data_[Np4Ag4S14]
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 [Imm2]
_cell_length_a [4.1056]
_cell_length_b [14.2649]
_cell_length_c [8.3461]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Np2Ag2S7]
_chemical_formula_sum '[Np4 Ag4 S14]'
_cell_volume [488.7943]
_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  0.0000  0.8221  1
  Np  Np1  2  0.0000  0.5000  0.8321  1
  Ag  Ag2  4  0.0000  0.2632  0.5332  1
  S  S3  4  0.0000  0.1131  0.3204  1
  S  S4  4  0.0000  0.1870  0.8445  1
  S  S5  4  0.0000  0.4268  0.1407  1
  S  S6  2  0.0000  0.5000  0.5220  1
]