data_[Cu2As2Pb4S2O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cu  1.9000  1.3500  0.8200
  As  2.1800  1.1500  0.6600
  Pb  2.3300  1.8000  1.1225
  S  2.5800  1.0000  0.8800
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [8.6092]
_cell_length_b [5.8177]
_cell_length_c [8.6160]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.6968]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [CuAsPb2SO9]
_chemical_formula_sum '[Cu2 As2 Pb4 S2 O18]'
_cell_volume [403.6854]
_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
[
  Cu  Cu0  2  0.0000  0.0000  0.0000  1
  As  As1  2  0.0170  0.7500  0.3355  1
  Pb  Pb2  2  0.2643  0.2500  0.3650  1
  Pb  Pb3  2  0.3104  0.7500  0.7686  1
  S  S4  2  0.4503  0.7500  0.1874  1
  O  O5  4  0.0071  0.5029  0.7835  1
  O  O6  4  0.4962  0.5393  0.2977  1
  O  O7  2  0.1311  0.2500  0.5787  1
  O  O8  2  0.1369  0.2500  0.0578  1
  O  O9  2  0.2195  0.7500  0.4659  1
  O  O10  2  0.2694  0.7500  0.0921  1
  O  O11  2  0.4531  0.2500  0.9254  1
]