data_AgCl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.84
_cell_length_b   5.84
_cell_length_c   4.04
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   142.95
_symmetry_Int_Tables_number   1
_chemical_formula_structural   AgCl
_chemical_formula_sum   'Ag2 Cl2'
_cell_volume   83.06
_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
  Ag  Ag0  1  0.86  0.84  0.01  1.0
  Ag  Ag1  1  0.86  0.16  0.03  1.0
  Cl  Cl2  1  0.86  0.05  0.03  1.0
  Cl  Cl3  1  0.86  0.95  0.01  1.0

data_AgCl
_symmetry_space_group_name_H-M   P-1
_cell_length_a   3.71
_cell_length_b   4.04
_cell_length_c   5.84
_cell_angle_alpha   90.0
_cell_angle_beta   108.52
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   AgCl
_chemical_formula_sum   'Ag2 Cl2'
_cell_volume   83.06
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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  2  0.16  0.49  0.16  1.0
  Cl  Cl1  2  0.05  0.49  0.05  1.0

Ag Ag Cl Cl
Ag Ag Cl Cl 0 3 o o o 1 2 o o o 2 3 o - o 