The material structure described by Sn2(PtPd)3 crystallizes in the orthorhombic Pmmm space group. There are three inequivalent Pt sites. In the first Pt site, Pt(1) is bonded to four equivalent Pt(3), four equivalent Pd(1), and four equivalent Sn(1) atoms to form PtSn4Pd4Pt4 cuboctahedra that share corners with four equivalent Pt(1)Sn4Pd4Pt4 cuboctahedra, corners with eight equivalent Pd(2)Sn4Pd4Pt4 cuboctahedra, edges with eight equivalent Pt(2)Sn4Pd8 cuboctahedra, edges with eight equivalent Pd(1)Sn4Pd2Pt6 cuboctahedra, edges with eight equivalent Sn(1)Pd6Pt6 cuboctahedra, faces with two equivalent Pd(2)Sn4Pd4Pt4 cuboctahedra, faces with four equivalent Pt(1)Sn4Pd4Pt4 cuboctahedra, faces with four equivalent Pt(3)Sn4Pd4Pt4 cuboctahedra, faces with four equivalent Pd(1)Sn4Pd2Pt6 cuboctahedra, and faces with four equivalent Sn(1)Pd6Pt6 cuboctahedra. In the second Pt site, Pt(2) is bonded to four equivalent Pd(1), four equivalent Pd(2), and four equivalent Sn(1) atoms to form PtSn4Pd8 cuboctahedra that share corners with four equivalent Pt(2)Sn4Pd8 cuboctahedra, corners with eight equivalent Pt(3)Sn4Pd4Pt4 cuboctahedra, edges with eight equivalent Pt(1)Sn4Pd4Pt4 cuboctahedra, edges with eight equivalent Pd(1)Sn4Pd2Pt6 cuboctahedra, edges with eight equivalent Sn(1)Pd6Pt6 cuboctahedra, faces with two equivalent Pt(3)Sn4Pd4Pt4 cuboctahedra, faces with four equivalent Pt(2)Sn4Pd8 cuboctahedra, faces with four equivalent Pd(1)Sn4Pd2Pt6 cuboctahedra, faces with four equivalent Pd(2)Sn4Pd4Pt4 cuboctahedra, and faces with four equivalent Sn(1)Pd6Pt6 cuboctahedra. In the third Pt site, Pt(3) is bonded to four equivalent Pt(1), four equivalent Pd(1), and four equivalent Sn(1) atoms to form PtSn4Pd4Pt4 cuboctahedra that share corners with four equivalent Pt(3)Sn4Pd4Pt4 cuboctahedra, corners with eight equivalent Pt(2)Sn4Pd8 cuboctahedra, edges with eight equivalent Pd(1)Sn4Pd2Pt6 cuboctahedra, edges with eight equivalent Pd(2)Sn4Pd4Pt4 cuboctahedra, edges with eight equivalent Sn(1)Pd6Pt6 cuboctahedra, faces with two equivalent Pt(2)Sn4Pd8 cuboctahedra, faces with four equivalent Pt(1)Sn4Pd4Pt4 cuboctahedra, faces with four equivalent Pt(3)Sn4Pd4Pt4 cuboctahedra, faces with four equivalent Pd(1)Sn4Pd2Pt6 cuboctahedra, and faces with four equivalent Sn(1)Pd6Pt6 cuboctahedra. There are two inequivalent Pd sites. In the first Pd site, Pd(1) is bonded to two equivalent Pt(1), two equivalent Pt(2), two equivalent Pt(3), two equivalent Pd(2), and four equivalent Sn(1) atoms to form PdSn4Pd2Pt6 cuboctahedra that share corners with twelve equivalent Pd(1)Sn4Pd2Pt6 cuboctahedra, edges with four equivalent Pt(1)Sn4Pd4Pt4 cuboctahedra, edges with four equivalent Pt(3)Sn4Pd4Pt4 cuboctahedra, edges with four equivalent Pt(2)Sn4Pd8 cuboctahedra, edges with four equivalent Pd(2)Sn4Pd4Pt4 cuboctahedra, edges with eight equivalent Sn(1)Pd6Pt6 cuboctahedra, faces with two equivalent Pt(1)Sn4Pd4Pt4 cuboctahedra, faces with two equivalent Pt(3)Sn4Pd4Pt4 cuboctahedra, faces with two equivalent Pt(2)Sn4Pd8 cuboctahedra, faces with two equivalent Pd(2)Sn4Pd4Pt4 cuboctahedra, faces with four equivalent Sn(1)Pd6Pt6 cuboctahedra, and faces with six equivalent Pd(1)Sn4Pd2Pt6 cuboctahedra. In the second Pd site, Pd(2) is bonded to four equivalent Pt(2), four equivalent Pd(1), and four equivalent Sn(1) atoms to form PdSn4Pd4Pt4 cuboctahedra that share corners with four equivalent Pd(2)Sn4Pd4Pt4 cuboctahedra, corners with eight equivalent Pt(1)Sn4Pd4Pt4 cuboctahedra, edges with eight equivalent Pt(3)Sn4Pd4Pt4 cuboctahedra, edges with eight equivalent Pd(1)Sn4Pd2Pt6 cuboctahedra, edges with eight equivalent Sn(1)Pd6Pt6 cuboctahedra, faces with two equivalent Pt(1)Sn4Pd4Pt4 cuboctahedra, faces with four equivalent Pt(2)Sn4Pd8 cuboctahedra, faces with four equivalent Pd(1)Sn4Pd2Pt6 cuboctahedra, faces with four equivalent Pd(2)Sn4Pd4Pt4 cuboctahedra, and faces with four equivalent Sn(1)Pd6Pt6 cuboctahedra. Sn(1) is bonded to two equivalent Pt(1), two equivalent Pt(2), two equivalent Pt(3), two equivalent Pd(2), and four equivalent Pd(1) atoms to form SnPd6Pt6 cuboctahedra that share corners with twelve equivalent Sn(1)Pd6Pt6 cuboctahedra, edges with four equivalent Pt(1)Sn4Pd4Pt4 cuboctahedra, edges with four equivalent Pt(3)Sn4Pd4Pt4 cuboctahedra, edges with four equivalent Pt(2)Sn4Pd8 cuboctahedra, edges with four equivalent Pd(2)Sn4Pd4Pt4 cuboctahedra, edges with eight equivalent Pd(1)Sn4Pd2Pt6 cuboctahedra, faces with two equivalent Pt(1)Sn4Pd4Pt4 cuboctahedra, faces with two equivalent Pt(3)Sn4Pd4Pt4 cuboctahedra, faces with two equivalent Pt(2)Sn4Pd8 cuboctahedra, faces with two equivalent Pd(2)Sn4Pd4Pt4 cuboctahedra, faces with four equivalent Pd(1)Sn4Pd2Pt6 cuboctahedra, and faces with six equivalent Sn(1)Pd6Pt6 cuboctahedra. is represented by the CIF card [CIF]
data_Sn2(PdPt)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.012
_cell_length_b   4.027
_cell_length_c   8.018
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   129.531
_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
  Sn  Sn0  1  0.000  0.000  0.252  1.0
  Sn  Sn1  1  0.000  0.000  0.748  1.0
  Pd  Pd2  1  0.500  0.500  0.250  1.0
  Pd  Pd3  1  0.500  0.500  0.750  1.0
  Pd  Pd4  1  0.000  0.500  0.500  1.0
  Pt  Pt5  1  0.000  0.500  0.000  1.0
  Pt  Pt6  1  0.500  0.000  0.500  1.0
  Pt  Pt7  1  0.500  0.000  0.000  1.0
[/CIF]
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The material structure described by Sn2(PtPd)3 crystallizes in the orthorhombic Pmmm space group. There are three inequivalent Pt sites. In the first Pt site, Pt(1) is bonded to four equivalent Pt(3), four equivalent Pd(1), and four equivalent Sn(1) atoms to form PtSn4Pd4Pt4 cuboctahedra that share corners with four equivalent Pt(1)Sn4Pd4Pt4 cuboctahedra, corners with eight equivalent Pd(2)Sn4Pd4Pt4 cuboctahedra, edges with eight equivalent Pt(2)Sn4Pd8 cuboctahedra, edges with eight equivalent Pd(1)Sn4Pd2Pt6 cuboctahedra, edges with eight equivalent Sn(1)Pd6Pt6 cuboctahedra, faces with two equivalent Pd(2)Sn4Pd4Pt4 cuboctahedra, faces with four equivalent Pt(1)Sn4Pd4Pt4 cuboctahedra, faces with four equivalent Pt(3)Sn4Pd4Pt4 cuboctahedra, faces with four equivalent Pd(1)Sn4Pd2Pt6 cuboctahedra, and faces with four equivalent Sn(1)Pd6Pt6 cuboctahedra. In the second Pt site, Pt(2) is bonded to four equivalent Pd(1), four equivalent Pd(2), and four equivalent Sn(1) atoms to form PtSn4Pd8 cuboctahedra that share corners with four equivalent Pt(2)Sn4Pd8 cuboctahedra, corners with eight equivalent Pt(3)Sn4Pd4Pt4 cuboctahedra, edges with eight equivalent Pt(1)Sn4Pd4Pt4 cuboctahedra, edges with eight equivalent Pd(1)Sn4Pd2Pt6 cuboctahedra, edges with eight equivalent Sn(1)Pd6Pt6 cuboctahedra, faces with two equivalent Pt(3)Sn4Pd4Pt4 cuboctahedra, faces with four equivalent Pt(2)Sn4Pd8 cuboctahedra, faces with four equivalent Pd(1)Sn4Pd2Pt6 cuboctahedra, faces with four equivalent Pd(2)Sn4Pd4Pt4 cuboctahedra, and faces with four equivalent Sn(1)Pd6Pt6 cuboctahedra. In the third Pt site, Pt(3) is bonded to four equivalent Pt(1), four equivalent Pd(1), and four equivalent Sn(1) atoms to form PtSn4Pd4Pt4 cuboctahedra that share corners with four equivalent Pt(3)Sn4Pd4Pt4 cuboctahedra, corners with eight equivalent Pt(2)Sn4Pd8 cuboctahedra, edges with eight equivalent Pd(1)Sn4Pd2Pt6 cuboctahedra, edges with eight equivalent Pd(2)Sn4Pd4Pt4 cuboctahedra, edges with eight equivalent Sn(1)Pd6Pt6 cuboctahedra, faces with two equivalent Pt(2)Sn4Pd8 cuboctahedra, faces with four equivalent Pt(1)Sn4Pd4Pt4 cuboctahedra, faces with four equivalent Pt(3)Sn4Pd4Pt4 cuboctahedra, faces with four equivalent Pd(1)Sn4Pd2Pt6 cuboctahedra, and faces with four equivalent Sn(1)Pd6Pt6 cuboctahedra. There are two inequivalent Pd sites. In the first Pd site, Pd(1) is bonded to two equivalent Pt(1), two equivalent Pt(2), two equivalent Pt(3), two equivalent Pd(2), and four equivalent Sn(1) atoms to form PdSn4Pd2Pt6 cuboctahedra that share corners with twelve equivalent Pd(1)Sn4Pd2Pt6 cuboctahedra, edges with four equivalent Pt(1)Sn4Pd4Pt4 cuboctahedra, edges with four equivalent Pt(3)Sn4Pd4Pt4 cuboctahedra, edges with four equivalent Pt(2)Sn4Pd8 cuboctahedra, edges with four equivalent Pd(2)Sn4Pd4Pt4 cuboctahedra, edges with eight equivalent Sn(1)Pd6Pt6 cuboctahedra, faces with two equivalent Pt(1)Sn4Pd4Pt4 cuboctahedra, faces with two equivalent Pt(3)Sn4Pd4Pt4 cuboctahedra, faces with two equivalent Pt(2)Sn4Pd8 cuboctahedra, faces with two equivalent Pd(2)Sn4Pd4Pt4 cuboctahedra, faces with four equivalent Sn(1)Pd6Pt6 cuboctahedra, and faces with six equivalent Pd(1)Sn4Pd2Pt6 cuboctahedra. In the second Pd site, Pd(2) is bonded to four equivalent Pt(2), four equivalent Pd(1), and four equivalent Sn(1) atoms to form PdSn4Pd4Pt4 cuboctahedra that share corners with four equivalent Pd(2)Sn4Pd4Pt4 cuboctahedra, corners with eight equivalent Pt(1)Sn4Pd4Pt4 cuboctahedra, edges with eight equivalent Pt(3)Sn4Pd4Pt4 cuboctahedra, edges with eight equivalent Pd(1)Sn4Pd2Pt6 cuboctahedra, edges with eight equivalent Sn(1)Pd6Pt6 cuboctahedra, faces with two equivalent Pt(1)Sn4Pd4Pt4 cuboctahedra, faces with four equivalent Pt(2)Sn4Pd8 cuboctahedra, faces with four equivalent Pd(1)Sn4Pd2Pt6 cuboctahedra, faces with four equivalent Pd(2)Sn4Pd4Pt4 cuboctahedra, and faces with four equivalent Sn(1)Pd6Pt6 cuboctahedra. Sn(1) is bonded to two equivalent Pt(1), two equivalent Pt(2), two equivalent Pt(3), two equivalent Pd(2), and four equivalent Pd(1) atoms to form SnPd6Pt6 cuboctahedra that share corners with twelve equivalent Sn(1)Pd6Pt6 cuboctahedra, edges with four equivalent Pt(1)Sn4Pd4Pt4 cuboctahedra, edges with four equivalent Pt(3)Sn4Pd4Pt4 cuboctahedra, edges with four equivalent Pt(2)Sn4Pd8 cuboctahedra, edges with four equivalent Pd(2)Sn4Pd4Pt4 cuboctahedra, edges with eight equivalent Pd(1)Sn4Pd2Pt6 cuboctahedra, faces with two equivalent Pt(1)Sn4Pd4Pt4 cuboctahedra, faces with two equivalent Pt(3)Sn4Pd4Pt4 cuboctahedra, faces with two equivalent Pt(2)Sn4Pd8 cuboctahedra, faces with two equivalent Pd(2)Sn4Pd4Pt4 cuboctahedra, faces with four equivalent Pd(1)Sn4Pd2Pt6 cuboctahedra, and faces with six equivalent Sn(1)Pd6Pt6 cuboctahedra. is represented by the CIF card [CIF]
data_Sn2(PdPt)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.012
_cell_length_b   4.027
_cell_length_c   8.018
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   129.531
_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
  Sn  Sn0  1  0.000  0.000  0.252  1.0
  Sn  Sn1  1  0.000  0.000  0.748  1.0
  Pd  Pd2  1  0.500  0.500  0.250  1.0
  Pd  Pd3  1  0.500  0.500  0.750  1.0
  Pd  Pd4  1  0.000  0.500  0.500  1.0
  Pt  Pt5  1  0.000  0.500  0.000  1.0
  Pt  Pt6  1  0.500  0.000  0.500  1.0
  Pt  Pt7  1  0.500  0.000  0.000  1.0
[/CIF]
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