data_[Rb4Ba2Ag4Br12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ba  0.8900  2.1500  1.4900
  Ag  1.9300  1.6000  1.0867
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.5214]
_cell_length_b [8.4032]
_cell_length_c [8.4154]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.2692]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Ba(AgBr3)2]
_chemical_formula_sum '[Rb4 Ba2 Ag4 Br12]'
_cell_volume [904.4228]
_cell_formula_units_Z [2]
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  4  0.2355  0.5000  0.1833  1.0
  Ba  Ba1  2  0.0000  0.5000  0.5000  1.0
  Ag  Ag2  4  0.0529  0.0000  0.2033  1.0
  Br  Br3  8  0.0706  0.2481  0.8298  1.0
  Br  Br4  4  0.2436  0.5000  0.6009  1.0
]