data_KNa2Al
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.27
_cell_length_b   6.27
_cell_length_c   6.22
_cell_angle_alpha   102.77
_cell_angle_beta   102.77
_cell_angle_gamma   34.52
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KNa2Al
_chemical_formula_sum   'K1 Na2 Al1'
_cell_volume   134.93
_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
  K  K1  1  0.78  0.0  0.44  1.0
  Na  Na2  1  0.07  0.0  0.18  1.0
  Na  Na3  1  0.78  0.0  0.66  1.0
  Al  Al0  1  0.18  0.0  0.79  1.0

data_KNa2Al
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.72
_cell_length_b   6.22
_cell_length_c   6.27
_cell_angle_alpha   102.77
_cell_angle_beta   107.26
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KNa2Al
_chemical_formula_sum   'K1 Na2 Al1'
_cell_volume   134.93
_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
  K  K0  1  0.0  0.44  0.78  1.0
  Na  Na1  1  0.0  0.18  0.07  1.0
  Na  Na2  1  0.0  0.66  0.78  1.0
  Al  Al3  1  0.0  0.79  0.18  1.0

K Na Na Al