data_Tc2N
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.84
_cell_length_b   2.84
_cell_length_c   9.74
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Tc2N
_chemical_formula_sum   'Tc4 N2'
_cell_volume   68.1
_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
  Tc  Tc2  1  0.0  0.64  0.92  1.0
  Tc  Tc3  1  0.0  0.64  0.69  1.0
  Tc  Tc4  1  0.42  0.82  0.05  1.0
  Tc  Tc5  1  0.42  0.82  0.82  1.0
  N  N0  1  0.42  0.82  0.3  1.0
  N  N1  1  0.0  0.64  0.43  1.0

data_Tc2N
_symmetry_space_group_name_H-M   P-1
_cell_length_a   2.84
_cell_length_b   2.84
_cell_length_c   9.74
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   Tc2N
_chemical_formula_sum   'Tc4 N2'
_cell_volume   68.1
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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
  Tc  Tc0  2  0.21  0.59  0.45  1.0
  Tc  Tc1  2  0.21  0.59  0.68  1.0
  N  N2  2  0.21  0.59  0.93  1.0

Tc Tc Tc Tc N N