data_[K4Pr4Si8O24]
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
  Si  1.9000  1.1000  0.5400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.5477]
_cell_length_b [10.4047]
_cell_length_c [5.4107]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.9199]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [KPr(SiO3)2]
_chemical_formula_sum '[K4 Pr4 Si8 O24]'
_cell_volume [583.0524]
_cell_formula_units_Z [4]
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  4  0.0000  0.1645  0.2500  1.0
  Pr  Pr1  4  0.0000  0.3768  0.7500  1.0
  Si  Si2  8  0.2201  0.0807  0.7763  1.0
  O  O3  8  0.1219  0.4235  0.1621  1.0
  O  O4  8  0.1491  0.2178  0.7217  1.0
  O  O5  8  0.1684  0.0116  0.0207  1.0
]