data_[Np4Al24Zn2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  Al  1.6100  1.2500  0.6750
  Zn  1.6500  1.3500  0.8800
]
_symmetry_space_group_name_H-M [P4/nbm]
_cell_length_a [6.0118]
_cell_length_b [6.0118]
_cell_length_c [15.9817]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [125]
_chemical_formula_structural [Np2Al12Zn]
_chemical_formula_sum '[Np4 Al24 Zn2]'
_cell_volume [577.6077]
_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
[
  Np  Np0  4  0.0000  0.5000  0.2493  1
  Al  Al1  8  0.1690  0.3310  0.4294  1
  Al  Al2  8  0.2498  0.2502  0.9103  1
  Al  Al3  4  0.0000  0.0000  0.1850  1
  Al  Al4  4  0.0000  0.0000  0.3393  1
  Zn  Zn5  2  0.0000  0.5000  0.0000  1
]