data_NiAgCl2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.18
_cell_length_b   7.18
_cell_length_c   7.18
_cell_angle_alpha   28.23
_cell_angle_beta   28.23
_cell_angle_gamma   28.23
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NiAgCl2
_chemical_formula_sum   'Ni1 Ag1 Cl2'
_cell_volume   73.23
_cell_formula_units_Z   1
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
  Ni  Ni3  1  0.0  0.0  0.0  1.0
  Ag  Ag0  1  0.0  0.0  0.34  1.0
  Cl  Cl1  1  0.0  0.0  0.52  1.0
  Cl  Cl2  1  0.0  0.0  0.16  1.0

data_NiAgCl2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.07
_cell_length_b   3.5
_cell_length_c   7.18
_cell_angle_alpha   90.0
_cell_angle_beta   106.36
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   NiAgCl2
_chemical_formula_sum   'Ni2 Ag2 Cl4'
_cell_volume   146.45
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  Ni  Ni0  2  0.0  0.0  0.0  1.0
  Ag  Ag1  2  0.0  0.0  0.66  1.0
  Cl  Cl2  2  0.0  0.0  0.48  1.0
  Cl  Cl3  2  0.0  0.0  0.84  1.0

Ni Ag Cl Cl