data_[Rb6Mg4I14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Mg  1.3100  1.5000  0.8600
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [5.9299]
_cell_length_b [30.4537]
_cell_length_c [5.8266]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Rb3Mg2I7]
_chemical_formula_sum '[Rb6 Mg4 I14]'
_cell_volume [1052.2136]
_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  0.0000  0.3256  0.5000  1.0
  Rb  Rb1  2  0.0000  0.5000  0.5000  1.0
  Mg  Mg2  4  0.0000  0.0999  0.0000  1.0
  I  I3  4  0.0000  0.0939  0.5000  1.0
  I  I4  4  0.0000  0.1932  0.0000  1.0
  I  I5  4  0.0000  0.4067  0.0000  1.0
  I  I6  2  0.0000  0.0000  0.0000  1.0
]