data_[Na6Nb4Tc2N12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Nb  1.6000  1.4500  0.8200
  Tc  1.9000  1.3500  0.7417
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [5.3816]
_cell_length_b [9.3199]
_cell_length_c [5.9965]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.4149]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na3Nb2TcN6]
_chemical_formula_sum '[Na6 Nb4 Tc2 N12]'
_cell_volume [286.9715]
_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  4  0.0000  0.1654  0.5000  1
  Na  Na1  2  0.0000  0.5000  0.5000  1
  Nb  Nb2  4  0.0000  0.3333  0.0000  1
  Tc  Tc3  2  0.0000  0.0000  0.0000  1
  N  N4  8  0.2314  0.1655  0.1976  1
  N  N5  4  0.2348  0.5000  0.1974  1
]