data_Ga2C
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.52
_cell_length_b   5.52
_cell_length_c   4.65
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ga2C
_chemical_formula_sum   'Ga6 C3'
_cell_volume   122.76
_cell_formula_units_Z   3
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
  Ga  Ga3  1  0.01  0.75  0.61  1.0
  Ga  Ga4  1  0.5  0.0  0.61  1.0
  Ga  Ga5  1  0.25  0.04  0.61  1.0
  Ga  Ga6  1  0.99  0.75  0.04  1.0
  Ga  Ga7  1  0.01  0.0  0.04  1.0
  Ga  Ga8  1  0.75  0.04  0.04  1.0
  C  C0  1  0.0  0.0  0.0  1.0
  C  C1  1  0.0  0.19  0.33  1.0
  C  C2  1  0.76  0.59  0.33  1.0

data_Ga2C
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.65
_cell_length_b   5.52
_cell_length_c   5.52
_cell_angle_alpha   120.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ga2C
_chemical_formula_sum   'Ga6 C3'
_cell_volume   122.76
_cell_formula_units_Z   3
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
  Ga  Ga0  1  0.04  0.01  0.0  1.0
  Ga  Ga1  1  0.04  0.75  0.04  1.0
  Ga  Ga2  1  0.04  0.99  0.75  1.0
  Ga  Ga3  1  0.61  0.01  0.75  1.0
  Ga  Ga4  1  0.61  0.25  0.04  1.0
  Ga  Ga5  1  0.61  0.5  0.0  1.0
  C  C6  1  0.0  0.0  0.0  1.0
  C  C7  1  0.33  0.0  0.19  1.0
  C  C8  1  0.33  0.76  0.59  1.0

Ga Ga Ga Ga Ga Ga C C C
Ga Ga Ga Ga Ga Ga C C C 0 8 - o o 0 2 o + o 1 2 o o o 3 6 + + o 3 4 + + o 3 8 o o o 4 6 o o o 4 5 - o o 4 7 o o o 5 6 + o o 5 7 + o o 6 7 o o o 