data_[Na3Sr3Ac6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  Ac  1.1000  1.9500  1.2600
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [3.9803]
_cell_length_b [3.9803]
_cell_length_c [39.7440]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [NaSrAc2]
_chemical_formula_sum '[Na3 Sr3 Ac6]'
_cell_volume [545.2942]
_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
[
  Na  Na0  3  0.0000  0.0000  0.6668  1
  Sr  Sr1  3  0.0000  0.0000  0.4999  1
  Ac  Ac2  3  0.0000  0.0000  0.0815  1
  Ac  Ac3  3  0.0000  0.0000  0.2518  1
]