data_NaSrAl2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.5
_cell_length_b   3.72
_cell_length_c   8.65
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaSrAl2
_chemical_formula_sum   'Na1 Sr1 Al2'
_cell_volume   112.62
_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  Na2  1  0.0  0.0  0.81  1.0
  Sr  Sr3  1  0.75  0.86  0.91  1.0
  Al  Al0  1  0.0  0.0  0.51  1.0
  Al  Al1  1  0.75  0.86  0.74  1.0

data_NaSrAl2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.5
_cell_length_b   3.72
_cell_length_c   8.65
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   NaSrAl2
_chemical_formula_sum   'Na1 Sr1 Al2'
_cell_volume   112.62
_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  0.81  1.0
  Sr  Sr1  1  0.75  0.86  0.91  1.0
  Al  Al2  1  0.0  0.0  0.51  1.0
  Al  Al3  1  0.75  0.86  0.74  1.0

Na Sr Al Al