data_[Na3Ag6Bi3Cl18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ag  1.9300  1.6000  1.0867
  Bi  2.0200  1.6000  1.0350
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [7.0426]
_cell_length_b [7.0426]
_cell_length_c [18.8756]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [NaAg2BiCl6]
_chemical_formula_sum '[Na3 Ag6 Bi3 Cl18]'
_cell_volume [810.7731]
_cell_formula_units_Z [3]
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  Na0  3  0.0000  0.0000  0.1851  1
  Ag  Ag1  3  0.0000  0.0000  0.4745  1
  Ag  Ag2  3  0.0000  0.0000  0.9839  1
  Bi  Bi3  3  0.0000  0.0000  0.6778  1
  Cl  Cl4  9  0.0093  0.7042  0.5868  1
  Cl  Cl5  9  0.0233  0.3503  0.7516  1
]