data_[Al2Cu4F12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Al  1.6100  1.2500  0.6750
  Cu  1.9000  1.3500  0.8200
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Pnnm]
_cell_length_a [4.9786]
_cell_length_b [5.4574]
_cell_length_c [8.4468]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [58]
_chemical_formula_structural [AlCu2F6]
_chemical_formula_sum '[Al2 Cu4 F12]'
_cell_volume [229.5034]
_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
[
  Al  Al0  2  0.0000  0.0000  0.5000  1
  Cu  Cu1  4  0.0000  0.5000  0.3054  1
  F  F2  8  0.2193  0.1217  0.3454  1
  F  F3  4  0.1673  0.6971  0.5000  1
]