data_[Na8Li4Be4Sb8]
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
  Be  1.5700  1.0500  0.5900
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [6.1330]
_cell_length_b [14.8309]
_cell_length_c [6.1302]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Na2LiBeSb2]
_chemical_formula_sum '[Na8 Li4 Be4 Sb8]'
_cell_volume [557.5906]
_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  8  0.2261  0.1765  0.5000  1.0
  Li  Li1  4  0.0000  0.0000  0.2500  1.0
  Be  Be2  4  0.0000  0.5000  0.2500  1.0
  Sb  Sb3  8  0.2174  0.6049  0.0000  1.0
]