data_[Tl8Cr4O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tl  1.6200  1.9000  1.3325
  Cr  1.6600  1.4000  0.9400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [13.3051]
_cell_length_b [4.2914]
_cell_length_c [8.2979]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.0961]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Tl2CrO6]
_chemical_formula_sum '[Tl8 Cr4 O24]'
_cell_volume [450.3592]
_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
[
  Tl  Tl0  8  0.1735  0.4789  0.5863  1
  Cr  Cr1  4  0.0000  0.0465  0.7500  1
  O  O2  8  0.0097  0.2745  0.5919  1
  O  O3  8  0.1062  0.1692  0.3164  1
  O  O4  8  0.2397  0.0362  0.1225  1
]