data_[Pb6S6]
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 [P6_3/m]
_cell_length_a [8.6994]
_cell_length_b [8.6994]
_cell_length_c [6.0233]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [176]
_chemical_formula_structural [PbS]
_chemical_formula_sum '[Pb6 S6]'
_cell_volume [394.7685]
_cell_formula_units_Z [6]
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  6  0.0118  0.6698  0.7500  1.0
  S  S1  6  0.0296  0.6820  0.2500  1.0
]