data_Ni2WCl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.82
_cell_length_b   2.82
_cell_length_c   7.08
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   91.42
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ni2WCl
_chemical_formula_sum   'Ni2 W1 Cl1'
_cell_volume   56.1
_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  Ni1  1  0.97  0.0  0.82  1.0
  Ni  Ni2  1  0.97  0.0  0.25  1.0
  W  W3  1  0.0  0.0  0.54  1.0
  Cl  Cl0  1  0.0  0.0  0.0  1.0

data_Ni2WCl
_symmetry_space_group_name_H-M   Pm
_cell_length_a   2.82
_cell_length_b   2.82
_cell_length_c   7.08
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   6
_chemical_formula_structural   Ni2WCl
_chemical_formula_sum   'Ni2 W1 Cl1'
_cell_volume   56.12
_cell_formula_units_Z   1
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
  Ni  Ni0  1  0.97  0.0  0.25  1.0
  Ni  Ni1  1  0.97  0.0  0.82  1.0
  W  W2  1  0.0  0.0  0.54  1.0
  Cl  Cl3  1  0.0  0.0  0.0  1.0

Ni Ni W Cl
Ni Ni W Cl 0 3 + o + 0 2 + o o 1 3 + o o 1 2 + o o 