data_[Pb2S16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pb  2.3300  1.8000  1.1225
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [I4/m]
_cell_length_a [9.6467]
_cell_length_b [9.6467]
_cell_length_c [7.6394]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [87]
_chemical_formula_structural [PbS8]
_chemical_formula_sum '[Pb2 S16]'
_cell_volume [710.9122]
_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
[
  Pb  Pb0  2  0.0000  0.0000  0.0000  1
  S  S1  8  0.0428  0.4003  0.0000  1
  S  S2  8  0.1224  0.7247  0.0000  1
]