data_[Ac6Tm3U3Se18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Tm  1.2500  1.7500  1.0950
  U  1.3800  1.7500  0.9913
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [7.5794]
_cell_length_b [7.5794]
_cell_length_c [19.5995]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Ac2TmUSe6]
_chemical_formula_sum '[Ac6 Tm3 U3 Se18]'
_cell_volume [975.0968]
_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  0.4743  1
  Ac  Ac1  3  0.0000  0.0000  0.9737  1
  Tm  Tm2  3  0.0000  0.0000  0.6808  1
  U  U3  3  0.0000  0.0000  0.1809  1
  Se  Se4  9  0.0588  0.3456  0.7537  1
  Se  Se5  9  0.0641  0.7095  0.2559  1
]