data_[Na4Li4Np4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Li  0.9800  1.4500  0.9000
  Np  1.3600  1.7500  1.0000
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [6.9062]
_cell_length_b [9.3852]
_cell_length_c [8.0529]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.2640]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaLiNpO5]
_chemical_formula_sum '[Na4 Li4 Np4 O20]'
_cell_volume [475.8500]
_cell_formula_units_Z [4]
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  4  0.0000  0.4152  0.7500  1
  Li  Li1  4  0.0000  0.0573  0.7500  1
  Np  Np2  4  0.2500  0.2500  0.5000  1
  O  O3  8  0.0387  0.8028  0.0839  1
  O  O4  8  0.2415  0.0664  0.3913  1
  O  O5  4  0.0000  0.3295  0.2500  1
]