data_[Na4Li4Cu4F16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Li  0.9800  1.4500  0.9000
  Cu  1.9000  1.3500  0.8200
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [6.4420]
_cell_length_b [6.6730]
_cell_length_c [8.0115]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [NaLiCuF4]
_chemical_formula_sum '[Na4 Li4 Cu4 F16]'
_cell_volume [344.3967]
_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
[
  Na  Na0  4  0.0000  0.2500  0.6396  1.0
  Li  Li1  4  0.2500  0.2500  0.2500  1.0
  Cu  Cu2  4  0.0000  0.0000  0.0000  1.0
  F  F3  8  0.0000  0.0426  0.2346  1.0
  F  F4  8  0.2105  0.2500  0.9976  1.0
]