data_[Ac2B6C6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  B  2.0400  0.8500  0.4100
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [P6_3/m]
_cell_length_a [7.8272]
_cell_length_b [7.8272]
_cell_length_c [2.9097]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [176]
_chemical_formula_structural [Ac(BC)3]
_chemical_formula_sum '[Ac2 B6 C6]'
_cell_volume [154.3779]
_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
[
  Ac  Ac0  2  0.3333  0.6667  0.7500  1
  B  B1  6  0.0254  0.2820  0.2500  1
  C  C2  6  0.0833  0.7536  0.2500  1
]