mg(1), one Sm(2), two equivalent Ru(2), and one Bi(1) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Mg(1), one Sm(1), one Ru(2), one Ru(3), and one Bi(1) atom. In the seventh O site, O(7) is bonded in a 2-coordinate geometry to two equivalent Sm(1), one Ru(1), and one Ru(3) atom. In the eighth O site, O(8) is bonded in a 2-coordinate geometry to one Sm(1), one Sm(2), one Ru(1), and one Ru(2) atom. In the ninth O site, O(9) is bonded to one Sm(2), two equivalent Ru(2), and one Bi(1) atom to form distorted OSmBiRu2 tetrahedra that share corners with two equivalent O(1)Sm3Bi tetrahedra, corners with four equivalent O(10)SmBiRu2 tetrahedra, edges with two equivalent O(4)Sm2Ru2 tetrahedra, and  an edgeedge with one O(2)Sm3MgBi trigonal pyramid. In the tenth O site, O(10) is bonded to one Sm(1), one Ru(2), one Ru(3), and one Bi(1) atom to form distorted OSmBiRu2 tetrahedra that share corners with two equivalent O(1)Sm3Bi tetrahedra, corners with two equivalent O(10)SmBiRu2 tetrahedra, corners with two equivalent O(9)SmBiRu2 tetrahedra,  an edgeedge with one O(3)Sm2Ru2 tetrahedra,  an edgeedge with one O(4)Sm2Ru2 tetrahedra, and  an edgeedge with one O(2)Sm3MgBi trigonal pyramid. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sm3MgBi(Ru2O7)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.465
_cell_length_b   7.463
_cell_length_c   7.343
_cell_angle_alpha   89.996
_cell_angle_beta   59.444
_cell_angle_gamma   119.998
_symmetry_Int_Tables_number   1
_cell_volume   286.848
_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
  Sm  Sm0  1  0.236  0.356  0.409  1.0
  Sm  Sm1  1  0.235  0.880  0.409  1.0
  Sm  Sm2  1  0.712  0.356  0.408  1.0
  Mg  Mg3  1  0.281  0.641  0.078  1.0
  Bi  Bi4  1  0.741  0.370  0.887  1.0
  Ru  Ru5  1  0.755  0.878  0.367  1.0
  Ru  Ru6  1  0.240  0.882  0.877  1.0
  Ru  Ru7  1  0.241  0.359  0.877  1.0
  Ru  Ru8  1  0.764  0.882  0.877  1.0
  O  O9  1  0.503  0.252  0.245  1.0
  O  O10  1  0.057  0.528  0.415  1.0
  O  O11  1  0.927  0.964  0.539  1.0
  O  O12  1  0.497  0.534  0.539  1.0
  O  O13  1  0.497  0.964  0.539  1.0
  O  O14  1  0.069  0.535  0.969  1.0
  O  O15  1  0.497  0.963  0.969  1.0
  O  O16  1  0.497  0.535  0.969  1.0
  O  O17  1  0.596  0.798  0.205  1.0
  O  O18  1  0.997  0.199  0.205  1.0
  O  O19  1  0.997  0.798  0.205  1.0
  O  O20  1  0.410  0.205  0.799  1.0
  O  O21  1  0.996  0.792  0.800  1.0
  O  O22  1  0.996  0.205  0.799  1.0
[/CIF]
.
The compound described by MgSm3Bi(Ru2O7)2 crystallizes in the monoclinic Cm space group. Mg(1) is bonded to one O(2), one O(5), and two equivalent O(6) atoms to form MgO4 tetrahedra that share  an edgeedge with one Ru(3)O6 octahedra and edges with two equivalent Ru(2)O6 octahedra. There are two inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(4), one O(6), one O(7), and one O(8) atom. In the second Sm site, Sm(2) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(5), one O(9), two equivalent O(4), and two equivalent O(8) atoms. There are three inequivalent Ru sites. In the first Ru site, Ru(1) is bonded to one O(3), one O(7), two equivalent O(4), and two equivalent O(8) atoms to form corner-sharing RuO6 octahedra. The corner-sharing octahedral tilt angles range from 50-52°. In the second Ru site, Ru(2) is bonded to one O(10), one O(4), one O(5), one O(6), one O(8), and one O(9) atom to form distorted RuO6 octahedra that share corners with two equivalent Ru(1)O6 octahedra, corners with two equivalent Ru(2)O6 octahedra, corners with two equivalent Ru(3)O6 octahedra, and  an edgeedge with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-53°. In the third Ru site, Ru(3) is bonded to one O(3), one O(7), two equivalent O(10), and two equivalent O(6) atoms to form distorted RuO6 octahedra that share corners with two equivalent Ru(1)O6 octahedra, corners with four equivalent Ru(2)O6 octahedra, and  an edgeedge with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-53°. Bi(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(5), one O(9), two equivalent O(10), and two equivalent O(6) atoms. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Sm(2), two equivalent Sm(1), and one Bi(1) atom to form OSm3Bi tetrahedra that share corners with two equivalent O(9)SmBiRu2 tetrahedra, corners with four equivalent O(10)SmBiRu2 tetrahedra, corners with four equivalent O(2)Sm3MgBi trigonal pyramids,  an edgeedge with one O(3)Sm2Ru2 tetrahedra, and edges with two equivalent O(4)Sm2Ru2 tetrahedra. In the second O site, O(2) is bonded to one Mg(1), one Sm(2), two equivalent Sm(1), and one Bi(1) atom to form distorted OSm3MgBi trigonal pyramids that share corners with two equivalent O(3)Sm2Ru2 tetrahedra, corners with four equivalent O(4)Sm2Ru2 tetrahedra, corners with four equivalent O(1)Sm3Bi tetrahedra,  an edgeedge with one O(9)SmBiRu2 tetrahedra, and edges with two equivalent O(10)SmBiRu2 tetrahedra. In the third O site, O(3) is bonded to two equivalent Sm(1), one Ru(1), and one Ru(3) atom to form distorted OSm2Ru2 tetrahedra that share corners with four equivalent O(4)Sm2Ru2 tetrahedra, corners with two equivalent O(2)Sm3MgBi trigonal pyramids,  an edgeedge with one O(1)Sm3Bi tetrahedra, and edges with two equivalent O(10)SmBiRu2 tetrahedra. In the fourth O site, O(4) is bonded to one Sm(1), one Sm(2), one Ru(1), and one Ru(2) atom to form distorted OSm2Ru2 tetrahedra that share corners with two equivalent O(3)Sm2Ru2 tetrahedra, corners with two equivalent O(4)Sm2Ru2 tetrahedra, corners with two equivalent O(2)Sm3MgBi trigonal pyramids,  an edgeedge with one O(1)Sm3Bi tetrahedra,  an edgeedge with one O(10)SmBiRu2 tetrahedra, and  an edgeedge with one O(9)SmBiRu2 tetrahedra. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Mg(1), one Sm(2), two equivalent Ru(2), and one Bi(1) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Mg(1), one Sm(1), one Ru(2), one Ru(3), and one Bi(1) atom. In the seventh O site, O(7) is bonded in a 2-coordinate geometry to two equivalent Sm(1), one Ru(1), and one Ru(3) atom. In the eighth O site, O(8) is bonded in a 2-coordinate geometry to one Sm(1), one Sm(2), one Ru(1), and one Ru(2) atom. In the ninth O site, O(9) is bonded to one Sm(2), two equivalent Ru(2), and one Bi(1) atom to form distorted OSmBiRu2 tetrahedra that share corners with two equivalent O(1)Sm3Bi tetrahedra, corners with four equivalent O(10)SmBiRu2 tetrahedra, edges with two equivalent O(4)Sm2Ru2 tetrahedra, and  an edgeedge with one O(2)Sm3MgBi trigonal pyramid. In the tenth O site, O(10) is bonded to one Sm(1), one Ru(2), one Ru(3), and one Bi(1) atom to form distorted OSmBiRu2 tetrahedra that share corners with two equivalent O(1)Sm3Bi tetrahedra, corners with two equivalent O(10)SmBiRu2 tetrahedra, corners with two equivalent O(9)SmBiRu2 tetrahedra,  an edgeedge with one O(3)Sm2Ru2 tetrahedra,  an edgeedge with one O(4)Sm2Ru2 tetrahedra, and  an edgeedge with one O(2)Sm3MgBi trigonal pyramid. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sm3MgBi(Ru2O7)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.465
_cell_length_b   7.463
_cell_length_c   7.343
_cell_angle_alpha   89.996
_cell_angle_beta   59.444
_cell_angle_gamma   119.998
_symmetry_Int_Tables_number   1
_cell_volume   286.848
_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
  Sm  Sm0  1  0.236  0.356  0.409  1.0
  Sm  Sm1  1  0.235  0.880  0.409  1.0
  Sm  Sm2  1  0.712  0.356  0.408  1.0
  Mg  Mg3  1  0.281  0.641  0.078  1.0
  Bi  Bi4  1  0.741  0.370  0.887  1.0
  Ru  Ru5  1  0.755  0.878  0.367  1.0
  Ru  Ru6  1  0.240  0.882  0.877  1.0
  Ru  Ru7  1  0.241  0.359  0.877  1.0
  Ru  Ru8  1  0.764  0.882  0.877  1.0
  O  O9  1  0.503  0.252  0.245  1.0
  O  O10  1  0.057  0.528  0.415  1.0
  O  O11  1  0.927  0.964  0.539  1.0
  O  O12  1  0.497  0.534  0.539  1.0
  O  O13  1  0.497  0.964  0.539  1.0
  O  O14  1  0.069  0.535  0.969  1.0
  O  O15  1  0.497  0.963  0.969  1.0
  O  O16  1  0.497  0.535  0.969  1.0
  O  O17  1  0.596  0.798  0.205  1.0
  O  O18  1  0.997  0.199  0.205  1.0
  O  O19  1  0.997  0.798  0.205  1.0
  O  O20  1  0.410  0.205  0.799  1.0
  O  O21  1  0.996  0.792  0.800  1.0
  O  O22  1  0.996  0.205  0.799  1.0
[/CIF]
.