data_[Ac6Tc18O72]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3c]
_cell_length_a [9.1431]
_cell_length_b [9.1431]
_cell_length_c [28.7256]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [161]
_chemical_formula_structural [Ac(TcO4)3]
_chemical_formula_sum '[Ac6 Tc18 O72]'
_cell_volume [2079.6284]
_cell_formula_units_Z [6]
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  6  0.0000  0.0000  0.0599  1
  Tc  Tc1  18  0.0066  0.3578  0.3325  1
  O  O2  18  0.0057  0.4630  0.3834  1
  O  O3  18  0.0620  0.2266  0.6200  1
  O  O4  18  0.0905  0.5279  0.0089  1
  O  O5  18  0.1025  0.5435  0.6561  1
]