data_[Np1Sb1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P-6m2]
_cell_length_a [3.6577]
_cell_length_b [3.6577]
_cell_length_c [4.6613]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [187]
_chemical_formula_structural [NpSb]
_chemical_formula_sum '[Np1 Sb1]'
_cell_volume [54.0084]
_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
[
  Np  Np0  1  0.3333  0.6667  0.5000  1
  Sb  Sb1  1  0.0000  0.0000  0.0000  1
]