data_[Na2Be4Cu2F16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Be  1.5700  1.0500  0.5900
  Cu  1.9000  1.3500  0.8200
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.8421]
_cell_length_b [5.2916]
_cell_length_c [6.9717]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.5504]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [NaBe2CuF8]
_chemical_formula_sum '[Na2 Be4 Cu2 F16]'
_cell_volume [289.2900]
_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
[
  Na  Na0  2  0.0000  0.0000  0.5000  1.0
  Be  Be1  4  0.1403  0.5000  0.7796  1.0
  Cu  Cu2  2  0.0000  0.0000  0.0000  1.0
  F  F3  8  0.0228  0.2523  0.7989  1.0
  F  F4  4  0.2195  0.5000  0.5877  1.0
  F  F5  4  0.2399  0.0000  0.0385  1.0
]