data_Na2Pt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.27
_cell_length_b   9.27
_cell_length_c   9.27
_cell_angle_alpha   60.0
_cell_angle_beta   60.0
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2Pt
_chemical_formula_sum   'Na16 Pt8'
_cell_volume   563.35
_cell_formula_units_Z   8
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  0.64  0.92  0.92  1.0
  Na  Na1  1  0.92  0.64  0.92  1.0
  Na  Na2  1  0.92  0.92  0.64  1.0
  Na  Na3  1  0.64  0.64  0.64  1.0
  Na  Na4  1  0.56  0.56  0.29  1.0
  Na  Na5  1  0.56  0.29  0.56  1.0
  Na  Na6  1  0.29  0.56  0.56  1.0
  Na  Na7  1  0.82  0.56  0.56  1.0
  Na  Na8  1  0.56  0.82  0.56  1.0
  Na  Na9  1  0.56  0.56  0.82  1.0
  Na  Na10  1  0.83  0.83  0.1  1.0
  Na  Na11  1  0.83  0.1  0.83  1.0
  Na  Na12  1  0.1  0.83  0.83  1.0
  Na  Na13  1  0.57  0.83  0.83  1.0
  Na  Na14  1  0.83  0.57  0.83  1.0
  Na  Na15  1  0.83  0.83  0.57  1.0
  Pt  Pt16  1  0.1  0.1  0.1  1.0
  Pt  Pt17  1  0.57  0.57  0.1  1.0
  Pt  Pt18  1  0.57  0.1  0.57  1.0
  Pt  Pt19  1  0.1  0.57  0.57  1.0
  Pt  Pt20  1  0.29  0.29  0.29  1.0
  Pt  Pt21  1  0.27  0.27  0.29  1.0
  Pt  Pt22  1  0.27  0.29  0.27  1.0
  Pt  Pt23  1  0.29  0.27  0.27  1.0

data_Na2Pt
_symmetry_space_group_name_H-M   R3m
_cell_length_a   9.27
_cell_length_b   9.27
_cell_length_c   22.71
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   160
_chemical_formula_structural   Na2Pt
_chemical_formula_sum   'Na48 Pt24'
_cell_volume   1690.06
_cell_formula_units_Z   24
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-y, x-y, z'
  3  '-x+y, -x, z'
  4  '-y, -x, z'
  5  '-x+y, y, z'
  6  'x, x-y, z'
  7  'x+1/3, y+2/3, z+2/3'
  8  '-y+1/3, x-y+2/3, z+2/3'
  9  '-x+y+1/3, -x+2/3, z+2/3'
  10  '-y+1/3, -x+2/3, z+2/3'
  11  '-x+y+1/3, y+2/3, z+2/3'
  12  'x+1/3, x-y+2/3, z+2/3'
  13  'x+2/3, y+1/3, z+1/3'
  14  '-y+2/3, x-y+1/3, z+1/3'
  15  '-x+y+2/3, -x+1/3, z+1/3'
  16  '-y+2/3, -x+1/3, z+1/3'
  17  '-x+y+2/3, y+1/3, z+1/3'
  18  'x+2/3, x-y+1/3, z+1/3'
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  9  0.09  0.18  0.08  1.0
  Na  Na1  9  0.09  0.18  0.36  1.0
  Na  Na2  9  0.18  0.09  0.53  1.0
  Na  Na3  9  0.18  0.09  0.26  1.0
  Na  Na4  9  0.19  0.09  0.18  1.0
  Na  Na5  3  0.0  0.0  0.36  1.0
  Pt  Pt6  9  0.01  0.02  0.73  1.0
  Pt  Pt7  9  0.18  0.35  0.26  1.0
  Pt  Pt8  3  0.0  0.0  0.71  1.0
  Pt  Pt9  3  0.0  0.0  0.9  1.0

Na Na Na Na Na Na Na Na Na Na Na Na Na Na Na Na Pt Pt Pt Pt Pt Pt Pt Pt