data_[Cu4C1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cu  1.9000  1.3500  0.8200
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [2.6076]
_cell_length_b [2.6076]
_cell_length_c [9.7525]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Cu4C]
_chemical_formula_sum '[Cu4 C1]'
_cell_volume [57.4301]
_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
[
  Cu  Cu0  2  0.3333  0.6667  0.1431  1
  Cu  Cu1  2  0.3333  0.6667  0.3942  1
  C  C2  1  0.0000  0.0000  0.0000  1
]