data_[Rb2Li2Mg2I8]
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
  Mg  1.3100  1.5000  0.8600
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.1502]
_cell_length_b [9.0751]
_cell_length_c [9.9465]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.9162]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbLiMgI4]
_chemical_formula_sum '[Rb2 Li2 Mg2 I8]'
_cell_volume [629.0908]
_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  0.2009  0.2500  0.0823  1.0
  Li  Li1  2  0.3027  0.2500  0.6845  1.0
  Mg  Mg2  2  0.2020  0.7500  0.3139  1.0
  I  I3  4  0.0569  0.0194  0.7308  1.0
  I  I4  2  0.3771  0.7500  0.0900  1.0
  I  I5  2  0.4909  0.2500  0.4698  1.0
]