data_[Cs6Pr3P6Se18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Pr  1.1300  1.8500  1.0600
  P  2.1900  1.0000  0.5500
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [7.5976]
_cell_length_b [7.5976]
_cell_length_c [21.9446]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Cs2Pr(PSe3)2]
_chemical_formula_sum '[Cs6 Pr3 P6 Se18]'
_cell_volume [1097.0241]
_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  0.2389  1
  Pr  Pr1  3  0.0000  0.0000  0.0000  1
  P  P2  6  0.0000  0.0000  0.4454  1
  Se  Se3  18  0.0049  0.5024  0.7593  1
]