data_[Na2Li4B2O6]
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
  B  2.0400  0.8500  0.4100
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [5.0689]
_cell_length_b [5.2178]
_cell_length_c [5.0524]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [NaLi2BO3]
_chemical_formula_sum '[Na2 Li4 B2 O6]'
_cell_volume [133.6290]
_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  0.5000  0.4464  1
  Li  Li1  4  0.0000  0.2285  0.8814  1
  B  B2  2  0.0000  0.0000  0.2972  1
  O  O3  4  0.2314  0.0000  0.1511  1
  O  O4  2  0.0000  0.0000  0.5709  1
]