data_[La8Pr4Ag4Se20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Pr  1.1300  1.8500  1.0600
  Ag  1.9300  1.6000  1.0867
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.2474]
_cell_length_b [17.8583]
_cell_length_c [12.6980]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [La2PrAgSe5]
_chemical_formula_sum '[La8 Pr4 Ag4 Se20]'
_cell_volume [963.1549]
_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
[
  La  La0  4  0.0000  0.1107  0.6845  1.0
  La  La1  4  0.0000  0.1221  0.3077  1.0
  Pr  Pr2  4  0.0000  0.1956  0.0075  1.0
  Ag  Ag3  4  0.0000  0.4469  0.4599  1.0
  Se  Se4  4  0.0000  0.0428  0.0775  1.0
  Se  Se5  4  0.0000  0.2893  0.6728  1.0
  Se  Se6  4  0.0000  0.3093  0.3416  1.0
  Se  Se7  4  0.0000  0.3621  0.0008  1.0
  Se  Se8  4  0.0000  0.4981  0.7716  1.0
]