data_[Cs3Pm1Ta2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Pm  1.1300  1.8500  1.1100
  Ta  1.5000  1.4500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [6.4542]
_cell_length_b [6.4542]
_cell_length_c [8.5365]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Cs3PmTa2O8]
_chemical_formula_sum '[Cs3 Pm1 Ta2 O8]'
_cell_volume [307.9607]
_cell_formula_units_Z [1]
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  2  0.3333  0.6667  0.7208  1
  Cs  Cs1  1  0.0000  0.0000  0.0000  1
  Pm  Pm2  1  0.0000  0.0000  0.5000  1
  Ta  Ta3  2  0.3333  0.6667  0.2684  1
  O  O4  6  0.1730  0.3461  0.3392  1
  O  O5  2  0.3333  0.6667  0.0548  1
]