data_[Yb1Eu1F4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Yb  1.1000  1.7500  1.0840
  Eu  1.2000  1.8500  1.1985
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [3.7432]
_cell_length_b [3.7432]
_cell_length_c [5.2998]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [YbEuF4]
_chemical_formula_sum '[Yb1 Eu1 F4]'
_cell_volume [74.2601]
_cell_formula_units_Z [1]
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
[
  Yb  Yb0  1  0.0000  0.0000  0.0000  1
  Eu  Eu1  1  0.5000  0.5000  0.5000  1
  F  F2  4  0.0000  0.5000  0.2404  1
]