data_[Si4Tc4Ge2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Si  1.9000  1.1000  0.5400
  Tc  1.9000  1.3500  0.7417
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [6.8583]
_cell_length_b [6.8583]
_cell_length_c [3.1038]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Si2Tc2Ge]
_chemical_formula_sum '[Si4 Tc4 Ge2]'
_cell_volume [145.9930]
_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
[
  Si  Si0  4  0.1356  0.6356  0.5000  1
  Tc  Tc1  4  0.1577  0.3423  0.0000  1
  Ge  Ge2  2  0.0000  0.0000  0.0000  1
]