data_[Ta4Pb4O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ta  1.5000  1.4500  0.8200
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.0755]
_cell_length_b [8.4014]
_cell_length_c [5.5439]
_cell_angle_alpha [90.0000]
_cell_angle_beta [96.3924]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ta2Pb2O7]
_chemical_formula_sum '[Ta4 Pb4 O14]'
_cell_volume [373.7933]
_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
[
  Ta  Ta0  4  0.2387  0.0000  0.4693  1.0
  Pb  Pb1  4  0.0000  0.2791  0.0000  1.0
  O  O2  8  0.2200  0.3282  0.7212  1.0
  O  O3  4  0.1160  0.5000  0.2380  1.0
  O  O4  2  0.0000  0.0000  0.5000  1.0
]