data_KNaCl2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.92
_cell_length_b   3.77
_cell_length_c   7.51
_cell_angle_alpha   90.0
_cell_angle_beta   102.61
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KNaCl2
_chemical_formula_sum   'K1 Na1 Cl2'
_cell_volume   108.53
_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  K2  1  0.14  0.0  0.67  1.0
  Na  Na3  1  0.0  0.0  0.0  1.0
  Cl  Cl0  1  0.05  0.89  0.79  1.0
  Cl  Cl1  1  0.24  0.89  0.54  1.0

data_KNaCl2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.77
_cell_length_b   3.92
_cell_length_c   7.51
_cell_angle_alpha   102.61
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KNaCl2
_chemical_formula_sum   'K1 Na1 Cl2'
_cell_volume   108.53
_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  0.86  0.33  1.0
  Na  Na1  1  0.0  0.0  0.0  1.0
  Cl  Cl2  1  0.11  0.76  0.46  1.0
  Cl  Cl3  1  0.11  0.95  0.21  1.0

K Na Cl Cl