data_Re2Tc
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.78
_cell_length_b   4.78
_cell_length_c   4.78
_cell_angle_alpha   146.46
_cell_angle_beta   131.8
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Re2Tc
_chemical_formula_sum   'Re2 Tc1'
_cell_volume   44.67
_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
  Re  Re0  1  0.0  0.0  0.76  1.0
  Re  Re1  1  0.0  0.0  0.52  1.0
  Tc  Tc2  1  0.0  0.0  0.0  1.0

data_Re2Tc
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.76
_cell_length_b   3.91
_cell_length_c   4.78
_cell_angle_alpha   114.1
_cell_angle_beta   106.77
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Re2Tc
_chemical_formula_sum   'Re2 Tc1'
_cell_volume   44.67
_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
  Tc  Tc0  1  0.0  0.0  0.0  1.0
  Re  Re1  1  0.24  0.24  0.24  1.0
  Re  Re2  1  0.48  0.48  0.48  1.0

Re Re Tc
Re Re Tc 0 1 o o o 0 2 o o + 