data_NaY2Tc
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.61
_cell_length_b   6.61
_cell_length_c   6.61
_cell_angle_alpha   149.33
_cell_angle_beta   134.85
_cell_angle_gamma   55.57
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaY2Tc
_chemical_formula_sum   'Na1 Y2 Tc1'
_cell_volume   103.68
_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  0.0  0.0  0.39  1.0
  Y  Y2  1  0.0  0.0  0.02  1.0
  Y  Y3  1  0.75  0.0  0.92  1.0
  Tc  Tc1  1  0.0  0.54  0.05  1.0

data_NaY2Tc
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.5
_cell_length_b   5.07
_cell_length_c   6.61
_cell_angle_alpha   112.58
_cell_angle_beta   105.33
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaY2Tc
_chemical_formula_sum   'Na1 Y2 Tc1'
_cell_volume   103.68
_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  0.0  0.39  0.39  1.0
  Y  Y1  1  0.0  0.02  0.02  1.0
  Y  Y2  1  0.0  0.92  0.17  1.0
  Tc  Tc3  1  0.46  0.52  0.52  1.0

Na Y Y Tc
Na Y Y Tc 0 3 o - o 1 2 - o - 