data_[Np2Ag6S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  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 [P2/c]
_cell_length_a [6.6177]
_cell_length_b [7.7013]
_cell_length_c [6.8247]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.3332]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [13]
_chemical_formula_structural [NpAg3S4]
_chemical_formula_sum '[Np2 Ag6 S8]'
_cell_volume [323.9887]
_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
[
  Np  Np0  2  0.0000  0.1468  0.7500  1
  Ag  Ag1  2  0.0000  0.3736  0.2500  1
  Ag  Ag2  2  0.5000  0.1317  0.2500  1
  Ag  Ag3  2  0.5000  0.3603  0.7500  1
  S  S4  4  0.2321  0.1107  0.5022  1
  S  S5  4  0.2575  0.3774  0.9921  1
]