data_Na2NbTe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.19
_cell_length_b   5.48
_cell_length_c   5.56
_cell_angle_alpha   90.0
_cell_angle_beta   105.46
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2NbTe
_chemical_formula_sum   'Na2 Nb1 Te1'
_cell_volume   93.7
_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  0.45  0.74  0.06  1.0
  Na  Na1  1  0.27  0.74  0.29  1.0
  Nb  Nb2  1  0.0  0.0  0.0  1.0
  Te  Te3  1  0.26  0.0  0.68  1.0

data_Na2NbTe
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.19
_cell_length_b   5.48
_cell_length_c   5.56
_cell_angle_alpha   90.0
_cell_angle_beta   105.46
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2NbTe
_chemical_formula_sum   'Na2 Nb1 Te1'
_cell_volume   93.7
_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  0.27  0.74  0.29  1.0
  Na  Na1  1  0.45  0.74  0.06  1.0
  Nb  Nb2  1  0.0  0.0  0.0  1.0
  Te  Te3  1  0.26  0.0  0.68  1.0

Na Na Nb Te
Na Na Nb Te 0 1 o o o 0 2 + + o 0 2 o + o 0 3 o + - 1 2 o + o 1 3 o + o 2 3 o o - 2 3 - o - 