data_[Ac4Tc4C8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Tc  1.9000  1.3500  0.7417
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [6.7356]
_cell_length_b [6.7556]
_cell_length_c [5.7260]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.6698]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [AcTcC2]
_chemical_formula_sum '[Ac4 Tc4 C8]'
_cell_volume [252.0555]
_cell_formula_units_Z [4]
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  4  0.1658  0.5908  0.8079  1
  Tc  Tc1  4  0.3863  0.1632  0.8436  1
  C  C2  4  0.1610  0.2387  0.0384  1
  C  C3  4  0.4584  0.6081  0.2573  1
]