data_Ta(TlTc)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.53
_cell_length_b   7.53
_cell_length_c   7.53
_cell_angle_alpha   150.43
_cell_angle_beta   150.43
_cell_angle_gamma   42.31
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ta(TlTc)2
_chemical_formula_sum   'Ta1 Tl2 Tc2'
_cell_volume   103.85
_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  0.0  0.0  0.0  1.0
  Tl  Tl3  1  0.0  0.92  0.51  1.0
  Tl  Tl4  1  0.92  0.0  0.51  1.0
  Tc  Tc1  1  0.0  0.0  0.18  1.0
  Tc  Tc2  1  0.0  0.0  0.87  1.0

data_Ta(TlTc)2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.44
_cell_length_b   5.44
_cell_length_c   7.53
_cell_angle_alpha   90.0
_cell_angle_beta   111.15
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Ta(TlTc)2
_chemical_formula_sum   'Ta2 Tl4 Tc4'
_cell_volume   207.71
_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  0.0  0.0  0.0  1.0
  Tl  Tl1  4  0.46  0.46  0.41  1.0
  Tc  Tc2  2  0.0  0.0  0.13  1.0
  Tc  Tc3  2  0.0  0.0  0.82  1.0

Ta Tl Tl Tc Tc
Ta Tl Tl Tc Tc 0 4 o o - 0 3 o o o 1 2 - + o 