data_[Rb2Ca2Cr2Cl12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ca  1.0000  1.8000  1.1400
  Cr  1.6600  1.4000  0.9400
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P-31c]
_cell_length_a [6.7699]
_cell_length_b [6.7699]
_cell_length_c [14.3345]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [163]
_chemical_formula_structural [RbCaCrCl6]
_chemical_formula_sum '[Rb2 Ca2 Cr2 Cl12]'
_cell_volume [568.9523]
_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  0.0000  0.0000  1
  Ca  Ca1  2  0.3333  0.6667  0.2500  1
  Cr  Cr2  2  0.3333  0.6667  0.7500  1
  Cl  Cl3  12  0.0414  0.3907  0.6527  1
]