data_[Mn18Ge12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mn  1.5500  1.4000  0.6483
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [5.0708]
_cell_length_b [5.0708]
_cell_length_c [18.4718]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Mn3Ge2]
_chemical_formula_sum '[Mn18 Ge12]'
_cell_volume [411.3248]
_cell_formula_units_Z [6]
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
[
  Mn  Mn0  18  0.0018  0.5009  0.1094  1
  Ge  Ge1  6  0.0000  0.0000  0.1081  1
  Ge  Ge2  6  0.0000  0.0000  0.3335  1
]