data_CuSi2Tc
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.84
_cell_length_b   4.47
_cell_length_c   4.2
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CuSi2Tc
_chemical_formula_sum   'Cu1 Si2 Tc1'
_cell_volume   53.29
_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
  Cu  Cu0  1  0.0  0.24  0.08  1.0
  Si  Si1  1  0.0  0.0  0.14  1.0
  Si  Si2  1  0.42  0.24  0.22  1.0
  Tc  Tc3  1  0.42  0.0  0.06  1.0

data_CuSi2Tc
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.84
_cell_length_b   4.2
_cell_length_c   4.47
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CuSi2Tc
_chemical_formula_sum   'Cu1 Si2 Tc1'
_cell_volume   53.29
_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
  Si  Si0  1  0.0  0.86  0.0  1.0
  Cu  Cu1  1  0.0  0.92  0.76  1.0
  Si  Si2  1  0.58  0.78  0.76  1.0
  Tc  Tc3  1  0.58  0.94  0.0  1.0

Cu Si Si Tc