data_[Na4Tc8O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Tc  1.9000  1.3500  0.7417
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cc]
_cell_length_a [7.2833]
_cell_length_b [9.5225]
_cell_length_c [5.7778]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.6877]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [9]
_chemical_formula_structural [Na(TcO2)2]
_chemical_formula_sum '[Na4 Tc8 O16]'
_cell_volume [364.0905]
_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
[
  Na  Na0  4  0.3340  0.4019  0.5200  1
  Tc  Tc1  4  0.1858  0.2223  0.8564  1
  Tc  Tc2  4  0.3500  0.0334  0.1629  1
  O  O3  4  0.1324  0.0113  0.7957  1
  O  O4  4  0.1435  0.4259  0.7771  1
  O  O5  4  0.3488  0.1784  0.6802  1
  O  O6  4  0.3806  0.2592  0.2077  1
]