data_[Rb2Er2Cr2Cl12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Er  1.2400  1.7500  1.0300
  Cr  1.6600  1.4000  0.9400
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [6.9626]
_cell_length_b [11.3030]
_cell_length_c [7.4100]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.2929]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [RbErCrCl6]
_chemical_formula_sum '[Rb2 Er2 Cr2 Cl12]'
_cell_volume [582.1944]
_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  2  0.0000  0.9865  0.0000  1
  Er  Er1  2  0.0000  0.3242  0.5000  1
  Cr  Cr2  2  0.0000  0.6650  0.5000  1
  Cl  Cl3  4  0.1243  0.5113  0.6960  1
  Cl  Cl4  4  0.1776  0.8125  0.6776  1
  Cl  Cl5  4  0.1791  0.1886  0.7294  1
]