data_NaLaNb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.93
_cell_length_b   8.8
_cell_length_c   3.15
_cell_angle_alpha   81.97
_cell_angle_beta   77.58
_cell_angle_gamma   20.45
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaLaNb
_chemical_formula_sum   'Na1 La1 Nb1'
_cell_volume   83.01
_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  Na1  1  0.97  0.46  0.68  1.0
  La  La0  1  0.97  0.46  0.77  1.0
  Nb  Nb2  1  0.97  0.46  0.86  1.0

data_NaLaNb
_symmetry_space_group_name_H-M   Cm
_cell_length_a   3.94
_cell_length_b   17.16
_cell_length_c   3.15
_cell_angle_alpha   90.0
_cell_angle_beta   128.68
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   NaLaNb
_chemical_formula_sum   'Na2 La2 Nb2'
_cell_volume   166.02
_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
  Na  Na0  2  0.18  0.5  0.65  1.0
  La  La1  2  0.27  0.5  0.74  1.0
  Nb  Nb2  2  0.36  0.5  0.83  1.0

Na La Nb