data_[Rb2Na2Zn2Br8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Na  0.9300  1.8000  1.1600
  Zn  1.6500  1.3500  0.8800
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.1844]
_cell_length_b [7.6029]
_cell_length_c [9.2524]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.5008]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbNaZnBr4]
_chemical_formula_sum '[Rb2 Na2 Zn2 Br8]'
_cell_volume [481.9939]
_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  2  0.2470  0.2500  0.0600  1.0
  Na  Na1  2  0.2231  0.2500  0.5548  1.0
  Zn  Zn2  2  0.2264  0.7500  0.3246  1.0
  Br  Br3  4  0.0007  0.0011  0.7205  1.0
  Br  Br4  2  0.4128  0.7500  0.1436  1.0
  Br  Br5  2  0.4500  0.7500  0.5774  1.0
]