data_[Y2N2F4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  N  3.0400  0.6500  0.6300
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [3.5207]
_cell_length_b [5.9341]
_cell_length_c [6.1413]
_cell_angle_alpha [69.1531]
_cell_angle_beta [89.6859]
_cell_angle_gamma [84.0572]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [YNF2]
_chemical_formula_sum '[Y2 N2 F4]'
_cell_volume [119.1932]
_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
[
  Y  Y0  2  0.2738  0.3544  0.3024  1
  N  N1  2  0.1482  0.9445  0.4789  1
  F  F2  2  0.2200  0.6735  0.9409  1
  F  F3  2  0.2702  0.3977  0.6633  1
]