data_[Pr2Ag2Sn4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Ag  1.9300  1.6000  1.0867
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P4/nmm]
_cell_length_a [4.5503]
_cell_length_b [4.5503]
_cell_length_c [9.9738]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [129]
_chemical_formula_structural [PrAgSn2]
_chemical_formula_sum '[Pr2 Ag2 Sn4]'
_cell_volume [206.5051]
_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  0.0000  0.5000  0.2444  1
  Ag  Ag1  2  0.0000  0.0000  0.0000  1
  Sn  Sn2  2  0.0000  0.0000  0.5000  1
  Sn  Sn3  2  0.0000  0.5000  0.8154  1
]