data_[Nb2P4Pb2O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nb  1.6000  1.4500  0.8200
  P  2.1900  1.0000  0.5500
  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 [8.4445]
_cell_length_b [5.3560]
_cell_length_c [7.7045]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.7606]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [NbP2PbO8]
_chemical_formula_sum '[Nb2 P4 Pb2 O16]'
_cell_volume [348.0592]
_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
[
  Nb  Nb0  2  0.0000  0.0000  0.0000  1.0
  P  P1  4  0.1414  0.5000  0.7738  1.0
  Pb  Pb2  2  0.0000  0.0000  0.5000  1.0
  O  O3  8  0.0394  0.2599  0.7990  1.0
  O  O4  4  0.2058  0.5000  0.5934  1.0
  O  O5  4  0.2276  0.0000  0.0753  1.0
]