data_[Na2La2Y2Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  La  1.1000  1.9500  1.1720
  Y  1.2200  1.8000  1.0400
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [8.4518]
_cell_length_b [4.1824]
_cell_length_c [9.2771]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.2984]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaLaYSe3]
_chemical_formula_sum '[Na2 La2 Y2 Se6]'
_cell_volume [316.3078]
_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  0.0969  0.7500  0.5851  1
  La  La1  2  0.2042  0.7500  0.2278  1
  Y  Y2  2  0.3322  0.2500  0.8475  1
  Se  Se3  2  0.0951  0.7500  0.8779  1
  Se  Se4  2  0.2572  0.2500  0.4954  1
  Se  Se5  2  0.4415  0.2500  0.1684  1
]