data_TaTcPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.47
_cell_length_b   7.21
_cell_length_c   3.09
_cell_angle_alpha   82.59
_cell_angle_beta   73.22
_cell_angle_gamma   24.19
_symmetry_Int_Tables_number   1
_chemical_formula_structural   TaTcPb
_chemical_formula_sum   'Ta1 Tc1 Pb1'
_cell_volume   61.25
_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
  Ta  Ta1  1  0.69  0.58  0.62  1.0
  Tc  Tc2  1  0.69  0.58  0.45  1.0
  Pb  Pb0  1  0.69  0.58  0.95  1.0

data_TaTcPb
_symmetry_space_group_name_H-M   Cm
_cell_length_a   3.39
_cell_length_b   14.02
_cell_length_c   3.09
_cell_angle_alpha   90.0
_cell_angle_beta   123.29
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   TaTcPb
_chemical_formula_sum   'Ta2 Tc2 Pb2'
_cell_volume   122.5
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  Ta  Ta0  2  0.1  0.0  0.68  1.0
  Tc  Tc1  2  0.27  0.0  0.85  1.0
  Pb  Pb2  2  0.27  0.5  0.35  1.0

Ta Tc Pb