data_[K1Na1Ni1Cl6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  Ni  1.9100  1.3500  0.7400
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P312]
_cell_length_a [6.7588]
_cell_length_b [6.7588]
_cell_length_c [6.5925]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [149]
_chemical_formula_structural [KNaNiCl6]
_chemical_formula_sum '[K1 Na1 Ni1 Cl6]'
_cell_volume [260.8102]
_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  0.0000  0.0000  0.0000  1.0
  Na  Na1  1  0.3333  0.6667  0.5000  1.0
  Ni  Ni2  1  0.6667  0.3333  0.5000  1.0
  Cl  Cl3  6  0.4002  0.0593  0.6990  1.0
]