data_NaBiCl2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.78
_cell_length_b   3.78
_cell_length_c   8.33
_cell_angle_alpha   93.43
_cell_angle_beta   93.43
_cell_angle_gamma   61.47
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaBiCl2
_chemical_formula_sum   'Na1 Bi1 Cl2'
_cell_volume   104.35
_cell_formula_units_Z   1
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
  Na  Na3  1  0.0  0.0  0.0  1.0
  Bi  Bi0  1  0.96  0.0  0.15  1.0
  Cl  Cl1  1  0.27  0.0  0.54  1.0
  Cl  Cl2  1  0.65  0.0  0.76  1.0

data_NaBiCl2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   3.78
_cell_length_b   6.65
_cell_length_c   8.33
_cell_angle_alpha   90.0
_cell_angle_beta   93.43
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   NaBiCl2
_chemical_formula_sum   'Na2 Bi2 Cl4'
_cell_volume   208.9
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  Na  Na0  2  0.0  0.0  0.0  1.0
  Bi  Bi1  2  0.46  0.5  0.15  1.0
  Cl  Cl2  2  0.15  0.5  0.76  1.0
  Cl  Cl3  2  0.27  0.0  0.54  1.0

Na Bi Cl Cl