data_[Na2Pr2Ge2S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Pr  1.1300  1.8500  1.0600
  Ge  2.0100  1.2500  0.7700
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.6547]
_cell_length_b [6.6901]
_cell_length_c [8.1170]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.3259]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaPrGeS4]
_chemical_formula_sum '[Na2 Pr2 Ge2 S8]'
_cell_volume [348.5225]
_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
[
  Na  Na0  2  0.2456  0.2500  0.0611  1
  Pr  Pr1  2  0.2269  0.2500  0.5574  1
  Ge  Ge2  2  0.2353  0.7500  0.3060  1
  S  S3  4  0.0107  0.0053  0.2622  1
  S  S4  2  0.4123  0.7500  0.5815  1
  S  S5  2  0.4413  0.7500  0.1359  1
]