data_[Ca6Pr3Sb3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Pr  1.1300  1.8500  1.0600
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.8134]
_cell_length_b [5.8134]
_cell_length_c [15.0769]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Ca2PrSbO6]
_chemical_formula_sum '[Ca6 Pr3 Sb3 O18]'
_cell_volume [441.2679]
_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  0.4652  1
  Ca  Ca1  3  0.0000  0.0000  0.9714  1
  Pr  Pr2  3  0.0000  0.0000  0.1918  1
  Sb  Sb3  3  0.0000  0.0000  0.6808  1
  O  O4  9  0.0127  0.3947  0.4157  1
  O  O5  9  0.0722  0.6866  0.2607  1
]