data_[Cs6Cr3As6O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Cr  1.6600  1.4000  0.9400
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [5.9244]
_cell_length_b [5.9244]
_cell_length_c [18.9814]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Cs2Cr(AsO3)2]
_chemical_formula_sum '[Cs6 Cr3 As6 O18]'
_cell_volume [576.9617]
_cell_formula_units_Z [3]
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
[
  Cs  Cs0  6  0.0000  0.0000  0.2183  1
  Cr  Cr1  3  0.0000  0.0000  0.0000  1
  As  As2  6  0.0000  0.0000  0.4218  1
  O  O3  18  0.0040  0.5020  0.2707  1
]