data_[Na2La2F8]
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
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [4.6321]
_cell_length_b [7.5422]
_cell_length_c [6.9057]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.2273]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaLaF4]
_chemical_formula_sum '[Na2 La2 F8]'
_cell_volume [231.6524]
_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  0.2431  0.7500  0.0496  1
  La  La1  2  0.4369  0.2500  0.3851  1
  F  F2  4  0.3777  0.5643  0.3176  1
  F  F3  2  0.0928  0.7500  0.6832  1
  F  F4  2  0.2939  0.2500  0.0387  1
]