data_Nb7W
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.57
_cell_length_b   6.57
_cell_length_c   6.57
_cell_angle_alpha   90.04
_cell_angle_beta   90.04
_cell_angle_gamma   90.04
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Nb7W
_chemical_formula_sum   'Nb14 W2'
_cell_volume   284.12
_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
  Nb  Nb0  1  0.0  0.0  0.13  1.0
  Nb  Nb1  1  0.0  0.71  0.22  1.0
  Nb  Nb2  1  0.66  0.65  0.22  1.0
  Nb  Nb3  1  0.66  0.35  0.31  1.0
  Nb  Nb4  1  0.0  0.7  0.07  1.0
  Nb  Nb5  1  0.66  0.65  0.07  1.0
  Nb  Nb6  1  0.66  0.35  0.16  1.0
  Nb  Nb7  1  0.34  0.65  0.22  1.0
  Nb  Nb8  1  0.34  0.35  0.31  1.0
  Nb  Nb9  1  0.0  0.3  0.31  1.0
  Nb  Nb10  1  0.34  0.65  0.07  1.0
  Nb  Nb11  1  0.34  0.35  0.16  1.0
  Nb  Nb12  1  0.0  0.29  0.16  1.0
  Nb  Nb13  1  0.0  0.0  0.25  1.0
  W  W14  1  0.0  0.0  0.98  1.0
  W  W15  1  0.0  0.0  0.4  1.0

data_Nb7W
_symmetry_space_group_name_H-M   P2/m
_cell_length_a   6.57
_cell_length_b   6.57
_cell_length_c   6.57
_cell_angle_alpha   90.0
_cell_angle_beta   90.04
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   10
_chemical_formula_structural   Nb7W
_chemical_formula_sum   'Nb14 W2'
_cell_volume   284.12
_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, y, -z'
  4  '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  4  0.35  0.34  0.12  1.0
  Nb  Nb1  4  0.35  0.34  0.97  1.0
  Nb  Nb2  2  0.0  0.0  0.06  1.0
  Nb  Nb3  2  0.29  0.0  0.97  1.0
  Nb  Nb4  2  0.3  0.0  0.12  1.0
  W  W5  2  0.0  0.0  0.21  1.0

Nb Nb Nb Nb Nb Nb Nb Nb Nb Nb Nb Nb Nb Nb W W