data_NbS2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.82
_cell_length_b   6.82
_cell_length_c   6.82
_cell_angle_alpha   28.56
_cell_angle_beta   28.56
_cell_angle_gamma   28.56
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NbS2
_chemical_formula_sum   'Nb1 S2'
_cell_volume   63.97
_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  Nb0  1  0.0  0.0  0.01  1.0
  S  S1  1  0.0  0.0  0.64  1.0
  S  S2  1  0.0  0.0  0.5  1.0

data_NbS2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.82
_cell_length_b   3.36
_cell_length_c   6.82
_cell_angle_alpha   90.0
_cell_angle_beta   106.55
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   NbS2
_chemical_formula_sum   'Nb2 S4'
_cell_volume   127.93
_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  0.99  1.0
  S  S1  2  0.0  0.0  0.36  1.0
  S  S2  2  0.0  0.0  0.5  1.0

Nb S S