data_Na2SrAl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.7
_cell_length_b   5.97
_cell_length_c   5.93
_cell_angle_alpha   90.0
_cell_angle_beta   93.79
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2SrAl
_chemical_formula_sum   'Na2 Sr1 Al1'
_cell_volume   130.49
_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  Na1  1  0.43  0.98  0.6  1.0
  Na  Na2  1  0.87  0.98  0.31  1.0
  Sr  Sr3  1  0.65  0.0  0.96  1.0
  Al  Al0  1  0.0  0.0  0.0  1.0

data_Na2SrAl
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.7
_cell_length_b   5.93
_cell_length_c   5.97
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   93.79
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2SrAl
_chemical_formula_sum   'Na2 Sr1 Al1'
_cell_volume   130.49
_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  0.13  0.69  0.02  1.0
  Na  Na1  1  0.57  0.4  0.02  1.0
  Sr  Sr2  1  0.35  0.04  0.0  1.0
  Al  Al3  1  0.0  0.0  0.0  1.0

Na Na Sr Al