data_ReTc
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.24
_cell_length_b   5.24
_cell_length_c   4.79
_cell_angle_alpha   117.18
_cell_angle_beta   117.18
_cell_angle_gamma   30.57
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ReTc
_chemical_formula_sum   'Re2 Tc2'
_cell_volume   59.04
_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
  Re  Re0  1  0.63  0.0  0.28  1.0
  Re  Re1  1  0.22  0.0  0.94  1.0
  Tc  Tc2  1  0.69  0.0  0.18  1.0
  Tc  Tc3  1  0.15  0.0  0.04  1.0

data_ReTc
_symmetry_space_group_name_H-M   P-1
_cell_length_a   2.76
_cell_length_b   4.79
_cell_length_c   5.24
_cell_angle_alpha   117.18
_cell_angle_beta   105.29
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   ReTc
_chemical_formula_sum   'Re2 Tc2'
_cell_volume   59.04
_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  0.0  0.07  0.27  1.0
  Re  Re1  2  0.0  0.17  0.21  1.0

Re Re Tc Tc