data_[Cr4Pb4Br4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cr  1.6600  1.4000  0.9400
  Pb  2.3300  1.8000  1.1225
  Br  2.9600  1.1500  0.8825
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.4417]
_cell_length_b [6.5893]
_cell_length_c [7.0850]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.3735]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [CrPbBrO4]
_chemical_formula_sum '[Cr4 Pb4 Br4 O16]'
_cell_volume [567.3479]
_cell_formula_units_Z [4]
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
[
  Cr  Cr0  4  0.1380  0.5000  0.2495  1.0
  Pb  Pb1  4  0.2007  0.5000  0.8122  1.0
  Br  Br2  4  0.0238  0.0000  0.6664  1.0
  O  O3  8  0.1684  0.2962  0.1244  1.0
  O  O4  4  0.0067  0.5000  0.2567  1.0
  O  O5  4  0.2138  0.5000  0.4723  1.0
]