data_[Na2Nb2Pd2Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Nb  1.6000  1.4500  0.8200
  Pd  2.2000  1.4000  0.8462
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.6855]
_cell_length_b [3.6911]
_cell_length_c [9.7651]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.9053]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaNbPdSe3]
_chemical_formula_sum '[Na2 Nb2 Pd2 Se6]'
_cell_volume [262.0689]
_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
[
  Na  Na0  2  0.2603  0.2500  0.2954  1.0
  Nb  Nb1  2  0.2929  0.7500  0.8230  1.0
  Pd  Pd2  2  0.0737  0.2500  0.6173  1.0
  Se  Se3  2  0.0798  0.2500  0.8737  1.0
  Se  Se4  2  0.2789  0.7500  0.5584  1.0
  Se  Se5  2  0.4344  0.7500  0.1239  1.0
]