data_[Na4Yb2Gd2F16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Yb  1.1000  1.7500  1.0840
  Gd  1.2000  1.8000  1.0750
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [I-4m2]
_cell_length_a [5.4934]
_cell_length_b [5.4934]
_cell_length_c [10.8382]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [119]
_chemical_formula_structural [Na2YbGdF8]
_chemical_formula_sum '[Na4 Yb2 Gd2 F16]'
_cell_volume [327.0734]
_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  0.0000  0.0000  0.5000  1.0
  Na  Na1  2  0.0000  0.5000  0.2500  1.0
  Yb  Yb2  2  0.0000  0.0000  0.0000  1.0
  Gd  Gd3  2  0.0000  0.5000  0.7500  1.0
  F  F4  16  0.2334  0.2521  0.8742  1.0
]