data_[Na2Cu1Ag1Br6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Cu  1.9000  1.3500  0.8200
  Ag  1.9300  1.6000  1.0867
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P1]
_cell_length_a [7.0599]
_cell_length_b [7.3067]
_cell_length_c [7.3424]
_cell_angle_alpha [85.8655]
_cell_angle_beta [61.6895]
_cell_angle_gamma [63.8708]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [Na2CuAgBr6]
_chemical_formula_sum '[Na2 Cu1 Ag1 Br6]'
_cell_volume [294.8578]
_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  Na0  1  0.9295  0.0301  0.0693  1.0
  Na  Na1  1  0.9651  0.5184  0.5728  1.0
  Cu  Cu2  1  0.3428  0.3305  0.9803  1.0
  Ag  Ag3  1  0.3540  0.8241  0.4737  1.0
  Br  Br4  1  0.2214  0.1075  0.2308  1.0
  Br  Br5  1  0.2342  0.2131  0.7683  1.0
  Br  Br6  1  0.4482  0.5672  0.7470  1.0
  Br  Br7  1  0.4709  0.4327  0.1841  1.0
  Br  Br8  1  0.8113  0.7058  0.2616  1.0
  Br  Br9  1  0.8994  0.9320  0.6970  1.0
]