data_NaGa
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.31
_cell_length_b   3.31
_cell_length_c   10.18
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaGa
_chemical_formula_sum   'Na2 Ga2'
_cell_volume   96.48
_cell_formula_units_Z   2
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  Na2  1  0.65  0.96  0.6  1.0
  Na  Na3  1  0.0  0.91  0.58  1.0
  Ga  Ga0  1  0.65  0.96  0.12  1.0
  Ga  Ga1  1  0.0  0.91  0.06  1.0

data_NaGa
_symmetry_space_group_name_H-M   P-1
_cell_length_a   3.31
_cell_length_b   3.31
_cell_length_c   10.18
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   NaGa
_chemical_formula_sum   'Na2 Ga2'
_cell_volume   96.48
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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  2  0.33  0.52  0.51  1.0
  Ga  Ga1  2  0.33  0.52  0.03  1.0

Na Na Ga Ga