data_[Tm4Si2Ge2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Si  1.9000  1.1000  0.5400
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.6472]
_cell_length_b [3.8578]
_cell_length_c [8.2037]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.7367]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Tm2SiGe]
_chemical_formula_sum '[Tm4 Si2 Ge2]'
_cell_volume [170.2284]
_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
[
  Tm  Tm0  2  0.2049  0.7500  0.4283  1
  Tm  Tm1  2  0.2871  0.2500  0.0677  1
  Si  Si2  2  0.1270  0.7500  0.7909  1
  Ge  Ge3  2  0.3745  0.2500  0.7088  1
]