data_Na2NbW
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.05
_cell_length_b   6.05
_cell_length_c   4.86
_cell_angle_alpha   97.69
_cell_angle_beta   97.69
_cell_angle_gamma   26.86
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2NbW
_chemical_formula_sum   'Na2 Nb1 W1'
_cell_volume   79.66
_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
  Na  Na0  1  0.67  0.0  0.22  1.0
  Na  Na1  1  0.43  0.0  0.59  1.0
  Nb  Nb2  1  0.0  0.0  0.0  1.0
  W  W3  1  0.55  0.0  0.41  1.0

data_Na2NbW
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.81
_cell_length_b   4.86
_cell_length_c   6.05
_cell_angle_alpha   97.69
_cell_angle_beta   103.43
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2NbW
_chemical_formula_sum   'Na2 Nb1 W1'
_cell_volume   79.66
_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
  Na  Na0  1  0.0  0.22  0.67  1.0
  Na  Na1  1  0.0  0.59  0.43  1.0
  Nb  Nb2  1  0.0  0.0  0.0  1.0
  W  W3  1  0.0  0.41  0.55  1.0

Na Na Nb W