data_[Ca4Eu2F16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Eu  1.2000  1.8500  1.1985
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [6.9219]
_cell_length_b [10.3305]
_cell_length_c [4.6034]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.3404]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Ca2EuF8]
_chemical_formula_sum '[Ca4 Eu2 F16]'
_cell_volume [308.6445]
_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
[
  Ca  Ca0  4  0.0080  0.3199  0.5114  1.0
  Eu  Eu1  2  0.4923  0.5000  0.1749  1.0
  F  F2  4  0.1968  0.1319  0.5702  1.0
  F  F3  4  0.2917  0.3644  0.3616  1.0
  F  F4  4  0.4893  0.2925  0.9740  1.0
  F  F5  2  0.1663  0.5000  0.7925  1.0
  F  F6  2  0.3358  0.0000  0.1981  1.0
]