data_KNa2Cl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.48
_cell_length_b   7.19
_cell_length_c   4.61
_cell_angle_alpha   90.0
_cell_angle_beta   90.16
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KNa2Cl
_chemical_formula_sum   'K1 Na2 Cl1'
_cell_volume   148.44
_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  0.23  0.0  0.31  1.0
  Na  Na2  1  0.4  0.59  0.11  1.0
  Na  Na3  1  0.06  0.59  0.5  1.0
  Cl  Cl0  1  0.0  0.0  0.0  1.0

data_KNa2Cl
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.48
_cell_length_b   4.61
_cell_length_c   7.19
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.16
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KNa2Cl
_chemical_formula_sum   'K1 Na2 Cl1'
_cell_volume   148.44
_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  0.77  0.69  0.0  1.0
  Na  Na1  1  0.6  0.89  0.41  1.0
  Na  Na2  1  0.94  0.5  0.41  1.0
  Cl  Cl3  1  0.0  0.0  0.0  1.0

K Na Na Cl