data_[Na2Ac2Tc4O16]
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
  Tc  1.9000  1.3500  0.7417
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I-4]
_cell_length_a [5.4761]
_cell_length_b [5.4761]
_cell_length_c [12.1115]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [82]
_chemical_formula_structural [NaAc(TcO4)2]
_chemical_formula_sum '[Na2 Ac2 Tc4 O16]'
_cell_volume [363.1939]
_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  0.2500  1
  Ac  Ac1  2  0.0000  0.0000  0.0000  1
  Tc  Tc2  2  0.0000  0.0000  0.5000  1
  Tc  Tc3  2  0.0000  0.5000  0.7500  1
  O  O4  8  0.1353  0.7381  0.8308  1
  O  O5  8  0.1380  0.2464  0.4242  1
]