data_Tc2IrW
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.81
_cell_length_b   4.81
_cell_length_c   4.81
_cell_angle_alpha   132.33
_cell_angle_beta   132.33
_cell_angle_gamma   69.71
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Tc2IrW
_chemical_formula_sum   'Tc2 Ir1 W1'
_cell_volume   59.73
_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
  Tc  Tc1  1  0.94  0.0  0.97  1.0
  Tc  Tc2  1  0.0  0.94  0.97  1.0
  Ir  Ir0  1  0.0  0.0  0.95  1.0
  W  W3  1  0.0  0.0  0.0  1.0

data_Tc2IrW
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.5
_cell_length_b   5.5
_cell_length_c   4.81
_cell_angle_alpha   90.0
_cell_angle_beta   124.85
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Tc2IrW
_chemical_formula_sum   'Tc4 Ir2 W2'
_cell_volume   119.46
_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
  Tc  Tc0  4  0.03  0.03  0.03  1.0
  Ir  Ir1  2  0.0  0.0  0.95  1.0
  W  W2  2  0.0  0.0  0.0  1.0

Tc Tc Ir W
Tc Tc Ir W 0 3 + o + 1 3 o + + 2 3 o o + 