data_[Pr8Ho4Ag4Se20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Ho  1.2300  1.7500  1.0410
  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 [4.1687]
_cell_length_b [17.6166]
_cell_length_c [12.5513]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Pr2HoAgSe5]
_chemical_formula_sum '[Pr8 Ho4 Ag4 Se20]'
_cell_volume [921.7496]
_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
[
  Pr  Pr0  4  0.0000  0.1102  0.6860  1.0
  Pr  Pr1  4  0.0000  0.1253  0.3061  1.0
  Ho  Ho2  4  0.0000  0.1956  0.0091  1.0
  Ag  Ag3  4  0.0000  0.4425  0.4590  1.0
  Se  Se4  4  0.0000  0.0465  0.0784  1.0
  Se  Se5  4  0.0000  0.2862  0.6661  1.0
  Se  Se6  4  0.0000  0.3055  0.3465  1.0
  Se  Se7  4  0.0000  0.3583  0.0002  1.0
  Se  Se8  4  0.0000  0.4977  0.7727  1.0
]