data_BiCl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.96
_cell_length_b   4.96
_cell_length_c   6.21
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   BiCl
_chemical_formula_sum   'Bi2 Cl2'
_cell_volume   132.32
_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
  Bi  Bi0  1  0.0  0.0  0.11  1.0
  Bi  Bi1  1  0.0  0.0  0.0  1.0
  Cl  Cl2  1  0.48  0.43  0.66  1.0
  Cl  Cl3  1  0.0  0.86  0.55  1.0

data_BiCl
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.96
_cell_length_b   4.96
_cell_length_c   6.21
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   BiCl
_chemical_formula_sum   'Bi2 Cl2'
_cell_volume   132.32
_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
  Bi  Bi0  1  0.0  0.0  0.0  1.0
  Bi  Bi1  1  0.0  0.0  0.11  1.0
  Cl  Cl2  1  0.0  0.86  0.55  1.0
  Cl  Cl3  1  0.48  0.43  0.66  1.0

Bi Bi Cl Cl