data_K2NaPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.29
_cell_length_b   4.28
_cell_length_c   10.35
_cell_angle_alpha   90.0
_cell_angle_beta   91.02
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2NaPt
_chemical_formula_sum   'K2 Na1 Pt1'
_cell_volume   145.53
_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  0.55  0.14  0.98  1.0
  K  K1  1  0.56  0.14  0.37  1.0
  Na  Na2  1  0.0  0.0  0.0  1.0
  Pt  Pt3  1  0.91  0.0  0.17  1.0

data_K2NaPt
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.29
_cell_length_b   4.28
_cell_length_c   10.35
_cell_angle_alpha   90.0
_cell_angle_beta   91.02
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2NaPt
_chemical_formula_sum   'K2 Na1 Pt1'
_cell_volume   145.53
_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  0.55  0.14  0.98  1.0
  K  K1  1  0.56  0.14  0.37  1.0
  Na  Na2  1  0.0  0.0  0.0  1.0
  Pt  Pt3  1  0.91  0.0  0.17  1.0

K K Na Pt
K K Na Pt 0 2 o o + 0 2 + o + 1 3 o o o 2 3 - o o 