data_[Rb4Cl4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Pbcm]
_cell_length_a [16.1966]
_cell_length_b [12.4446]
_cell_length_c [6.4526]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [57]
_chemical_formula_structural [RbCl]
_chemical_formula_sum '[Rb4 Cl4]'
_cell_volume [1300.5876]
_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  0.0369  0.1202  0.7500  1
  Cl  Cl1  4  0.0368  0.1206  0.2500  1
]