data_[Na2Tc2Pb2O8]
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
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.4687]
_cell_length_b [5.7836]
_cell_length_c [8.1257]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.2275]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaTcPbO4]
_chemical_formula_sum '[Na2 Tc2 Pb2 O8]'
_cell_volume [245.4769]
_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  0.3355  0.7500  0.3682  1
  Tc  Tc1  2  0.0135  0.7500  0.6667  1
  Pb  Pb2  2  0.2337  0.2500  0.9893  1
  O  O3  4  0.0738  0.0307  0.1803  1
  O  O4  2  0.2206  0.2500  0.5343  1
  O  O5  2  0.3445  0.7500  0.6927  1
]