data_[Pr1Nd1Zn6Si3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Nd  1.1400  1.8500  1.2765
  Zn  1.6500  1.3500  0.8800
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [P-6]
_cell_length_a [7.5612]
_cell_length_b [7.5612]
_cell_length_c [4.0761]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [174]
_chemical_formula_structural [PrNd(Zn2Si)3]
_chemical_formula_sum '[Pr1 Nd1 Zn6 Si3]'
_cell_volume [201.8173]
_cell_formula_units_Z [1]
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  0.3333  0.6667  0.0000  1
  Nd  Nd1  1  0.0000  0.0000  0.0000  1
  Zn  Zn2  3  0.3707  0.3337  0.5000  1
  Zn  Zn3  3  0.4744  0.1424  0.0000  1
  Si  Si4  3  0.0414  0.3321  0.5000  1
]