data_[Pa2Nb2Al2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pa  1.5000  1.8000  1.0400
  Nb  1.6000  1.4500  0.8200
  Al  1.6100  1.2500  0.6750
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [2.9575]
_cell_length_b [2.9575]
_cell_length_c [13.7130]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [PaNbAl]
_chemical_formula_sum '[Pa2 Nb2 Al2]'
_cell_volume [119.9456]
_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
[
  Pa  Pa0  2  0.0000  0.0000  0.9970  1
  Nb  Nb1  2  0.0000  0.0000  0.6796  1
  Al  Al2  2  0.0000  0.0000  0.3234  1
]