data_[Np6Al3Zn48]
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 [R3m]
_cell_length_a [9.0074]
_cell_length_b [9.0074]
_cell_length_c [13.1800]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [Np2AlZn16]
_chemical_formula_sum '[Np6 Al3 Zn48]'
_cell_volume [926.0693]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.3361  1
  Np  Np1  3  0.0000  0.0000  0.6646  1
  Al  Al2  3  0.0000  0.0000  0.9002  1
  Zn  Zn3  18  0.0001  0.2985  1.0000  1
  Zn  Zn4  9  0.0094  0.5047  0.1513  1
  Zn  Zn5  9  0.1680  0.8320  0.8334  1
  Zn  Zn6  9  0.1718  0.8282  0.1814  1
  Zn  Zn7  3  0.0000  0.0000  0.1010  1
]