data_[Rb6Cr2Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Cr  1.6600  1.4000  0.9400
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [10.8572]
_cell_length_b [8.3620]
_cell_length_c [6.6621]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Rb3CrCl4]
_chemical_formula_sum '[Rb6 Cr2 Cl8]'
_cell_volume [604.8385]
_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  0.2208  0.6625  0.0539  1
  Rb  Rb1  2  0.0000  0.9203  0.5476  1
  Cr  Cr2  2  0.0000  0.2355  0.0284  1
  Cl  Cl3  4  0.2238  0.2714  0.0696  1
  Cl  Cl4  2  0.0000  0.2949  0.6439  1
  Cl  Cl5  2  0.0000  0.9166  0.0483  1
]