data_[Pr10Er2Ag12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Er  1.2400  1.7500  1.0300
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [5.3257]
_cell_length_b [16.0284]
_cell_length_c [7.4492]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Pr5ErAg6]
_chemical_formula_sum '[Pr10 Er2 Ag12]'
_cell_volume [635.8796]
_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
[
  Pr  Pr0  4  0.0000  0.3309  0.5000  1
  Pr  Pr1  4  0.0000  0.3344  0.0000  1
  Pr  Pr2  2  0.0000  0.0000  0.5000  1
  Er  Er3  2  0.0000  0.0000  0.0000  1
  Ag  Ag4  8  0.0000  0.1609  0.2418  1
  Ag  Ag5  4  0.0000  0.5000  0.2381  1
]