data_[Ge8B4Se4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ge  2.0100  1.2500  0.7700
  B  2.0400  0.8500  0.4100
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [I-42d]
_cell_length_a [5.5152]
_cell_length_b [5.5152]
_cell_length_c [10.0687]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [122]
_chemical_formula_structural [Ge2BSe]
_chemical_formula_sum '[Ge8 B4 Se4]'
_cell_volume [306.2674]
_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
[
  Ge  Ge0  8  0.1624  0.2500  0.6250  1
  B  B1  4  0.0000  0.0000  0.5000  1
  Se  Se2  4  0.0000  0.0000  0.0000  1
]