data_[Gd2Zn2Ge6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Gd  1.2000  1.8000  1.0750
  Zn  1.6500  1.3500  0.8800
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [4.7672]
_cell_length_b [4.7672]
_cell_length_c [9.0704]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [GdZnGe3]
_chemical_formula_sum '[Gd2 Zn2 Ge6]'
_cell_volume [206.1352]
_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
[
  Gd  Gd0  2  0.0000  0.0000  0.6407  1
  Zn  Zn1  2  0.0000  0.0000  0.0002  1
  Ge  Ge2  4  0.0000  0.5000  0.3902  1
  Ge  Ge3  2  0.0000  0.0000  0.2698  1
]