data_TaTc2Se
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.26
_cell_length_b   8.26
_cell_length_c   8.26
_cell_angle_alpha   21.46
_cell_angle_beta   21.46
_cell_angle_gamma   21.46
_symmetry_Int_Tables_number   1
_chemical_formula_structural   TaTc2Se
_chemical_formula_sum   'Ta1 Tc2 Se1'
_cell_volume   66.13
_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  0.1  1.0
  Tc  Tc2  1  0.0  0.0  0.06  1.0
  Tc  Tc3  1  0.0  0.0  0.15  1.0
  Se  Se0  1  0.0  0.0  0.0  1.0

data_TaTc2Se
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.33
_cell_length_b   3.08
_cell_length_c   8.26
_cell_angle_alpha   90.0
_cell_angle_beta   102.41
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   TaTc2Se
_chemical_formula_sum   'Ta2 Tc4 Se2'
_cell_volume   132.26
_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  0.9  1.0
  Tc  Tc1  2  -0.0  0.0  0.85  1.0
  Tc  Tc2  2  -0.0  0.0  0.94  1.0
  Se  Se3  2  0.0  0.0  0.0  1.0

Ta Tc Tc Se