data_NaTc
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.7
_cell_length_b   2.7
_cell_length_c   5.39
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaTc
_chemical_formula_sum   'Na1 Tc1'
_cell_volume   34.09
_cell_formula_units_Z   1
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  1  0.0  0.0  0.0  1.0
  Tc  Tc1  1  0.35  0.78  0.7  1.0

data_NaTc
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.7
_cell_length_b   2.7
_cell_length_c   5.39
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaTc
_chemical_formula_sum   'Na1 Tc1'
_cell_volume   34.09
_cell_formula_units_Z   1
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  1  0.0  0.0  0.0  1.0
  Tc  Tc1  1  0.35  0.78  0.7  1.0

Na Tc
Na Tc 0 1 - - - 0 1 o o - 0 1 o - - 0 0 + + o 0 0 o + o 0 0 + o o 1 1 + + o 1 1 o + o 1 1 + o o 