data_[Rb1Zr1Ag2Br8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Zr  1.3300  1.5500  0.8600
  Ag  1.9300  1.6000  1.0867
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [6.6905]
_cell_length_b [7.1775]
_cell_length_c [9.4853]
_cell_angle_alpha [74.1030]
_cell_angle_beta [80.5236]
_cell_angle_gamma [83.7267]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbZr(AgBr4)2]
_chemical_formula_sum '[Rb1 Zr1 Ag2 Br8]'
_cell_volume [431.1044]
_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
[
  Rb  Rb0  1  0.0000  0.5000  0.5000  1
  Zr  Zr1  1  0.0000  0.0000  0.0000  1
  Ag  Ag2  2  0.4353  0.9989  0.7037  1
  Br  Br3  2  0.1290  0.0111  0.2486  1
  Br  Br4  2  0.2328  0.2828  0.8428  1
  Br  Br5  2  0.2980  0.7368  0.9585  1
  Br  Br6  2  0.4946  0.7253  0.5488  1
]