data_CrC3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.89
_cell_length_b   3.89
_cell_length_c   3.62
_cell_angle_alpha   116.45
_cell_angle_beta   116.45
_cell_angle_gamma   39.29
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CrC3
_chemical_formula_sum   'Cr1 C3'
_cell_volume   30.54
_cell_formula_units_Z   1
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  Cr3  1  0.8  0.0  0.6  1.0
  C  C0  1  0.0  0.0  0.0  1.0
  C  C1  1  0.85  0.0  0.97  1.0
  C  C2  1  0.76  0.0  0.23  1.0

data_CrC3
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.61
_cell_length_b   3.62
_cell_length_c   3.89
_cell_angle_alpha   116.45
_cell_angle_beta   109.65
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CrC3
_chemical_formula_sum   'Cr1 C3'
_cell_volume   30.54
_cell_formula_units_Z   1
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  0.0  0.6  0.8  1.0
  C  C1  1  0.0  0.0  0.0  1.0
  C  C2  1  0.0  0.23  0.76  1.0
  C  C3  1  0.0  0.97  0.85  1.0

Cr C C C
Cr C C C 0 3 o o o 0 1 + o + 0 2 o o o 1 2 - o - 2 3 o o + 