data_Ta2TcPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.26
_cell_length_b   5.26
_cell_length_c   5.26
_cell_angle_alpha   134.2
_cell_angle_beta   134.2
_cell_angle_gamma   66.77
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ta2TcPb
_chemical_formula_sum   'Ta2 Tc1 Pb1'
_cell_volume   73.76
_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  0.0  0.0  0.4  1.0
  Ta  Ta2  1  0.0  0.05  0.2  1.0
  Tc  Tc3  1  0.0  0.0  0.0  1.0
  Pb  Pb0  1  0.05  0.0  0.2  1.0

data_Ta2TcPb
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.1
_cell_length_b   4.1
_cell_length_c   5.26
_cell_angle_alpha   112.9
_cell_angle_beta   112.9
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ta2TcPb
_chemical_formula_sum   'Ta2 Tc1 Pb1'
_cell_volume   73.76
_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  Ta0  1  0.6  0.0  0.6  1.0
  Ta  Ta1  1  0.85  0.05  0.85  1.0
  Tc  Tc2  1  0.0  0.0  0.0  1.0
  Pb  Pb3  1  0.8  0.0  0.85  1.0

Ta Ta Tc Pb