data_NaNbTc
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.95
_cell_length_b   7.73
_cell_length_c   2.92
_cell_angle_alpha   83.49
_cell_angle_beta   75.13
_cell_angle_gamma   21.38
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaNbTc
_chemical_formula_sum   'Na1 Nb1 Tc1'
_cell_volume   59.03
_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
  Na  Na0  1  0.6  0.44  0.04  1.0
  Nb  Nb1  1  0.6  0.44  0.45  1.0
  Tc  Tc2  1  0.6  0.44  0.78  1.0

data_NaNbTc
_symmetry_space_group_name_H-M   Cm
_cell_length_a   3.2
_cell_length_b   15.13
_cell_length_c   2.92
_cell_angle_alpha   90.0
_cell_angle_beta   123.25
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   NaNbTc
_chemical_formula_sum   'Na2 Nb2 Tc2'
_cell_volume   118.07
_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
  Na  Na0  2  0.1  0.5  0.64  1.0
  Nb  Nb1  2  0.1  0.5  0.05  1.0
  Tc  Tc2  2  0.1  0.5  0.38  1.0

Na Nb Tc