data_[K2Pr2P4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Pr  1.1300  1.8500  1.0600
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I-4m2]
_cell_length_a [7.3663]
_cell_length_b [7.3663]
_cell_length_c [6.4774]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [119]
_chemical_formula_structural [KPr(PO4)2]
_chemical_formula_sum '[K2 Pr2 P4 O16]'
_cell_volume [351.4817]
_cell_formula_units_Z [2]
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
[
  K  K0  2  0.0000  0.5000  0.7500  1
  Pr  Pr1  2  0.0000  0.0000  0.0000  1
  P  P2  2  0.0000  0.0000  0.5000  1
  P  P3  2  0.0000  0.5000  0.2500  1
  O  O4  8  0.0000  0.1637  0.6495  1
  O  O5  8  0.0000  0.3258  0.1149  1
]