data_[Na2Be4Al2Te8]
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
  Al  1.6100  1.2500  0.6750
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [I-42m]
_cell_length_a [6.0876]
_cell_length_b [6.0876]
_cell_length_c [12.2077]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [121]
_chemical_formula_structural [NaBe2AlTe4]
_chemical_formula_sum '[Na2 Be4 Al2 Te8]'
_cell_volume [452.4085]
_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  0.0000  1
  Be  Be1  4  0.0000  0.5000  0.2500  1
  Al  Al2  2  0.0000  0.0000  0.5000  1
  Te  Te3  8  0.2330  0.2330  0.6432  1
]