data_[Be4Te2Br2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Be  1.5700  1.0500  0.5900
  Te  2.1000  1.4000  1.2933
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Cmm2]
_cell_length_a [3.7758]
_cell_length_b [7.7065]
_cell_length_c [7.2635]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [35]
_chemical_formula_structural [Be2TeBr]
_chemical_formula_sum '[Be4 Te2 Br2]'
_cell_volume [211.3577]
_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  0.0000  0.0335  1
  Be  Be1  2  0.0000  0.5000  0.1973  1
  Te  Te2  2  0.0000  0.5000  0.8570  1
  Br  Br3  2  0.0000  0.0000  0.4122  1
]