data_[Ge5C5]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ge  2.0100  1.2500  0.7700
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [P3m1]
_cell_length_a [3.2525]
_cell_length_b [3.2525]
_cell_length_c [13.3178]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [GeC]
_chemical_formula_sum '[Ge5 C5]'
_cell_volume [122.0088]
_cell_formula_units_Z [5]
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
[
  Ge  Ge0  1  0.0000  0.0000  0.4004  1
  Ge  Ge1  1  0.0000  0.0000  0.9996  1
  Ge  Ge2  1  0.3333  0.6667  0.1998  1
  Ge  Ge3  1  0.3333  0.6667  0.6003  1
  Ge  Ge4  1  0.6667  0.3333  0.7999  1
  C  C5  1  0.0000  0.0000  0.2501  1
  C  C6  1  0.0000  0.0000  0.8499  1
  C  C7  1  0.3333  0.6667  0.0495  1
  C  C8  1  0.3333  0.6667  0.4506  1
  C  C9  1  0.6667  0.3333  0.6501  1
]