data_[Ag4Se4Cl16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Se  2.5500  1.1500  1.0133
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [7.7374]
_cell_length_b [15.2545]
_cell_length_c [6.8438]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.6291]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [AgSeCl4]
_chemical_formula_sum '[Ag4 Se4 Cl16]'
_cell_volume [695.0824]
_cell_formula_units_Z [4]
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
[
  Ag  Ag0  4  0.0000  0.3211  0.7500  1.0
  Se  Se1  4  0.0000  0.1761  0.2500  1.0
  Cl  Cl2  8  0.2072  0.2959  0.2202  1.0
  Cl  Cl3  8  0.2133  0.0702  0.2416  1.0
]