data_[Rb4Al4Cl16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Al  1.6100  1.2500  0.6750
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [I4_1/a]
_cell_length_a [6.8604]
_cell_length_b [6.8604]
_cell_length_c [16.9142]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [88]
_chemical_formula_structural [RbAlCl4]
_chemical_formula_sum '[Rb4 Al4 Cl16]'
_cell_volume [796.0686]
_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  0.0000  0.0000  1.0
  Al  Al1  4  0.0000  0.0000  0.5000  1.0
  Cl  Cl2  16  0.1095  0.2630  0.8219  1.0
]