data_Ge2C
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.65
_cell_length_b   6.09
_cell_length_c   3.12
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ge2C
_chemical_formula_sum   'Ge4 C2'
_cell_volume   88.38
_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
  Ge  Ge2  1  0.06  0.81  0.0  1.0
  Ge  Ge3  1  0.59  0.28  0.0  1.0
  Ge  Ge4  1  0.39  0.32  0.56  1.0
  Ge  Ge5  1  0.26  0.77  0.56  1.0
  C  C0  1  0.0  0.0  0.0  1.0
  C  C1  1  0.33  0.04  0.56  1.0

data_Ge2C
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.12
_cell_length_b   4.65
_cell_length_c   6.09
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ge2C
_chemical_formula_sum   'Ge4 C2'
_cell_volume   88.38
_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
  Ge  Ge0  1  -0.0  0.06  0.81  1.0
  Ge  Ge1  1  -0.0  0.59  0.28  1.0
  Ge  Ge2  1  0.56  0.26  0.77  1.0
  Ge  Ge3  1  0.56  0.39  0.32  1.0
  C  C4  1  0.0  0.0  0.0  1.0
  C  C5  1  0.56  0.33  0.04  1.0

Ge Ge Ge Ge C C