data_[Ca9Te3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Te  2.1000  1.4000  1.2933
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.7335]
_cell_length_b [5.7335]
_cell_length_c [14.6042]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Ca3TeO6]
_chemical_formula_sum '[Ca9 Te3 O18]'
_cell_volume [415.7608]
_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  0.3722  1.0
  Ca  Ca1  3  0.0000  0.0000  0.6444  1.0
  Ca  Ca2  3  0.0000  0.0000  0.8683  1.0
  Te  Te3  3  0.0000  0.0000  0.1540  1.0
  O  O4  9  0.0339  0.2852  0.2373  1.0
  O  O5  9  0.0754  0.7216  0.7497  1.0
]