The structure described by YBi3(Ru2O7)2 crystallizes in the trigonal R-3m space group. Y(1) is bonded to two equivalent O(1) and six equivalent O(3) atoms to form distorted YO8 hexagonal bipyramids that share edges with six equivalent Bi(1)O8 hexagonal bipyramids and edges with six equivalent Ru(2)O6 octahedra. There are two inequivalent Ru sites. In the first Ru site, Ru(1) is bonded to six equivalent O(2) atoms to form RuO6 octahedra that share corners with six equivalent Ru(2)O6 octahedra and edges with six equivalent Bi(1)O8 hexagonal bipyramids. The corner-sharing octahedral tilt angles are 48°. In the second Ru site, Ru(2) is bonded to two equivalent O(2) and four equivalent O(3) atoms to form RuO6 octahedra that share corners with two equivalent Ru(1)O6 octahedra, corners with four equivalent Ru(2)O6 octahedra, edges with two equivalent Y(1)O8 hexagonal bipyramids, and edges with four equivalent Bi(1)O8 hexagonal bipyramids. The corner-sharing octahedral tilt angles range from 48-49°. Bi(1) is bonded to two equivalent O(1), two equivalent O(3), and four equivalent O(2) atoms to form distorted BiO8 hexagonal bipyramids that share edges with two equivalent Y(1)O8 hexagonal bipyramids, edges with four equivalent Bi(1)O8 hexagonal bipyramids, edges with two equivalent Ru(1)O6 octahedra, and edges with four equivalent Ru(2)O6 octahedra. There are three inequivalent O sites. In the first O site, O(1) is bonded to one Y(1) and three equivalent Bi(1) atoms to form OYBi3 tetrahedra that share corners with four equivalent O(1)YBi3 tetrahedra, corners with six equivalent O(2)Bi2Ru2 tetrahedra, corners with six equivalent O(3)YBiRu2 tetrahedra, edges with three equivalent O(2)Bi2Ru2 tetrahedra, and edges with three equivalent O(3)YBiRu2 tetrahedra. In the second O site, O(2) is bonded to one Ru(1), one Ru(2), and two equivalent Bi(1) atoms to form distorted OBi2Ru2 tetrahedra that share corners with two equivalent O(1)YBi3 tetrahedra, corners with four equivalent O(3)YBiRu2 tetrahedra, corners with eight equivalent O(2)Bi2Ru2 tetrahedra,  an edgeedge with one O(1)YBi3 tetrahedra, edges with two equivalent O(2)Bi2Ru2 tetrahedra, and edges with two equivalent O(3)YBiRu2 tetrahedra. In the third O site, O(3) is bonded to one Y(1), two equivalent Ru(2), and one Bi(1) atom to form distorted OYBiRu2 tetrahedra that share corners with two equivalent O(1)YBi3 tetrahedra, corners with four equivalent O(2)Bi2Ru2 tetrahedra, corners with eight equivalent O(3)YBiRu2 tetrahedra,  an edgeedge with one O(1)YBi3 tetrahedra, edges with two equivalent O(2)Bi2Ru2 tetrahedra, and edges with two equivalent O(3)YBiRu2 tetrahedra. is represented by the CIF file [CIF]
data_YBi3(Ru2O7)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.351
_cell_length_b   7.351
_cell_length_c   7.351
_cell_angle_alpha   59.604
_cell_angle_beta   59.604
_cell_angle_gamma   59.604
_symmetry_Int_Tables_number   1
_cell_volume   278.313
_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
  Y  Y0  1  0.500  0.500  0.500  1.0
  Bi  Bi1  1  0.500  0.000  0.500  1.0
  Bi  Bi2  1  0.000  0.500  0.500  1.0
  Bi  Bi3  1  0.500  0.500  0.000  1.0
  Ru  Ru4  1  0.000  0.000  0.000  1.0
  Ru  Ru5  1  0.000  0.500  0.000  1.0
  Ru  Ru6  1  0.500  0.000  0.000  1.0
  Ru  Ru7  1  0.000  0.000  0.500  1.0
  O  O8  1  0.620  0.620  0.620  1.0
  O  O9  1  0.380  0.380  0.380  1.0
  O  O10  1  0.920  0.920  0.329  1.0
  O  O11  1  0.329  0.920  0.920  1.0
  O  O12  1  0.920  0.329  0.920  1.0
  O  O13  1  0.330  0.330  0.922  1.0
  O  O14  1  0.922  0.330  0.330  1.0
  O  O15  1  0.330  0.922  0.330  1.0
  O  O16  1  0.080  0.080  0.671  1.0
  O  O17  1  0.671  0.080  0.080  1.0
  O  O18  1  0.080  0.671  0.080  1.0
  O  O19  1  0.670  0.670  0.078  1.0
  O  O20  1  0.078  0.670  0.670  1.0
  O  O21  1  0.670  0.078  0.670  1.0
[/CIF]
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The structure described by YBi3(Ru2O7)2 crystallizes in the trigonal R-3m space group. Y(1) is bonded to two equivalent O(1) and six equivalent O(3) atoms to form distorted YO8 hexagonal bipyramids that share edges with six equivalent Bi(1)O8 hexagonal bipyramids and edges with six equivalent Ru(2)O6 octahedra. There are two inequivalent Ru sites. In the first Ru site, Ru(1) is bonded to six equivalent O(2) atoms to form RuO6 octahedra that share corners with six equivalent Ru(2)O6 octahedra and edges with six equivalent Bi(1)O8 hexagonal bipyramids. The corner-sharing octahedral tilt angles are 48°. In the second Ru site, Ru(2) is bonded to two equivalent O(2) and four equivalent O(3) atoms to form RuO6 octahedra that share corners with two equivalent Ru(1)O6 octahedra, corners with four equivalent Ru(2)O6 octahedra, edges with two equivalent Y(1)O8 hexagonal bipyramids, and edges with four equivalent Bi(1)O8 hexagonal bipyramids. The corner-sharing octahedral tilt angles range from 48-49°. Bi(1) is bonded to two equivalent O(1), two equivalent O(3), and four equivalent O(2) atoms to form distorted BiO8 hexagonal bipyramids that share edges with two equivalent Y(1)O8 hexagonal bipyramids, edges with four equivalent Bi(1)O8 hexagonal bipyramids, edges with two equivalent Ru(1)O6 octahedra, and edges with four equivalent Ru(2)O6 octahedra. There are three inequivalent O sites. In the first O site, O(1) is bonded to one Y(1) and three equivalent Bi(1) atoms to form OYBi3 tetrahedra that share corners with four equivalent O(1)YBi3 tetrahedra, corners with six equivalent O(2)Bi2Ru2 tetrahedra, corners with six equivalent O(3)YBiRu2 tetrahedra, edges with three equivalent O(2)Bi2Ru2 tetrahedra, and edges with three equivalent O(3)YBiRu2 tetrahedra. In the second O site, O(2) is bonded to one Ru(1), one Ru(2), and two equivalent Bi(1) atoms to form distorted OBi2Ru2 tetrahedra that share corners with two equivalent O(1)YBi3 tetrahedra, corners with four equivalent O(3)YBiRu2 tetrahedra, corners with eight equivalent O(2)Bi2Ru2 tetrahedra,  an edgeedge with one O(1)YBi3 tetrahedra, edges with two equivalent O(2)Bi2Ru2 tetrahedra, and edges with two equivalent O(3)YBiRu2 tetrahedra. In the third O site, O(3) is bonded to one Y(1), two equivalent Ru(2), and one Bi(1) atom to form distorted OYBiRu2 tetrahedra that share corners with two equivalent O(1)YBi3 tetrahedra, corners with four equivalent O(2)Bi2Ru2 tetrahedra, corners with eight equivalent O(3)YBiRu2 tetrahedra,  an edgeedge with one O(1)YBi3 tetrahedra, edges with two equivalent O(2)Bi2Ru2 tetrahedra, and edges with two equivalent O(3)YBiRu2 tetrahedra. is represented by the CIF file [CIF]
data_YBi3(Ru2O7)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.351
_cell_length_b   7.351
_cell_length_c   7.351
_cell_angle_alpha   59.604
_cell_angle_beta   59.604
_cell_angle_gamma   59.604
_symmetry_Int_Tables_number   1
_cell_volume   278.313
_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
  Y  Y0  1  0.500  0.500  0.500  1.0
  Bi  Bi1  1  0.500  0.000  0.500  1.0
  Bi  Bi2  1  0.000  0.500  0.500  1.0
  Bi  Bi3  1  0.500  0.500  0.000  1.0
  Ru  Ru4  1  0.000  0.000  0.000  1.0
  Ru  Ru5  1  0.000  0.500  0.000  1.0
  Ru  Ru6  1  0.500  0.000  0.000  1.0
  Ru  Ru7  1  0.000  0.000  0.500  1.0
  O  O8  1  0.620  0.620  0.620  1.0
  O  O9  1  0.380  0.380  0.380  1.0
  O  O10  1  0.920  0.920  0.329  1.0
  O  O11  1  0.329  0.920  0.920  1.0
  O  O12  1  0.920  0.329  0.920  1.0
  O  O13  1  0.330  0.330  0.922  1.0
  O  O14  1  0.922  0.330  0.330  1.0
  O  O15  1  0.330  0.922  0.330  1.0
  O  O16  1  0.080  0.080  0.671  1.0
  O  O17  1  0.671  0.080  0.080  1.0
  O  O18  1  0.080  0.671  0.080  1.0
  O  O19  1  0.670  0.670  0.078  1.0
  O  O20  1  0.078  0.670  0.670  1.0
  O  O21  1  0.670  0.078  0.670  1.0
[/CIF]
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