data_[Rb8Sr4Ga4I20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sr  0.9500  2.0000  1.3200
  Ga  1.8100  1.3000  0.7600
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.9927]
_cell_length_b [21.1518]
_cell_length_c [16.6131]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Rb2SrGaI5]
_chemical_formula_sum '[Rb8 Sr4 Ga4 I20]'
_cell_volume [1754.4285]
_cell_formula_units_Z [4]
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  0.0868  0.6553  1.0
  Rb  Rb1  4  0.0000  0.1300  0.3017  1.0
  Sr  Sr2  4  0.0000  0.2248  0.0281  1.0
  Ga  Ga3  4  0.0000  0.4537  0.4500  1.0
  I  I4  4  0.0000  0.0746  0.0674  1.0
  I  I5  4  0.0000  0.2622  0.6642  1.0
  I  I6  4  0.0000  0.3021  0.3993  1.0
  I  I7  4  0.0000  0.3766  0.9887  1.0
  I  I8  4  0.0000  0.4988  0.7695  1.0
]