data_[Be4Si4Te4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  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 [Ama2]
_cell_length_a [3.9256]
_cell_length_b [12.1148]
_cell_length_c [6.0023]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [40]
_chemical_formula_structural [BeSiTe]
_chemical_formula_sum '[Be4 Si4 Te4]'
_cell_volume [285.4593]
_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
[
  Be  Be0  4  0.2500  0.3074  0.2401  1
  Si  Si1  4  0.2500  0.4459  0.4861  1
  Te  Te2  4  0.2500  0.3076  0.8267  1
]