data_[Na2Ac8Rh4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ac  1.1000  1.9500  1.2600
  Rh  2.2800  1.3500  0.7450
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.3226]
_cell_length_b [4.3664]
_cell_length_c [7.5363]
_cell_angle_alpha [90.0000]
_cell_angle_beta [95.9812]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na(Ac2Rh)2]
_chemical_formula_sum '[Na2 Ac8 Rh4]'
_cell_volume [599.6562]
_cell_formula_units_Z [2]
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
[
  Na  Na0  2  0.0000  0.5000  0.5000  1
  Ac  Ac1  4  0.1618  0.5000  0.8951  1
  Ac  Ac2  4  0.1646  0.0000  0.3942  1
  Rh  Rh3  4  0.2489  0.0000  0.7523  1
]