data_Zn2C
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.08
_cell_length_b   3.86
_cell_length_c   7.73
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Zn2C
_chemical_formula_sum   'Zn8 C4'
_cell_volume   181.31
_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
  Zn  Zn4  1  0.2  0.96  0.21  1.0
  Zn  Zn5  1  0.84  0.89  0.08  1.0
  Zn  Zn6  1  0.24  0.96  0.65  1.0
  Zn  Zn7  1  0.88  0.89  0.52  1.0
  Zn  Zn8  1  0.32  0.96  0.41  1.0
  Zn  Zn9  1  0.8  0.89  0.54  1.0
  Zn  Zn10  1  0.28  0.96  0.19  1.0
  Zn  Zn11  1  0.76  0.89  0.32  1.0
  C  C0  1  0.38  0.96  0.0  1.0
  C  C1  1  0.65  0.89  0.14  1.0
  C  C2  1  0.42  0.96  0.59  1.0
  C  C3  1  0.69  0.89  0.73  1.0

data_Zn2C
_symmetry_space_group_name_H-M   P-1
_cell_length_a   3.86
_cell_length_b   6.08
_cell_length_c   7.73
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   Zn2C
_chemical_formula_sum   'Zn8 C4'
_cell_volume   181.31
_cell_formula_units_Z   4
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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
  Zn  Zn0  2  0.04  0.66  0.35  1.0
  Zn  Zn1  2  0.04  0.78  0.54  1.0
  Zn  Zn2  2  0.04  0.7  0.79  1.0
  Zn  Zn3  2  0.04  0.74  0.32  1.0
  C  C4  2  0.04  0.85  0.14  1.0
  C  C5  2  0.04  0.88  0.73  1.0

Zn Zn Zn Zn Zn Zn Zn Zn C C C C
Zn Zn Zn Zn Zn Zn Zn Zn C C C C 0 6 o o o 0 4 o o o 1 9 o o o 2 10 o o o 3 5 o o o 3 7 o o o 4 6 o o o 4 10 o o o 5 7 o o o 5 11 o o o 6 8 o o o 7 9 o o o 