data_[Pr1Nd3Si4]
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
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [Pm]
_cell_length_a [5.9370]
_cell_length_b [3.9513]
_cell_length_c [8.2714]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0874]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [6]
_chemical_formula_structural [PrNd3Si4]
_chemical_formula_sum '[Pr1 Nd3 Si4]'
_cell_volume [194.0398]
_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  0.3860  0.0000  0.8206  1
  Nd  Nd1  1  0.1142  0.0000  0.3204  1
  Nd  Nd2  1  0.6144  0.5000  0.1799  1
  Nd  Nd3  1  0.8859  0.5000  0.6794  1
  Si  Si4  1  0.1206  0.5000  0.0363  1
  Si  Si5  1  0.3786  0.5000  0.5340  1
  Si  Si6  1  0.6220  0.0000  0.4641  1
  Si  Si7  1  0.8783  0.0000  0.9653  1
]