data_[V4Pb2Se2O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  V  1.6300  1.3500  0.7775
  Pb  2.3300  1.8000  1.1225
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.7934]
_cell_length_b [5.7683]
_cell_length_c [7.3810]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.5977]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [V2PbSeO8]
_chemical_formula_sum '[V4 Pb2 Se2 O16]'
_cell_volume [374.3683]
_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
[
  V  V0  4  0.1381  0.5000  0.7858  1.0
  Pb  Pb1  2  0.0000  0.0000  0.5000  1.0
  Se  Se2  2  0.0000  0.0000  0.0000  1.0
  O  O3  8  0.0237  0.2424  0.7993  1.0
  O  O4  4  0.2175  0.5000  0.5800  1.0
  O  O5  4  0.2243  0.0000  0.0444  1.0
]