data_Si2TePd
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.78
_cell_length_b   5.78
_cell_length_c   5.78
_cell_angle_alpha   140.99
_cell_angle_beta   140.99
_cell_angle_gamma   56.36
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Si2TePd
_chemical_formula_sum   'Si2 Te1 Pd1'
_cell_volume   75.84
_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
  Si  Si1  1  0.93  0.0  0.55  1.0
  Si  Si2  1  0.0  0.93  0.55  1.0
  Te  Te3  1  0.0  0.0  0.09  1.0
  Pd  Pd0  1  0.0  0.0  0.0  1.0

data_Si2TePd
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.46
_cell_length_b   5.46
_cell_length_c   5.78
_cell_angle_alpha   90.0
_cell_angle_beta   118.18
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Si2TePd
_chemical_formula_sum   'Si4 Te2 Pd2'
_cell_volume   151.69
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  Si  Si0  4  0.46  0.46  0.38  1.0
  Te  Te1  2  0.0  0.0  0.91  1.0
  Pd  Pd2  2  0.0  0.0  0.0  1.0

Si Si Te Pd
Si Si Te Pd 0 1 + - o 2 3 o o o 
PdTe(Si)2 crystallizes in the monoclinic Cm space group. The structure is zero-dimensional and consists of two palladium monotelluride molecules and two silicon molecules.