data_[Rb3Ac9As12O36]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ac  1.1000  1.9500  1.2600
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R32]
_cell_length_a [12.1503]
_cell_length_b [12.1503]
_cell_length_c [9.9836]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [155]
_chemical_formula_structural [RbAc3(AsO3)4]
_chemical_formula_sum '[Rb3 Ac9 As12 O36]'
_cell_volume [1276.4059]
_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
[
  Rb  Rb0  3  0.0000  0.0000  0.0000  1
  Ac  Ac1  9  0.0000  0.5590  0.0000  1
  As  As2  9  0.0000  0.4338  0.5000  1
  As  As3  3  0.0000  0.0000  0.5000  1
  O  O4  18  0.0244  0.2020  0.2124  1
  O  O5  9  0.0000  0.5797  0.5000  1
  O  O6  9  0.0000  0.8390  0.5000  1
]