data_[Zr8Np6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zr  1.3300  1.5500  0.8600
  Np  1.3600  1.7500  1.0000
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.8833]
_cell_length_b [4.9823]
_cell_length_c [8.4284]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.6258]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Zr4Np3]
_chemical_formula_sum '[Zr8 Np6]'
_cell_volume [307.7394]
_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
[
  Zr  Zr0  2  0.0108  0.7500  0.2683  1
  Zr  Zr1  2  0.1272  0.7500  0.9575  1
  Zr  Zr2  2  0.2861  0.7500  0.6693  1
  Zr  Zr3  2  0.2965  0.2500  0.1817  1
  Np  Np4  2  0.1555  0.2500  0.4596  1
  Np  Np5  2  0.4769  0.2500  0.9013  1
  Np  Np6  2  0.4824  0.2500  0.5804  1
]