data_Cr2C
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.14
_cell_length_b   4.14
_cell_length_c   4.14
_cell_angle_alpha   107.58
_cell_angle_beta   107.58
_cell_angle_gamma   113.32
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Cr2C
_chemical_formula_sum   'Cr4 C2'
_cell_volume   54.25
_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
  Cr  Cr2  1  0.85  0.59  0.0  1.0
  Cr  Cr3  1  0.59  0.85  0.27  1.0
  Cr  Cr4  1  0.29  0.85  0.0  1.0
  Cr  Cr5  1  0.15  0.59  0.27  1.0
  C  C0  1  0.0  0.0  0.41  1.0
  C  C1  1  0.0  0.0  0.14  1.0

data_Cr2C
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.14
_cell_length_b   4.14
_cell_length_c   4.14
_cell_angle_alpha   107.58
_cell_angle_beta   107.58
_cell_angle_gamma   113.32
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Cr2C
_chemical_formula_sum   'Cr4 C2'
_cell_volume   54.25
_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
  Cr  Cr0  1  0.12  0.68  0.27  1.0
  Cr  Cr1  1  0.15  0.41  0.0  1.0
  Cr  Cr2  1  0.68  0.42  0.27  1.0
  Cr  Cr3  1  0.71  0.15  0.0  1.0
  C  C4  1  0.14  0.14  0.14  1.0
  C  C5  1  0.41  0.41  0.41  1.0

Cr Cr Cr Cr C C