data_[Rb4Ac4F56]
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
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [8.7734]
_cell_length_b [10.4450]
_cell_length_c [12.2994]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [RbAcF14]
_chemical_formula_sum '[Rb4 Ac4 F56]'
_cell_volume [1127.0925]
_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  0.0000  0.2500  0.5658  1
  Ac  Ac1  4  0.2500  0.2500  0.2500  1
  F  F2  16  0.1935  0.3866  0.7923  1
  F  F3  16  0.2171  0.1155  0.4194  1
  F  F4  8  0.0000  0.1017  0.3579  1
  F  F5  8  0.0000  0.1252  0.1905  1
  F  F6  8  0.0000  0.1817  0.9471  1
]