data_[Eu12Mg20Ge20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Eu  1.2000  1.8500  1.1985
  Mg  1.3100  1.5000  0.8600
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [14.4526]
_cell_length_b [4.4999]
_cell_length_c [18.3882]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Eu3(MgGe)5]
_chemical_formula_sum '[Eu12 Mg20 Ge20]'
_cell_volume [1195.8787]
_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
[
  Eu  Eu0  4  0.0880  0.7500  0.8464  1
  Eu  Eu1  4  0.1355  0.2500  0.3079  1
  Eu  Eu2  4  0.2104  0.2500  0.5085  1
  Mg  Mg3  4  0.0244  0.7500  0.5615  1
  Mg  Mg4  4  0.0370  0.2500  0.6888  1
  Mg  Mg5  4  0.0529  0.7500  0.0440  1
  Mg  Mg6  4  0.1645  0.2500  0.1288  1
  Mg  Mg7  4  0.2352  0.2500  0.7248  1
  Ge  Ge8  4  0.0791  0.7500  0.1907  1
  Ge  Ge9  4  0.0883  0.7500  0.4247  1
  Ge  Ge10  4  0.1321  0.2500  0.9829  1
  Ge  Ge11  4  0.1493  0.7500  0.6741  1
  Ge  Ge12  4  0.2442  0.2500  0.8782  1
]