data_[Na3Np9Ag6S24]
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
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [8.1398]
_cell_length_b [8.1398]
_cell_length_c [18.3722]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [NaNp3(AgS4)2]
_chemical_formula_sum '[Na3 Np9 Ag6 S24]'
_cell_volume [1054.1852]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.8945  1
  Np  Np1  9  0.1675  0.3350  0.3340  1
  Ag  Ag2  3  0.0000  0.0000  0.1199  1
  Ag  Ag3  3  0.0000  0.0000  0.4858  1
  S  S4  9  0.0400  0.5200  0.2573  1
  S  S5  9  0.1724  0.8276  0.0724  1
  S  S6  3  0.0000  0.0000  0.2596  1
  S  S7  3  0.0000  0.0000  0.7419  1
]