data_Zr2NbTc
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.18
_cell_length_b   4.49
_cell_length_c   5.45
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Zr2NbTc
_chemical_formula_sum   'Zr2 Nb1 Tc1'
_cell_volume   77.79
_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
  Zr  Zr2  1  0.0  0.0  0.37  1.0
  Zr  Zr3  1  0.59  0.24  0.43  1.0
  Nb  Nb0  1  0.0  0.0  0.8  1.0
  Tc  Tc1  1  0.59  0.24  0.02  1.0

data_Zr2NbTc
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.18
_cell_length_b   4.49
_cell_length_c   5.45
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Zr2NbTc
_chemical_formula_sum   'Zr2 Nb1 Tc1'
_cell_volume   77.79
_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
  Zr  Zr0  1  0.0  0.0  0.37  1.0
  Zr  Zr1  1  0.59  0.24  0.43  1.0
  Nb  Nb2  1  0.0  0.0  0.8  1.0
  Tc  Tc3  1  0.59  0.24  0.02  1.0

Zr Zr Nb Tc
Zr Zr Nb Tc 0 1 - o o 0 2 o o o 0 3 - o o 1 3 o o o 2 3 - o + 2 3 o o + 