data_NaNbNi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.76
_cell_length_b   6.76
_cell_length_c   6.76
_cell_angle_alpha   155.9
_cell_angle_beta   153.12
_cell_angle_gamma   36.4
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaNbNi
_chemical_formula_sum   'Na1 Nb1 Ni1'
_cell_volume   56.93
_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  0.62  1.0
  Nb  Nb1  1  0.0  0.0  0.04  1.0
  Ni  Ni2  1  0.0  0.0  0.02  1.0

data_NaNbNi
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.82
_cell_length_b   3.14
_cell_length_c   6.76
_cell_angle_alpha   103.44
_cell_angle_beta   102.05
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaNbNi
_chemical_formula_sum   'Na1 Nb1 Ni1'
_cell_volume   56.93
_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  0.62  0.62  1.0
  Nb  Nb1  1  0.0  0.04  0.04  1.0
  Ni  Ni2  1  0.0  0.02  0.02  1.0

Na Nb Ni