data_[Pr2Ga2Si2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Ga  1.8100  1.3000  0.7600
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [Pmmm]
_cell_length_a [4.2055]
_cell_length_b [4.2713]
_cell_length_c [7.2551]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [47]
_chemical_formula_structural [PrGaSi]
_chemical_formula_sum '[Pr2 Ga2 Si2]'
_cell_volume [130.3256]
_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  1  0.0000  0.0000  0.0000  1.0
  Pr  Pr1  1  0.5000  0.0000  0.5000  1.0
  Ga  Ga2  2  0.5000  0.5000  0.1687  1.0
  Si  Si3  2  0.0000  0.5000  0.3372  1.0
]