data_[Li8Be4O4F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Be  1.5700  1.0500  0.5900
  O  3.4400  0.6000  1.2600
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [8.9149]
_cell_length_b [5.2637]
_cell_length_c [4.7557]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Li2BeOF2]
_chemical_formula_sum '[Li8 Be4 O4 F8]'
_cell_volume [223.1633]
_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
[
  Li  Li0  8  0.1565  0.3220  0.6934  1
  Be  Be1  4  0.0000  0.1309  0.1750  1
  O  O2  4  0.0000  0.1216  0.8474  1
  F  F3  8  0.1470  0.3186  0.2820  1
]