data_[Rb1Hf1Ag2Br8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Hf  1.3000  1.5500  0.8500
  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 [6.7039]
_cell_length_b [7.1789]
_cell_length_c [9.4563]
_cell_angle_alpha [73.7395]
_cell_angle_beta [80.7700]
_cell_angle_gamma [83.9077]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbHf(AgBr4)2]
_chemical_formula_sum '[Rb1 Hf1 Ag2 Br8]'
_cell_volume [430.3391]
_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  1.0
  Hf  Hf1  1  0.0000  0.0000  0.0000  1.0
  Ag  Ag2  2  0.4351  0.9978  0.7040  1.0
  Br  Br3  2  0.1288  0.0085  0.2468  1.0
  Br  Br4  2  0.2326  0.2787  0.8444  1.0
  Br  Br5  2  0.2905  0.7373  0.9602  1.0
  Br  Br6  2  0.4960  0.7249  0.5497  1.0
]