# generated using pymatgen
data_NaNb2O4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.14026596
_cell_length_b   5.92468104
_cell_length_c   12.03050335
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaNb2O4
_chemical_formula_sum   'Na4 Nb8 O16'
_cell_volume   366.38219761
_cell_formula_units_Z   4
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  0.81186987  0.25000000  0.00386486  1.0
  Na  Na1  1  0.81186987  0.75000000  0.49613514  1.0
  Na  Na2  1  0.18813013  0.25000000  0.50386486  1.0
  Na  Na3  1  0.18813013  0.75000000  0.99613514  1.0
  Nb  Nb4  1  0.65493248  0.00000000  0.25000000  1.0
  Nb  Nb5  1  0.65493248  0.50000000  0.25000000  1.0
  Nb  Nb6  1  0.83836184  0.25000000  0.74709452  1.0
  Nb  Nb7  1  0.83836184  0.75000000  0.75290548  1.0
  Nb  Nb8  1  0.16163816  0.25000000  0.24709452  1.0
  Nb  Nb9  1  0.16163816  0.75000000  0.25290548  1.0
  Nb  Nb10  1  0.34506752  0.00000000  0.75000000  1.0
  Nb  Nb11  1  0.34506752  0.50000000  0.75000000  1.0
  O  O12  1  0.50374549  0.25000000  0.64609388  1.0
  O  O13  1  0.50374549  0.75000000  0.85390612  1.0
  O  O14  1  0.51249359  0.25000000  0.85163396  1.0
  O  O15  1  0.51249359  0.75000000  0.64836604  1.0
  O  O16  1  0.98996598  0.50253290  0.14589129  1.0
  O  O17  1  0.98996598  0.99746710  0.14589129  1.0
  O  O18  1  0.98996598  0.00253290  0.35410871  1.0
  O  O19  1  0.98996598  0.49746710  0.35410871  1.0
  O  O20  1  0.01003402  0.50253290  0.64589129  1.0
  O  O21  1  0.01003402  0.00253290  0.85410871  1.0
  O  O22  1  0.01003402  0.49746710  0.85410871  1.0
  O  O23  1  0.01003402  0.99746710  0.64589129  1.0
  O  O24  1  0.48750641  0.75000000  0.14836604  1.0
  O  O25  1  0.48750641  0.25000000  0.35163396  1.0
  O  O26  1  0.49625451  0.25000000  0.14609388  1.0
  O  O27  1  0.49625451  0.75000000  0.35390612  1.0