data_[Rb4Tl2Cr2I12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tl  1.6200  1.9000  1.3325
  Cr  1.6600  1.4000  0.9400
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [8.3537]
_cell_length_b [8.7209]
_cell_length_c [14.6709]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.7455]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Rb2TlCrI6]
_chemical_formula_sum '[Rb4 Tl2 Cr2 I12]'
_cell_volume [878.2310]
_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  0.2715  0.5774  0.7466  1.0
  Tl  Tl1  2  0.5000  0.0000  0.0000  1.0
  Cr  Cr2  2  0.0000  0.0000  0.5000  1.0
  I  I3  4  0.1361  0.5106  0.2220  1.0
  I  I4  4  0.2075  0.2289  0.0403  1.0
  I  I5  4  0.3182  0.6703  0.0438  1.0
]