data_[Be2Si4Te2]
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 [Imm2]
_cell_length_a [3.6982]
_cell_length_b [5.6920]
_cell_length_c [7.3072]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [BeSi2Te]
_chemical_formula_sum '[Be2 Si4 Te2]'
_cell_volume [153.8181]
_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
[
  Be  Be0  2  0.0000  0.5000  0.2852  1
  Si  Si1  2  0.0000  0.0000  0.9757  1
  Si  Si2  2  0.0000  0.5000  0.6895  1
  Te  Te3  2  0.0000  0.0000  0.5496  1
]