The material described by Ce3Pd20Si6 crystallizes in the triclinic P-1 space group. There are two inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 5-coordinate geometry to one Pd(1), one Pd(2), one Pd(4), one Pd(6), one Pd(7), one Pd(9), and one Si(3) atom. In the second Ce site, Ce(2) is bonded in a 10-coordinate geometry to two equivalent Pd(3), two equivalent Pd(7), two equivalent Pd(8), and four equivalent Pd(10) atoms. There are ten inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 2-coordinate geometry to one Ce(1) and one Si(1) atom. In the second Pd site, Pd(2) is bonded in a 2-coordinate geometry to one Ce(1) and one Si(1) atom. In the third Pd site, Pd(3) is bonded in a 3-coordinate geometry to one Ce(2), one Si(1), one Si(2), and one Si(3) atom. In the fourth Pd site, Pd(4) is bonded in a 2-coordinate geometry to one Ce(1) and one Si(1) atom. In the fifth Pd site, Pd(5) is bonded in a distorted L-shaped geometry to one Si(2) and one Si(3) atom. In the sixth Pd site, Pd(6) is bonded in a 4-coordinate geometry to one Ce(1), one Si(2), and two equivalent Si(3) atoms. In the seventh Pd site, Pd(7) is bonded in a 4-coordinate geometry to one Ce(1), one Ce(2), one Si(2), and one Si(3) atom. In the eighth Pd site, Pd(8) is bonded in a 3-coordinate geometry to one Ce(2), one Si(1), and one Si(2) atom. In the ninth Pd site, Pd(9) is bonded in a 2-coordinate geometry to one Ce(1) and one Si(1) atom. In the tenth Pd site, Pd(10) is bonded in a 1-coordinate geometry to two equivalent Ce(2) and one Si(2) atom. There are three inequivalent Si sites. In the first Si site, Si(1) is bonded in a 6-coordinate geometry to one Pd(1), one Pd(2), one Pd(3), one Pd(4), one Pd(8), and one Pd(9) atom. In the second Si site, Si(2) is bonded in a 7-coordinate geometry to one Pd(10), one Pd(3), one Pd(5), one Pd(6), one Pd(7), one Pd(8), and one Si(3) atom. In the third Si site, Si(3) is bonded in a 7-coordinate geometry to one Ce(1), one Pd(3), one Pd(5), one Pd(7), two equivalent Pd(6), and one Si(2) atom. is represented by the CIF file [CIF]
data_Ce3(Si3Pd10)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.382
_cell_length_b   9.072
_cell_length_c   11.713
_cell_angle_alpha   111.818
_cell_angle_beta   88.690
_cell_angle_gamma   100.286
_symmetry_Int_Tables_number   1
_cell_volume   521.759
_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
  Ce  Ce0  1  0.664  0.618  0.244  1.0
  Ce  Ce1  1  0.000  0.000  0.000  1.0
  Ce  Ce2  1  0.336  0.382  0.756  1.0
  Si  Si3  1  0.098  0.396  0.206  1.0
  Si  Si4  1  0.624  0.984  0.709  1.0
  Si  Si5  1  0.207  0.972  0.623  1.0
  Si  Si6  1  0.793  0.028  0.377  1.0
  Si  Si7  1  0.376  0.016  0.291  1.0
  Si  Si8  1  0.902  0.604  0.794  1.0
  Pd  Pd9  1  0.643  0.620  0.969  1.0
  Pd  Pd10  1  0.613  0.480  0.602  1.0
  Pd  Pd11  1  0.180  0.836  0.769  1.0
  Pd  Pd12  1  0.859  0.382  0.035  1.0
  Pd  Pd13  1  0.387  0.520  0.398  1.0
  Pd  Pd14  1  0.820  0.164  0.231  1.0
  Pd  Pd15  1  0.825  0.769  0.572  1.0
  Pd  Pd16  1  0.175  0.231  0.428  1.0
  Pd  Pd17  1  0.120  0.881  0.407  1.0
  Pd  Pd18  1  0.951  0.858  0.179  1.0
  Pd  Pd19  1  0.357  0.380  0.031  1.0
  Pd  Pd20  1  0.367  0.213  0.192  1.0
  Pd  Pd21  1  0.119  0.519  0.610  1.0
  Pd  Pd22  1  0.538  0.100  0.921  1.0
  Pd  Pd23  1  0.141  0.618  0.965  1.0
  Pd  Pd24  1  0.049  0.142  0.821  1.0
  Pd  Pd25  1  0.462  0.900  0.079  1.0
  Pd  Pd26  1  0.880  0.119  0.593  1.0
  Pd  Pd27  1  0.633  0.787  0.808  1.0
  Pd  Pd28  1  0.881  0.481  0.390  1.0
[/CIF]
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The material described by Ce3Pd20Si6 crystallizes in the triclinic P-1 space group. There are two inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 5-coordinate geometry to one Pd(1), one Pd(2), one Pd(4), one Pd(6), one Pd(7), one Pd(9), and one Si(3) atom. In the second Ce site, Ce(2) is bonded in a 10-coordinate geometry to two equivalent Pd(3), two equivalent Pd(7), two equivalent Pd(8), and four equivalent Pd(10) atoms. There are ten inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 2-coordinate geometry to one Ce(1) and one Si(1) atom. In the second Pd site, Pd(2) is bonded in a 2-coordinate geometry to one Ce(1) and one Si(1) atom. In the third Pd site, Pd(3) is bonded in a 3-coordinate geometry to one Ce(2), one Si(1), one Si(2), and one Si(3) atom. In the fourth Pd site, Pd(4) is bonded in a 2-coordinate geometry to one Ce(1) and one Si(1) atom. In the fifth Pd site, Pd(5) is bonded in a distorted L-shaped geometry to one Si(2) and one Si(3) atom. In the sixth Pd site, Pd(6) is bonded in a 4-coordinate geometry to one Ce(1), one Si(2), and two equivalent Si(3) atoms. In the seventh Pd site, Pd(7) is bonded in a 4-coordinate geometry to one Ce(1), one Ce(2), one Si(2), and one Si(3) atom. In the eighth Pd site, Pd(8) is bonded in a 3-coordinate geometry to one Ce(2), one Si(1), and one Si(2) atom. In the ninth Pd site, Pd(9) is bonded in a 2-coordinate geometry to one Ce(1) and one Si(1) atom. In the tenth Pd site, Pd(10) is bonded in a 1-coordinate geometry to two equivalent Ce(2) and one Si(2) atom. There are three inequivalent Si sites. In the first Si site, Si(1) is bonded in a 6-coordinate geometry to one Pd(1), one Pd(2), one Pd(3), one Pd(4), one Pd(8), and one Pd(9) atom. In the second Si site, Si(2) is bonded in a 7-coordinate geometry to one Pd(10), one Pd(3), one Pd(5), one Pd(6), one Pd(7), one Pd(8), and one Si(3) atom. In the third Si site, Si(3) is bonded in a 7-coordinate geometry to one Ce(1), one Pd(3), one Pd(5), one Pd(7), two equivalent Pd(6), and one Si(2) atom. is represented by the CIF file [CIF]
data_Ce3(Si3Pd10)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.382
_cell_length_b   9.072
_cell_length_c   11.713
_cell_angle_alpha   111.818
_cell_angle_beta   88.690
_cell_angle_gamma   100.286
_symmetry_Int_Tables_number   1
_cell_volume   521.759
_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
  Ce  Ce0  1  0.664  0.618  0.244  1.0
  Ce  Ce1  1  0.000  0.000  0.000  1.0
  Ce  Ce2  1  0.336  0.382  0.756  1.0
  Si  Si3  1  0.098  0.396  0.206  1.0
  Si  Si4  1  0.624  0.984  0.709  1.0
  Si  Si5  1  0.207  0.972  0.623  1.0
  Si  Si6  1  0.793  0.028  0.377  1.0
  Si  Si7  1  0.376  0.016  0.291  1.0
  Si  Si8  1  0.902  0.604  0.794  1.0
  Pd  Pd9  1  0.643  0.620  0.969  1.0
  Pd  Pd10  1  0.613  0.480  0.602  1.0
  Pd  Pd11  1  0.180  0.836  0.769  1.0
  Pd  Pd12  1  0.859  0.382  0.035  1.0
  Pd  Pd13  1  0.387  0.520  0.398  1.0
  Pd  Pd14  1  0.820  0.164  0.231  1.0
  Pd  Pd15  1  0.825  0.769  0.572  1.0
  Pd  Pd16  1  0.175  0.231  0.428  1.0
  Pd  Pd17  1  0.120  0.881  0.407  1.0
  Pd  Pd18  1  0.951  0.858  0.179  1.0
  Pd  Pd19  1  0.357  0.380  0.031  1.0
  Pd  Pd20  1  0.367  0.213  0.192  1.0
  Pd  Pd21  1  0.119  0.519  0.610  1.0
  Pd  Pd22  1  0.538  0.100  0.921  1.0
  Pd  Pd23  1  0.141  0.618  0.965  1.0
  Pd  Pd24  1  0.049  0.142  0.821  1.0
  Pd  Pd25  1  0.462  0.900  0.079  1.0
  Pd  Pd26  1  0.880  0.119  0.593  1.0
  Pd  Pd27  1  0.633  0.787  0.808  1.0
  Pd  Pd28  1  0.881  0.481  0.390  1.0
[/CIF]
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