data_[Na2Np1Au1Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Np  1.3600  1.7500  1.0000
  Au  2.5400  1.3500  1.0700
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [6.2028]
_cell_length_b [9.2438]
_cell_length_c [6.3544]
_cell_angle_alpha [90.0000]
_cell_angle_beta [96.9224]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Na2NpAuCl8]
_chemical_formula_sum '[Na2 Np1 Au1 Cl8]'
_cell_volume [361.6873]
_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
[
  Na  Na0  2  0.5000  0.2719  0.5000  1
  Np  Np1  1  0.0000  0.0000  0.0000  1
  Au  Au2  1  0.0000  0.5000  0.0000  1
  Cl  Cl3  4  0.2129  0.1953  0.8397  1
  Cl  Cl4  2  0.2667  0.5000  0.2925  1
  Cl  Cl5  2  0.2755  0.0000  0.3316  1
]