data_[Rb4Na4Ac8Te16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Na  0.9300  1.8000  1.1600
  Ac  1.1000  1.9500  1.2600
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [9.6587]
_cell_length_b [9.8606]
_cell_length_c [13.8296]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [RbNa(AcTe2)2]
_chemical_formula_sum '[Rb4 Na4 Ac8 Te16]'
_cell_volume [1317.1405]
_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
[
  Rb  Rb0  4  0.2500  0.2500  0.7500  1
  Na  Na1  4  0.0000  0.0000  0.0000  1
  Ac  Ac2  4  0.0000  0.0000  0.5000  1
  Ac  Ac3  4  0.2500  0.2500  0.2500  1
  Te  Te4  8  0.0000  0.0189  0.2563  1
  Te  Te5  8  0.2404  0.2500  0.4912  1
]