data_[Ce4Si2Ge2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Si  1.9000  1.1000  0.5400
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [3.9541]
_cell_length_b [5.8916]
_cell_length_c [8.2096]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [Ce2SiGe]
_chemical_formula_sum '[Ce4 Si2 Ge2]'
_cell_volume [191.2507]
_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
[
  Ce  Ce0  2  0.0000  0.1337  0.6810  1.0
  Ce  Ce1  2  0.5000  0.3626  0.3197  1.0
  Si  Si2  2  0.5000  0.1199  0.9627  1.0
  Ge  Ge3  2  0.0000  0.3779  0.0365  1.0
]