data_[Al3Cr6C3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Al  1.6100  1.2500  0.6750
  Cr  1.6600  1.4000  0.9400
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [2.8423]
_cell_length_b [2.8423]
_cell_length_c [19.0959]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [AlCr2C]
_chemical_formula_sum '[Al3 Cr6 C3]'
_cell_volume [133.6021]
_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
[
  Al  Al0  3  0.0000  0.0000  0.4994  1
  Cr  Cr1  3  0.0000  0.0000  0.0566  1
  Cr  Cr2  3  0.0000  0.0000  0.2772  1
  C  C3  3  0.0000  0.0000  0.6669  1
]