data_[Ac6Tb3Nd3S18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Tb  1.1000  1.7500  0.9815
  Nd  1.1400  1.8500  1.2765
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [7.3450]
_cell_length_b [7.3450]
_cell_length_c [18.8964]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Ac2TbNdS6]
_chemical_formula_sum '[Ac6 Tb3 Nd3 S18]'
_cell_volume [882.8530]
_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
[
  Ac  Ac0  3  0.0000  0.0000  0.4720  1
  Tb  Tb1  3  0.0000  0.0000  0.6846  1
  Ac  Ac2  3  0.0000  0.0000  0.9733  1
  Nd  Nd3  3  0.0000  0.0000  0.1866  1
  S  S4  9  0.0584  0.3531  0.7529  1
  S  S5  9  0.0618  0.6974  0.2544  1
]