data_Na2PtCl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.21
_cell_length_b   6.21
_cell_length_c   6.21
_cell_angle_alpha   142.73
_cell_angle_beta   142.73
_cell_angle_gamma   53.73
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2PtCl
_chemical_formula_sum   'Na2 Pt1 Cl1'
_cell_volume   87.16
_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
  Na  Na1  1  0.0  0.98  0.77  1.0
  Na  Na2  1  0.0  0.0  0.0  1.0
  Pt  Pt3  1  0.98  0.0  0.77  1.0
  Cl  Cl0  1  0.0  0.0  0.54  1.0

data_Na2PtCl
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.97
_cell_length_b   3.97
_cell_length_c   6.21
_cell_angle_alpha   108.63
_cell_angle_beta   108.63
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2PtCl
_chemical_formula_sum   'Na2 Pt1 Cl1'
_cell_volume   87.16
_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
  Na  Na0  1  0.0  0.0  0.0  1.0
  Na  Na1  1  0.21  0.98  0.21  1.0
  Pt  Pt2  1  0.23  0.0  0.21  1.0
  Cl  Cl3  1  0.46  0.0  0.46  1.0

Na Na Pt Cl