data_Nb2Zn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.38
_cell_length_b   8.38
_cell_length_c   8.38
_cell_angle_alpha   60.0
_cell_angle_beta   60.0
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Nb2Zn
_chemical_formula_sum   'Nb16 Zn8'
_cell_volume   416.63
_cell_formula_units_Z   8
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
  Nb  Nb0  1  0.48  0.45  0.45  1.0
  Nb  Nb1  1  0.45  0.48  0.45  1.0
  Nb  Nb2  1  0.45  0.45  0.48  1.0
  Nb  Nb3  1  0.48  0.48  0.48  1.0
  Nb  Nb4  1  0.93  0.93  0.28  1.0
  Nb  Nb5  1  0.93  0.28  0.93  1.0
  Nb  Nb6  1  0.28  0.93  0.93  1.0
  Nb  Nb7  1  0.58  0.93  0.93  1.0
  Nb  Nb8  1  0.93  0.58  0.93  1.0
  Nb  Nb9  1  0.93  0.93  0.58  1.0
  Nb  Nb10  1  0.89  0.89  0.54  1.0
  Nb  Nb11  1  0.89  0.54  0.89  1.0
  Nb  Nb12  1  0.54  0.89  0.89  1.0
  Nb  Nb13  1  0.24  0.89  0.89  1.0
  Nb  Nb14  1  0.89  0.24  0.89  1.0
  Nb  Nb15  1  0.89  0.89  0.24  1.0
  Zn  Zn16  1  0.78  0.78  0.78  1.0
  Zn  Zn17  1  0.0  0.0  0.78  1.0
  Zn  Zn18  1  0.0  0.78  0.0  1.0
  Zn  Zn19  1  0.78  0.0  0.0  1.0
  Zn  Zn20  1  0.04  0.04  0.04  1.0
  Zn  Zn21  1  0.82  0.82  0.04  1.0
  Zn  Zn22  1  0.82  0.04  0.82  1.0
  Zn  Zn23  1  0.04  0.82  0.82  1.0

data_Nb2Zn
_symmetry_space_group_name_H-M   R3m
_cell_length_a   8.38
_cell_length_b   8.38
_cell_length_c   20.54
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   160
_chemical_formula_structural   Nb2Zn
_chemical_formula_sum   'Nb48 Zn24'
_cell_volume   1249.88
_cell_formula_units_Z   24
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-y, x-y, z'
  3  '-x+y, -x, z'
  4  '-y, -x, z'
  5  '-x+y, y, z'
  6  'x, x-y, z'
  7  'x+1/3, y+2/3, z+2/3'
  8  '-y+1/3, x-y+2/3, z+2/3'
  9  '-x+y+1/3, -x+2/3, z+2/3'
  10  '-y+1/3, -x+2/3, z+2/3'
  11  '-x+y+1/3, y+2/3, z+2/3'
  12  'x+1/3, x-y+2/3, z+2/3'
  13  'x+2/3, y+1/3, z+1/3'
  14  '-y+2/3, x-y+1/3, z+1/3'
  15  '-x+y+2/3, -x+1/3, z+1/3'
  16  '-y+2/3, -x+1/3, z+1/3'
  17  '-x+y+2/3, y+1/3, z+1/3'
  18  'x+2/3, x-y+1/3, z+1/3'
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
  Nb  Nb0  9  0.01  0.02  0.54  1.0
  Nb  Nb1  9  0.1  0.55  0.66  1.0
  Nb  Nb2  9  0.1  0.55  0.62  1.0
  Nb  Nb3  9  0.22  0.43  0.89  1.0
  Nb  Nb4  9  0.22  0.43  0.85  1.0
  Nb  Nb5  3  0.0  0.0  0.52  1.0
  Zn  Zn6  9  0.07  0.15  0.11  1.0
  Zn  Zn7  9  0.15  0.07  0.07  1.0
  Zn  Zn8  3  0.0  0.0  0.22  1.0
  Zn  Zn9  3  0.0  0.0  0.96  1.0

Nb Nb Nb Nb Nb Nb Nb Nb Nb Nb Nb Nb Nb Nb Nb Nb Zn Zn Zn Zn Zn Zn Zn Zn