data_[Pr4Ni2Ag2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Ni  1.9100  1.3500  0.7400
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.9064]
_cell_length_b [4.6250]
_cell_length_c [7.8546]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.1889]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Pr2NiAg]
_chemical_formula_sum '[Pr4 Ni2 Ag2]'
_cell_volume [200.0615]
_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  2  0.2087  0.7500  0.9349  1.0
  Pr  Pr1  2  0.2382  0.7500  0.4259  1.0
  Ni  Ni2  2  0.3558  0.2500  0.2108  1.0
  Ag  Ag3  2  0.3368  0.2500  0.7154  1.0
]