data_[Pr6Zn2Si2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Zn  1.6500  1.3500  0.8800
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [4.4824]
_cell_length_b [7.1767]
_cell_length_c [9.0872]
_cell_angle_alpha [93.9809]
_cell_angle_beta [90.2621]
_cell_angle_gamma [108.0077]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Pr3ZnSi]
_chemical_formula_sum '[Pr6 Zn2 Si2]'
_cell_volume [277.2316]
_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  0.0971  0.6846  0.3975  1
  Pr  Pr1  2  0.2636  0.0289  0.8268  1
  Pr  Pr2  2  0.4513  0.3995  0.1797  1
  Zn  Zn3  2  0.2992  0.1099  0.4355  1
  Si  Si4  2  0.0874  0.6752  0.0550  1
]