The structure described by Bi2Pt2O7 crystallizes in the cubic Fd-3m space group. Pt(1) is bonded to six equivalent O(2) atoms to form corner-sharing PtO6 octahedra. The corner-sharing octahedral tilt angles are 50°. Bi(1) is bonded in a distorted body-centered cubic geometry to two equivalent O(1) and six equivalent O(2) atoms. There are two inequivalent O sites. In the first O site, O(1) is bonded to four equivalent Bi(1) atoms to form OBi4 tetrahedra that share corners with four equivalent O(1)Bi4 tetrahedra, corners with twelve equivalent O(2)Bi2Pt2 tetrahedra, and edges with six equivalent O(2)Bi2Pt2 tetrahedra. In the second O site, O(2) is bonded to two equivalent Pt(1) and two equivalent Bi(1) atoms to form distorted OBi2Pt2 tetrahedra that share corners with two equivalent O(1)Bi4 tetrahedra, corners with twelve equivalent O(2)Bi2Pt2 tetrahedra,  an edgeedge with one O(1)Bi4 tetrahedra, and edges with four equivalent O(2)Bi2Pt2 tetrahedra. is represented by the CIF card [CIF]
data_Bi2Pt2O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.372
_cell_length_b   7.372
_cell_length_c   7.372
_cell_angle_alpha   60.000
_cell_angle_beta   60.000
_cell_angle_gamma   60.000
_symmetry_Int_Tables_number   1
_cell_volume   283.283
_cell_formula_units_Z   2
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
  Bi  Bi0  1  0.125  0.125  0.625  1.0
  Bi  Bi1  1  0.125  0.625  0.125  1.0
  Bi  Bi2  1  0.625  0.125  0.125  1.0
  Bi  Bi3  1  0.125  0.125  0.125  1.0
  Pt  Pt4  1  0.625  0.625  0.125  1.0
  Pt  Pt5  1  0.625  0.125  0.625  1.0
  Pt  Pt6  1  0.125  0.625  0.625  1.0
  Pt  Pt7  1  0.625  0.625  0.625  1.0
  O  O8  1  0.250  0.250  0.250  1.0
  O  O9  1  0.000  0.000  0.000  1.0
  O  O10  1  0.542  0.958  0.542  1.0
  O  O11  1  0.292  0.708  0.292  1.0
  O  O12  1  0.542  0.542  0.958  1.0
  O  O13  1  0.958  0.542  0.542  1.0
  O  O14  1  0.542  0.958  0.958  1.0
  O  O15  1  0.958  0.958  0.542  1.0
  O  O16  1  0.958  0.542  0.958  1.0
  O  O17  1  0.708  0.292  0.292  1.0
  O  O18  1  0.292  0.708  0.708  1.0
  O  O19  1  0.708  0.292  0.708  1.0
  O  O20  1  0.292  0.292  0.708  1.0
  O  O21  1  0.708  0.708  0.292  1.0
[/CIF]
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The structure described by Bi2Pt2O7 crystallizes in the cubic Fd-3m space group. Pt(1) is bonded to six equivalent O(2) atoms to form corner-sharing PtO6 octahedra. The corner-sharing octahedral tilt angles are 50°. Bi(1) is bonded in a distorted body-centered cubic geometry to two equivalent O(1) and six equivalent O(2) atoms. There are two inequivalent O sites. In the first O site, O(1) is bonded to four equivalent Bi(1) atoms to form OBi4 tetrahedra that share corners with four equivalent O(1)Bi4 tetrahedra, corners with twelve equivalent O(2)Bi2Pt2 tetrahedra, and edges with six equivalent O(2)Bi2Pt2 tetrahedra. In the second O site, O(2) is bonded to two equivalent Pt(1) and two equivalent Bi(1) atoms to form distorted OBi2Pt2 tetrahedra that share corners with two equivalent O(1)Bi4 tetrahedra, corners with twelve equivalent O(2)Bi2Pt2 tetrahedra,  an edgeedge with one O(1)Bi4 tetrahedra, and edges with four equivalent O(2)Bi2Pt2 tetrahedra. is represented by the CIF card [CIF]
data_Bi2Pt2O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.372
_cell_length_b   7.372
_cell_length_c   7.372
_cell_angle_alpha   60.000
_cell_angle_beta   60.000
_cell_angle_gamma   60.000
_symmetry_Int_Tables_number   1
_cell_volume   283.283
_cell_formula_units_Z   2
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
  Bi  Bi0  1  0.125  0.125  0.625  1.0
  Bi  Bi1  1  0.125  0.625  0.125  1.0
  Bi  Bi2  1  0.625  0.125  0.125  1.0
  Bi  Bi3  1  0.125  0.125  0.125  1.0
  Pt  Pt4  1  0.625  0.625  0.125  1.0
  Pt  Pt5  1  0.625  0.125  0.625  1.0
  Pt  Pt6  1  0.125  0.625  0.625  1.0
  Pt  Pt7  1  0.625  0.625  0.625  1.0
  O  O8  1  0.250  0.250  0.250  1.0
  O  O9  1  0.000  0.000  0.000  1.0
  O  O10  1  0.542  0.958  0.542  1.0
  O  O11  1  0.292  0.708  0.292  1.0
  O  O12  1  0.542  0.542  0.958  1.0
  O  O13  1  0.958  0.542  0.542  1.0
  O  O14  1  0.542  0.958  0.958  1.0
  O  O15  1  0.958  0.958  0.542  1.0
  O  O16  1  0.958  0.542  0.958  1.0
  O  O17  1  0.708  0.292  0.292  1.0
  O  O18  1  0.292  0.708  0.708  1.0
  O  O19  1  0.708  0.292  0.708  1.0
  O  O20  1  0.292  0.292  0.708  1.0
  O  O21  1  0.708  0.708  0.292  1.0
[/CIF]
.