The structure described by Ce3PtPd2Al3 crystallizes in the monoclinic Pm space group. There are twelve inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 11-coordinate geometry to one Pt(3), two equivalent Pd(3), two equivalent Pd(6), one Al(1), one Al(6), two equivalent Al(10), and two equivalent Al(7) atoms. In the second Ce site, Ce(2) is bonded in a 11-coordinate geometry to one Pt(1), two equivalent Pd(4), two equivalent Pd(7), one Al(2), one Al(4), two equivalent Al(11), and two equivalent Al(8) atoms. In the third Ce site, Ce(3) is bonded in a 11-coordinate geometry to one Pt(2), two equivalent Pd(5), two equivalent Pd(8), one Al(3), one Al(5), two equivalent Al(12), and two equivalent Al(9) atoms. In the fourth Ce site, Ce(4) is bonded in a 11-coordinate geometry to one Pt(4), two equivalent Pd(3), two equivalent Pd(6), one Al(1), one Al(6), two equivalent Al(10), and two equivalent Al(7) atoms. In the fifth Ce site, Ce(5) is bonded in a 11-coordinate geometry to one Pd(1), two equivalent Pd(4), two equivalent Pd(7), one Al(2), one Al(4), two equivalent Al(11), and two equivalent Al(8) atoms. In the sixth Ce site, Ce(6) is bonded in a 11-coordinate geometry to one Pd(2), two equivalent Pd(5), two equivalent Pd(8), one Al(3), one Al(5), two equivalent Al(12), and two equivalent Al(9) atoms. In the seventh Ce site, Ce(7) is bonded in a 11-coordinate geometry to two equivalent Pt(1), two equivalent Pt(4), one Pd(4), one Al(11), one Al(7), two equivalent Al(1), and two equivalent Al(4) atoms. In the eighth Ce site, Ce(8) is bonded in a 11-coordinate geometry to two equivalent Pt(2), one Pd(5), two equivalent Pd(1), one Al(12), one Al(8), two equivalent Al(2), and two equivalent Al(5) atoms. In the ninth Ce site, Ce(9) is bonded in a 11-coordinate geometry to two equivalent Pt(3), one Pd(3), two equivalent Pd(2), one Al(10), one Al(9), two equivalent Al(3), and two equivalent Al(6) atoms. In the tenth Ce site, Ce(10) is bonded in a 11-coordinate geometry to two equivalent Pt(1), two equivalent Pt(4), one Pd(6), one Al(11), one Al(7), two equivalent Al(1), and two equivalent Al(4) atoms. In the eleventh Ce site, Ce(11) is bonded in a 11-coordinate geometry to two equivalent Pt(2), one Pd(7), two equivalent Pd(1), one Al(12), one Al(8), two equivalent Al(2), and two equivalent Al(5) atoms. In the twelfth Ce site, Ce(12) is bonded in a 11-coordinate geometry to two equivalent Pt(3), one Pd(8), two equivalent Pd(2), one Al(10), one Al(9), two equivalent Al(3), and two equivalent Al(6) atoms. There are four inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in a 9-coordinate geometry to one Ce(2), two equivalent Ce(10), two equivalent Ce(7), one Al(1), one Al(4), and two equivalent Al(11) atoms. In the second Pt site, Pt(2) is bonded in a 9-coordinate geometry to one Ce(3), two equivalent Ce(11), two equivalent Ce(8), one Al(2), one Al(5), and two equivalent Al(12) atoms. In the third Pt site, Pt(3) is bonded in a 9-coordinate geometry to one Ce(1), two equivalent Ce(12), two equivalent Ce(9), one Al(3), one Al(6), and two equivalent Al(10) atoms. In the fourth Pt site, Pt(4) is bonded in a 9-coordinate geometry to one Ce(4), two equivalent Ce(10), two equivalent Ce(7), one Al(1), one Al(4), and two equivalent Al(7) atoms. There are eight inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 9-coordinate geometry to one Ce(5), two equivalent Ce(11), two equivalent Ce(8), one Al(2), one Al(5), and two equivalent Al(8) atoms. In the second Pd site, Pd(2) is bonded in a 9-coordinate geometry to one Ce(6), two equivalent Ce(12), two equivalent Ce(9), one Al(3), one Al(6), and two equivalent Al(9) atoms. In the third Pd site, Pd(3) is bonded in a 9-coordinate geometry to one Ce(9), two equivalent Ce(1), two equivalent Ce(4), one Al(10), one Al(7), and two equivalent Al(6) atoms. In the fourth Pd site, Pd(4) is bonded in a 9-coordinate geometry to one Ce(7), two equivalent Ce(2), two equivalent Ce(5), one Al(11), one Al(8), and two equivalent Al(4) atoms. In the fifth Pd site, Pd(5) is bonded in a 9-coordinate geometry to one Ce(8), two equivalent Ce(3), two equivalent Ce(6), one Al(12), one Al(9), and two equivalent Al(5) atoms. In the sixth Pd site, Pd(6) is bonded in a 9-coordinate geometry to one Ce(10), two equivalent Ce(1), two equivalent Ce(4), one Al(10), one Al(7), and two equivalent Al(1) atoms. In the seventh Pd site, Pd(7) is bonded in a 9-coordinate geometry to one Ce(11), two equivalent Ce(2), two equivalent Ce(5), one Al(11), one Al(8), and two equivalent Al(2) atoms. In the eighth Pd site, Pd(8) is bonded in a 9-coordinate geometry to one Ce(12), two equivalent Ce(3), two equivalent Ce(6), one Al(12), one Al(9), and two equivalent Al(3) atoms. There are twelve inequivalent Al sites. In the first Al site, Al(1) is bonded in a 4-coordinate geometry to one Ce(1), one Ce(4), two equivalent Ce(10), two equivalent Ce(7), one Pt(1), one Pt(4), and two equivalent Pd(6) atoms. In the second Al site, Al(2) is bonded in a 4-coordinate geometry to one Ce(2), one Ce(5), two equivalent Ce(11), two equivalent Ce(8), one Pt(2), one Pd(1), and two equivalent Pd(7) atoms. In the third Al site, Al(3) is bonded in a 4-coordinate geometry to one Ce(3), one Ce(6), two equivalent Ce(12), two equivalent Ce(9), one Pt(3), one Pd(2), and two equivalent Pd(8) atoms. In the fourth Al site, Al(4) is bonded to one Ce(2), one Ce(5), two equivalent Ce(10), two equivalent Ce(7), one Pt(1), one Pt(4), and two equivalent Pd(4) atoms to form distorted face-sharing AlCe6Pd2Pt2 tetrahedra. In the fifth Al site, Al(5) is bonded to one Ce(3), one Ce(6), two equivalent Ce(11), two equivalent Ce(8), one Pt(2), one Pd(1), and two equivalent Pd(5) atoms to form distorted face-sharing AlCe6Pd3Pt tetrahedra. In the sixth Al site, Al(6) is bonded to one Ce(1), one Ce(4), two equivalent Ce(12), two equivalent Ce(9), one Pt(3), one Pd(2), and two equivalent Pd(3) atoms to form distorted face-sharing AlCe6Pd3Pt tetrahedra. In the seventh Al site, Al(7) is bonded in a 4-coordinate geometry to one Ce(10), one Ce(7), two equivalent Ce(1), two equivalent Ce(4), two equivalent Pt(4), one Pd(3), and one Pd(6) atom. In the eighth Al site, Al(8) is bonded in a 4-coordinate geometry to one Ce(11), one Ce(8), two equivalent Ce(2), two equivalent Ce(5), one Pd(4), one Pd(7), and two equivalent Pd(1) atoms. In the ninth Al site, Al(9) is bonded in a 4-coordinate geometry to one Ce(12), one Ce(9), two equivalent Ce(3), two equivalent Ce(6), one Pd(5), one Pd(8), and two equivalent Pd(2) atoms. In the tenth Al site, Al(10) is bonded in a 4-coordinate geometry to one Ce(12), one Ce(9), two equivalent Ce(1), two equivalent Ce(4), two equivalent Pt(3), one Pd(3), and one Pd(6) atom. In the eleventh Al site, Al(11) is bonded in a 4-coordinate geometry to one Ce(10), one Ce(7), two equivalent Ce(2), two equivalent Ce(5), two equivalent Pt(1), one Pd(4), and one Pd(7) atom. In the twelfth Al site, Al(12) is bonded in a 4-coordinate geometry to one Ce(11), one Ce(8), two equivalent Ce(3), two equivalent Ce(6), two equivalent Pt(2), one Pd(5), and one Pd(8) atom. is represented by the CIF file [CIF]
data_Ce3Al3Pd2Pt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.444
_cell_length_b   7.211
_cell_length_c   23.375
_cell_angle_alpha   89.565
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   749.134
_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
  Ce  Ce0  1  0.750  0.470  0.060  1.0
  Ce  Ce1  1  0.750  0.468  0.393  1.0
  Ce  Ce2  1  0.750  0.469  0.727  1.0
  Ce  Ce3  1  0.750  0.969  0.107  1.0
  Ce  Ce4  1  0.750  0.967  0.440  1.0
  Ce  Ce5  1  0.750  0.968  0.774  1.0
  Ce  Ce6  1  0.250  0.528  0.274  1.0
  Ce  Ce7  1  0.250  0.528  0.608  1.0
  Ce  Ce8  1  0.250  0.527  0.941  1.0
  Ce  Ce9  1  0.250  0.029  0.226  1.0
  Ce  Ce10  1  0.250  0.032  0.560  1.0
  Ce  Ce11  1  0.250  0.032  0.893  1.0
  Al  Al12  1  0.750  0.352  0.190  1.0
  Al  Al13  1  0.750  0.350  0.523  1.0
  Al  Al14  1  0.750  0.349  0.856  1.0
  Al  Al15  1  0.750  0.853  0.310  1.0
  Al  Al16  1  0.750  0.854  0.644  1.0
  Al  Al17  1  0.750  0.854  0.977  1.0
  Al  Al18  1  0.250  0.649  0.145  1.0
  Al  Al19  1  0.250  0.647  0.478  1.0
  Al  Al20  1  0.250  0.648  0.811  1.0
  Al  Al21  1  0.250  0.150  0.022  1.0
  Al  Al22  1  0.250  0.149  0.355  1.0
  Al  Al23  1  0.250  0.149  0.689  1.0
  Pd  Pd24  1  0.750  0.713  0.537  1.0
  Pd  Pd25  1  0.750  0.713  0.870  1.0
  Pd  Pd26  1  0.250  0.785  0.037  1.0
  Pd  Pd27  1  0.250  0.785  0.370  1.0
  Pd  Pd28  1  0.250  0.785  0.704  1.0
  Pd  Pd29  1  0.250  0.285  0.129  1.0
  Pd  Pd30  1  0.250  0.285  0.463  1.0
  Pd  Pd31  1  0.250  0.285  0.796  1.0
  Pt  Pt32  1  0.750  0.217  0.296  1.0
  Pt  Pt33  1  0.750  0.218  0.629  1.0
  Pt  Pt34  1  0.750  0.219  0.963  1.0
  Pt  Pt35  1  0.750  0.716  0.204  1.0
[/CIF]
.
The structure described by Ce3PtPd2Al3 crystallizes in the monoclinic Pm space group. There are twelve inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 11-coordinate geometry to one Pt(3), two equivalent Pd(3), two equivalent Pd(6), one Al(1), one Al(6), two equivalent Al(10), and two equivalent Al(7) atoms. In the second Ce site, Ce(2) is bonded in a 11-coordinate geometry to one Pt(1), two equivalent Pd(4), two equivalent Pd(7), one Al(2), one Al(4), two equivalent Al(11), and two equivalent Al(8) atoms. In the third Ce site, Ce(3) is bonded in a 11-coordinate geometry to one Pt(2), two equivalent Pd(5), two equivalent Pd(8), one Al(3), one Al(5), two equivalent Al(12), and two equivalent Al(9) atoms. In the fourth Ce site, Ce(4) is bonded in a 11-coordinate geometry to one Pt(4), two equivalent Pd(3), two equivalent Pd(6), one Al(1), one Al(6), two equivalent Al(10), and two equivalent Al(7) atoms. In the fifth Ce site, Ce(5) is bonded in a 11-coordinate geometry to one Pd(1), two equivalent Pd(4), two equivalent Pd(7), one Al(2), one Al(4), two equivalent Al(11), and two equivalent Al(8) atoms. In the sixth Ce site, Ce(6) is bonded in a 11-coordinate geometry to one Pd(2), two equivalent Pd(5), two equivalent Pd(8), one Al(3), one Al(5), two equivalent Al(12), and two equivalent Al(9) atoms. In the seventh Ce site, Ce(7) is bonded in a 11-coordinate geometry to two equivalent Pt(1), two equivalent Pt(4), one Pd(4), one Al(11), one Al(7), two equivalent Al(1), and two equivalent Al(4) atoms. In the eighth Ce site, Ce(8) is bonded in a 11-coordinate geometry to two equivalent Pt(2), one Pd(5), two equivalent Pd(1), one Al(12), one Al(8), two equivalent Al(2), and two equivalent Al(5) atoms. In the ninth Ce site, Ce(9) is bonded in a 11-coordinate geometry to two equivalent Pt(3), one Pd(3), two equivalent Pd(2), one Al(10), one Al(9), two equivalent Al(3), and two equivalent Al(6) atoms. In the tenth Ce site, Ce(10) is bonded in a 11-coordinate geometry to two equivalent Pt(1), two equivalent Pt(4), one Pd(6), one Al(11), one Al(7), two equivalent Al(1), and two equivalent Al(4) atoms. In the eleventh Ce site, Ce(11) is bonded in a 11-coordinate geometry to two equivalent Pt(2), one Pd(7), two equivalent Pd(1), one Al(12), one Al(8), two equivalent Al(2), and two equivalent Al(5) atoms. In the twelfth Ce site, Ce(12) is bonded in a 11-coordinate geometry to two equivalent Pt(3), one Pd(8), two equivalent Pd(2), one Al(10), one Al(9), two equivalent Al(3), and two equivalent Al(6) atoms. There are four inequivalent Pt sites. In the first Pt site, Pt(1) is bonded in a 9-coordinate geometry to one Ce(2), two equivalent Ce(10), two equivalent Ce(7), one Al(1), one Al(4), and two equivalent Al(11) atoms. In the second Pt site, Pt(2) is bonded in a 9-coordinate geometry to one Ce(3), two equivalent Ce(11), two equivalent Ce(8), one Al(2), one Al(5), and two equivalent Al(12) atoms. In the third Pt site, Pt(3) is bonded in a 9-coordinate geometry to one Ce(1), two equivalent Ce(12), two equivalent Ce(9), one Al(3), one Al(6), and two equivalent Al(10) atoms. In the fourth Pt site, Pt(4) is bonded in a 9-coordinate geometry to one Ce(4), two equivalent Ce(10), two equivalent Ce(7), one Al(1), one Al(4), and two equivalent Al(7) atoms. There are eight inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 9-coordinate geometry to one Ce(5), two equivalent Ce(11), two equivalent Ce(8), one Al(2), one Al(5), and two equivalent Al(8) atoms. In the second Pd site, Pd(2) is bonded in a 9-coordinate geometry to one Ce(6), two equivalent Ce(12), two equivalent Ce(9), one Al(3), one Al(6), and two equivalent Al(9) atoms. In the third Pd site, Pd(3) is bonded in a 9-coordinate geometry to one Ce(9), two equivalent Ce(1), two equivalent Ce(4), one Al(10), one Al(7), and two equivalent Al(6) atoms. In the fourth Pd site, Pd(4) is bonded in a 9-coordinate geometry to one Ce(7), two equivalent Ce(2), two equivalent Ce(5), one Al(11), one Al(8), and two equivalent Al(4) atoms. In the fifth Pd site, Pd(5) is bonded in a 9-coordinate geometry to one Ce(8), two equivalent Ce(3), two equivalent Ce(6), one Al(12), one Al(9), and two equivalent Al(5) atoms. In the sixth Pd site, Pd(6) is bonded in a 9-coordinate geometry to one Ce(10), two equivalent Ce(1), two equivalent Ce(4), one Al(10), one Al(7), and two equivalent Al(1) atoms. In the seventh Pd site, Pd(7) is bonded in a 9-coordinate geometry to one Ce(11), two equivalent Ce(2), two equivalent Ce(5), one Al(11), one Al(8), and two equivalent Al(2) atoms. In the eighth Pd site, Pd(8) is bonded in a 9-coordinate geometry to one Ce(12), two equivalent Ce(3), two equivalent Ce(6), one Al(12), one Al(9), and two equivalent Al(3) atoms. There are twelve inequivalent Al sites. In the first Al site, Al(1) is bonded in a 4-coordinate geometry to one Ce(1), one Ce(4), two equivalent Ce(10), two equivalent Ce(7), one Pt(1), one Pt(4), and two equivalent Pd(6) atoms. In the second Al site, Al(2) is bonded in a 4-coordinate geometry to one Ce(2), one Ce(5), two equivalent Ce(11), two equivalent Ce(8), one Pt(2), one Pd(1), and two equivalent Pd(7) atoms. In the third Al site, Al(3) is bonded in a 4-coordinate geometry to one Ce(3), one Ce(6), two equivalent Ce(12), two equivalent Ce(9), one Pt(3), one Pd(2), and two equivalent Pd(8) atoms. In the fourth Al site, Al(4) is bonded to one Ce(2), one Ce(5), two equivalent Ce(10), two equivalent Ce(7), one Pt(1), one Pt(4), and two equivalent Pd(4) atoms to form distorted face-sharing AlCe6Pd2Pt2 tetrahedra. In the fifth Al site, Al(5) is bonded to one Ce(3), one Ce(6), two equivalent Ce(11), two equivalent Ce(8), one Pt(2), one Pd(1), and two equivalent Pd(5) atoms to form distorted face-sharing AlCe6Pd3Pt tetrahedra. In the sixth Al site, Al(6) is bonded to one Ce(1), one Ce(4), two equivalent Ce(12), two equivalent Ce(9), one Pt(3), one Pd(2), and two equivalent Pd(3) atoms to form distorted face-sharing AlCe6Pd3Pt tetrahedra. In the seventh Al site, Al(7) is bonded in a 4-coordinate geometry to one Ce(10), one Ce(7), two equivalent Ce(1), two equivalent Ce(4), two equivalent Pt(4), one Pd(3), and one Pd(6) atom. In the eighth Al site, Al(8) is bonded in a 4-coordinate geometry to one Ce(11), one Ce(8), two equivalent Ce(2), two equivalent Ce(5), one Pd(4), one Pd(7), and two equivalent Pd(1) atoms. In the ninth Al site, Al(9) is bonded in a 4-coordinate geometry to one Ce(12), one Ce(9), two equivalent Ce(3), two equivalent Ce(6), one Pd(5), one Pd(8), and two equivalent Pd(2) atoms. In the tenth Al site, Al(10) is bonded in a 4-coordinate geometry to one Ce(12), one Ce(9), two equivalent Ce(1), two equivalent Ce(4), two equivalent Pt(3), one Pd(3), and one Pd(6) atom. In the eleventh Al site, Al(11) is bonded in a 4-coordinate geometry to one Ce(10), one Ce(7), two equivalent Ce(2), two equivalent Ce(5), two equivalent Pt(1), one Pd(4), and one Pd(7) atom. In the twelfth Al site, Al(12) is bonded in a 4-coordinate geometry to one Ce(11), one Ce(8), two equivalent Ce(3), two equivalent Ce(6), two equivalent Pt(2), one Pd(5), and one Pd(8) atom. is represented by the CIF file [CIF]
data_Ce3Al3Pd2Pt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.444
_cell_length_b   7.211
_cell_length_c   23.375
_cell_angle_alpha   89.565
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   749.134
_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
  Ce  Ce0  1  0.750  0.470  0.060  1.0
  Ce  Ce1  1  0.750  0.468  0.393  1.0
  Ce  Ce2  1  0.750  0.469  0.727  1.0
  Ce  Ce3  1  0.750  0.969  0.107  1.0
  Ce  Ce4  1  0.750  0.967  0.440  1.0
  Ce  Ce5  1  0.750  0.968  0.774  1.0
  Ce  Ce6  1  0.250  0.528  0.274  1.0
  Ce  Ce7  1  0.250  0.528  0.608  1.0
  Ce  Ce8  1  0.250  0.527  0.941  1.0
  Ce  Ce9  1  0.250  0.029  0.226  1.0
  Ce  Ce10  1  0.250  0.032  0.560  1.0
  Ce  Ce11  1  0.250  0.032  0.893  1.0
  Al  Al12  1  0.750  0.352  0.190  1.0
  Al  Al13  1  0.750  0.350  0.523  1.0
  Al  Al14  1  0.750  0.349  0.856  1.0
  Al  Al15  1  0.750  0.853  0.310  1.0
  Al  Al16  1  0.750  0.854  0.644  1.0
  Al  Al17  1  0.750  0.854  0.977  1.0
  Al  Al18  1  0.250  0.649  0.145  1.0
  Al  Al19  1  0.250  0.647  0.478  1.0
  Al  Al20  1  0.250  0.648  0.811  1.0
  Al  Al21  1  0.250  0.150  0.022  1.0
  Al  Al22  1  0.250  0.149  0.355  1.0
  Al  Al23  1  0.250  0.149  0.689  1.0
  Pd  Pd24  1  0.750  0.713  0.537  1.0
  Pd  Pd25  1  0.750  0.713  0.870  1.0
  Pd  Pd26  1  0.250  0.785  0.037  1.0
  Pd  Pd27  1  0.250  0.785  0.370  1.0
  Pd  Pd28  1  0.250  0.785  0.704  1.0
  Pd  Pd29  1  0.250  0.285  0.129  1.0
  Pd  Pd30  1  0.250  0.285  0.463  1.0
  Pd  Pd31  1  0.250  0.285  0.796  1.0
  Pt  Pt32  1  0.750  0.217  0.296  1.0
  Pt  Pt33  1  0.750  0.218  0.629  1.0
  Pt  Pt34  1  0.750  0.219  0.963  1.0
  Pt  Pt35  1  0.750  0.716  0.204  1.0
[/CIF]
.