data_[Na1Np1Ag2O6]
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
  Ag  1.9300  1.6000  1.0867
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P1]
_cell_length_a [5.4904]
_cell_length_b [5.6621]
_cell_length_c [6.0411]
_cell_angle_alpha [116.5516]
_cell_angle_beta [90.0011]
_cell_angle_gamma [115.1652]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [NaNp(AgO3)2]
_chemical_formula_sum '[Na1 Np1 Ag2 O6]'
_cell_volume [147.7967]
_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  1  0.4962  0.0399  0.5117  1
  Np  Np1  1  0.9847  0.9730  0.9460  1
  Ag  Ag2  1  0.3082  0.6138  0.9059  1
  Ag  Ag3  1  0.7651  0.5585  0.3271  1
  O  O4  1  0.1009  0.8243  0.1595  1
  O  O5  1  0.1935  0.7894  0.7071  1
  O  O6  1  0.3479  0.4179  0.1116  1
  O  O7  1  0.6155  0.5484  0.7292  1
  O  O8  1  0.7940  0.1285  0.1982  1
  O  O9  1  0.8820  0.0716  0.7062  1
]