data_NbZnCl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.76
_cell_length_b   6.76
_cell_length_c   6.76
_cell_angle_alpha   154.39
_cell_angle_beta   154.39
_cell_angle_gamma   36.53
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NbZnCl
_chemical_formula_sum   'Nb1 Zn1 Cl1'
_cell_volume   57.56
_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
  Nb  Nb1  1  0.0  0.0  0.52  1.0
  Zn  Zn2  1  0.0  0.0  0.87  1.0
  Cl  Cl0  1  0.0  0.0  0.44  1.0

data_NbZnCl
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.24
_cell_length_b   4.24
_cell_length_c   6.76
_cell_angle_alpha   90.0
_cell_angle_beta   108.27
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   NbZnCl
_chemical_formula_sum   'Nb2 Zn2 Cl2'
_cell_volume   115.12
_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
  Nb  Nb0  2  0.0  0.0  0.48  1.0
  Zn  Zn1  2  0.0  0.0  0.13  1.0
  Cl  Cl2  2  0.0  0.0  0.56  1.0

Nb Zn Cl
Nb Zn Cl 0 2 o o o 0 1 o o o 1 1 + o + 1 1 o + + 1 2 o o o 