data_[Np2Cu4Ag4S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  Cu  1.9000  1.3500  0.8200
  Ag  1.9300  1.6000  1.0867
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.9042]
_cell_length_b [3.9079]
_cell_length_c [7.5773]
_cell_angle_alpha [90.0000]
_cell_angle_beta [121.7840]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [NpCu2(AgS2)2]
_chemical_formula_sum '[Np2 Cu4 Ag4 S8]'
_cell_volume [349.9864]
_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  0.0000  1
  Cu  Cu1  4  0.1802  0.5000  0.3806  1
  Ag  Ag2  4  0.1395  0.0000  0.7492  1
  S  S3  4  0.0130  0.5000  0.7674  1
  S  S4  4  0.2274  0.0000  0.2530  1
]