data_[Li4Be2Si2Te8]
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
  Si  1.9000  1.1000  0.5400
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [I-4]
_cell_length_a [6.3372]
_cell_length_b [6.3372]
_cell_length_c [11.1156]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [82]
_chemical_formula_structural [Li2BeSiTe4]
_chemical_formula_sum '[Li4 Be2 Si2 Te8]'
_cell_volume [446.4026]
_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
[
  Li  Li0  2  0.0000  0.0000  0.5000  1.0
  Li  Li1  2  0.0000  0.5000  0.7500  1.0
  Be  Be2  2  0.0000  0.5000  0.2500  1.0
  Si  Si3  2  0.0000  0.0000  0.0000  1.0
  Te  Te4  8  0.2135  0.7468  0.1308  1.0
]