data_[Si2H4Pb2F16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Si  1.9000  1.1000  0.5400
  H  2.2000  0.2500  0.0000
  Pb  2.3300  1.8000  1.1225
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.6294]
_cell_length_b [5.4472]
_cell_length_c [6.8773]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.4906]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [SiH2PbF8]
_chemical_formula_sum '[Si2 H4 Pb2 F16]'
_cell_volume [317.8733]
_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
[
  Si  Si0  2  0.0000  0.0000  0.0000  1.0
  H  H1  4  0.2347  0.5000  0.7367  1.0
  Pb  Pb2  2  0.0000  0.0000  0.5000  1.0
  F  F3  8  0.0108  0.2195  0.8239  1.0
  F  F4  4  0.2030  0.0000  0.0667  1.0
  F  F5  4  0.2067  0.5000  0.5847  1.0
]