The material described by Pd2Sn is Cotunnite structured and crystallizes in the orthorhombic Pnma space group. There are two inequivalent Pd sites. In the first Pd site, Pd(2) is bonded in a 4-coordinate geometry to six equivalent Pd(1) and five equivalent Sn(1) atoms. In the second Pd site, Pd(1) is bonded in a 13-coordinate geometry to two equivalent Pd(1), six equivalent Pd(2), and five equivalent Sn(1) atoms. Sn(1) is bonded in a 10-coordinate geometry to five equivalent Pd(1) and five equivalent Pd(2) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_SnPd2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.367
_cell_length_b   5.673
_cell_length_c   8.168
_cell_angle_alpha   89.994
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   202.364
_cell_formula_units_Z   4
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  0.750  0.297  0.387  1.0
  Sn  Sn1  1  0.250  0.703  0.613  1.0
  Sn  Sn2  1  0.750  0.797  0.113  1.0
  Sn  Sn3  1  0.250  0.203  0.888  1.0
  Pd  Pd4  1  0.750  0.951  0.792  1.0
  Pd  Pd5  1  0.250  0.049  0.208  1.0
  Pd  Pd6  1  0.750  0.451  0.708  1.0
  Pd  Pd7  1  0.250  0.549  0.292  1.0
  Pd  Pd8  1  0.750  0.827  0.441  1.0
  Pd  Pd9  1  0.250  0.173  0.559  1.0
  Pd  Pd10  1  0.750  0.327  0.059  1.0
  Pd  Pd11  1  0.250  0.673  0.941  1.0
[/CIF]
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The material described by Pd2Sn is Cotunnite structured and crystallizes in the orthorhombic Pnma space group. There are two inequivalent Pd sites. In the first Pd site, Pd(2) is bonded in a 4-coordinate geometry to six equivalent Pd(1) and five equivalent Sn(1) atoms. In the second Pd site, Pd(1) is bonded in a 13-coordinate geometry to two equivalent Pd(1), six equivalent Pd(2), and five equivalent Sn(1) atoms. Sn(1) is bonded in a 10-coordinate geometry to five equivalent Pd(1) and five equivalent Pd(2) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_SnPd2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.367
_cell_length_b   5.673
_cell_length_c   8.168
_cell_angle_alpha   89.994
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   202.364
_cell_formula_units_Z   4
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  0.750  0.297  0.387  1.0
  Sn  Sn1  1  0.250  0.703  0.613  1.0
  Sn  Sn2  1  0.750  0.797  0.113  1.0
  Sn  Sn3  1  0.250  0.203  0.888  1.0
  Pd  Pd4  1  0.750  0.951  0.792  1.0
  Pd  Pd5  1  0.250  0.049  0.208  1.0
  Pd  Pd6  1  0.750  0.451  0.708  1.0
  Pd  Pd7  1  0.250  0.549  0.292  1.0
  Pd  Pd8  1  0.750  0.827  0.441  1.0
  Pd  Pd9  1  0.250  0.173  0.559  1.0
  Pd  Pd10  1  0.750  0.327  0.059  1.0
  Pd  Pd11  1  0.250  0.673  0.941  1.0
[/CIF]
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