data_[Ca4Cr4F20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Cr  1.6600  1.4000  0.9400
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.0954]
_cell_length_b [6.5753]
_cell_length_c [7.6802]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.1091]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [CaCrF5]
_chemical_formula_sum '[Ca4 Cr4 F20]'
_cell_volume [415.9104]
_cell_formula_units_Z [4]
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  0.0000  0.4579  0.7500  1.0
  Cr  Cr1  4  0.0000  0.0000  0.0000  1.0
  F  F2  8  0.0115  0.2938  0.4714  1.0
  F  F3  8  0.2313  0.0209  0.1195  1.0
  F  F4  4  0.0000  0.0770  0.7500  1.0
]