data_[Rb2Li2Cu2I8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Li  0.9800  1.4500  0.9000
  Cu  1.9000  1.3500  0.8200
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.0776]
_cell_length_b [7.3787]
_cell_length_c [11.0613]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.4957]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbLiCuI4]
_chemical_formula_sum '[Rb2 Li2 Cu2 I8]'
_cell_volume [561.7070]
_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  0.2189  0.2500  0.0536  1.0
  Li  Li1  2  0.3349  0.2500  0.6974  1.0
  Cu  Cu2  2  0.1956  0.7500  0.3054  1.0
  I  I3  4  0.0571  0.5069  0.7292  1.0
  I  I4  2  0.3524  0.7500  0.0975  1.0
  I  I5  2  0.4813  0.7500  0.4934  1.0
]