data_[Ca3Cr6Te3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Cr  1.6600  1.4000  0.9400
  Te  2.1000  1.4000  1.2933
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.5080]
_cell_length_b [5.5080]
_cell_length_c [13.6958]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [CaCr2TeO6]
_chemical_formula_sum '[Ca3 Cr6 Te3 O18]'
_cell_volume [359.8377]
_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
[
  Ca  Ca0  3  0.0000  0.0000  0.7883  1.0
  Cr  Cr1  3  0.0000  0.0000  0.0121  1.0
  Cr  Cr2  3  0.0000  0.0000  0.5226  1.0
  Te  Te3  3  0.0000  0.0000  0.3101  1.0
  O  O4  9  0.0725  0.3419  0.5940  1.0
  O  O5  9  0.0979  0.7313  0.0826  1.0
]