The structure described by Ho4(Pd3Al8)3 crystallizes in the triclinic P-1 space group. There are two inequivalent Ho sites. In the first Ho site, Ho(1) is bonded in a 17-coordinate geometry to one Pd(1); one Pd(3); one Pd(4); one Pd(5); two equivalent Pd(2); one Al(10); one Al(11); one Al(12); one Al(3); one Al(4); one Al(5); one Al(6); one Al(8); and three equivalent Al(1,7) atoms. In the second Ho site, Ho(2) is bonded in a 17-coordinate geometry to one Pd(1); one Pd(3); one Pd(4); one Pd(5); two equivalent Pd(2); one Al(10); one Al(11); one Al(12); one Al(4); one Al(5); one Al(6); one Al(8); one Al(9); and three equivalent Al(1,7) atoms. There are five inequivalent Pd sites. In the first Pd site, Pd(3) is bonded in a 8-coordinate geometry to one Ho(1), one Ho(2), one Al(10), one Al(2), one Al(4), one Al(5), one Al(6), one Al(9), and two equivalent Al(3) atoms. In the second Pd site, Pd(4) is bonded in a 8-coordinate geometry to one Ho(1), one Ho(2), one Al(12), one Al(3), one Al(4), one Al(5), one Al(6), one Al(9), and two equivalent Al(2) atoms. In the third Pd site, Pd(5) is bonded in a 8-coordinate geometry to two equivalent Ho(1); two equivalent Ho(2); two equivalent Al(11); two equivalent Al(8); and four equivalent Al(1,7) atoms. In the fourth Pd site, Pd(1) is bonded in a 8-coordinate geometry to one Ho(1), one Ho(2), one Al(11), one Al(2), one Al(3), one Al(4), one Al(5), one Al(6), and two equivalent Al(9) atoms. In the fifth Pd site, Pd(2) is bonded in a 8-coordinate geometry to two equivalent Ho(1); two equivalent Ho(2); one Al(10); one Al(12); two equivalent Al(8); and four equivalent Al(1,7) atoms. There are eleven inequivalent Al sites. In the first Al site, Al(1,7) is bonded in a 3-coordinate geometry to one Ho(2), two equivalent Ho(1), one Pd(5), and two equivalent Pd(2) atoms. In the second Al site, Al(2) is bonded to one Pd(1), one Pd(3), and two equivalent Pd(4) atoms to form distorted AlPd4 tetrahedra that share corners with three equivalent Al(3)HoPd4 tetrahedra, corners with three equivalent Al(9)HoPd4 tetrahedra,  an edgeedge with one Al(3)HoPd4 tetrahedra,  an edgeedge with one Al(9)HoPd4 tetrahedra, and  an edgeedge with one Al(2)Pd4 tetrahedra. In the third Al site, Al(3) is bonded to one Ho(1), one Pd(1), one Pd(4), and two equivalent Pd(3) atoms to form distorted AlHoPd4 tetrahedra that share corners with three equivalent Al(9)HoPd4 tetrahedra, corners with three equivalent Al(2)Pd4 tetrahedra,  an edgeedge with one Al(3)HoPd4 tetrahedra,  an edgeedge with one Al(9)HoPd4 tetrahedra, and  an edgeedge with one Al(2)Pd4 tetrahedra. In the fourth Al site, Al(4) is bonded in a 3-coordinate geometry to one Ho(1), one Ho(2), one Pd(1), one Pd(3), and one Pd(4) atom. In the fifth Al site, Al(5) is bonded in a 3-coordinate geometry to one Ho(1), one Ho(2), one Pd(1), one Pd(3), and one Pd(4) atom. In the sixth Al site, Al(6) is bonded in a 3-coordinate geometry to one Ho(1), one Ho(2), one Pd(1), one Pd(3), and one Pd(4) atom. In the seventh Al site, Al(8) is bonded in a 3-coordinate geometry to one Ho(1), one Ho(2), one Pd(5), and two equivalent Pd(2) atoms. In the eighth Al site, Al(9) is bonded to one Ho(2), one Pd(3), one Pd(4), and two equivalent Pd(1) atoms to form distorted AlHoPd4 tetrahedra that share corners with three equivalent Al(3)HoPd4 tetrahedra, corners with three equivalent Al(2)Pd4 tetrahedra,  an edgeedge with one Al(3)HoPd4 tetrahedra,  an edgeedge with one Al(9)HoPd4 tetrahedra, and  an edgeedge with one Al(2)Pd4 tetrahedra. In the ninth Al site, Al(10) is bonded in a 2-coordinate geometry to one Ho(1), one Ho(2), one Pd(2), and one Pd(3) atom. In the tenth Al site, Al(11) is bonded in a 2-coordinate geometry to one Ho(1), one Ho(2), one Pd(1), and one Pd(5) atom. In the eleventh Al site, Al(12) is bonded in a 2-coordinate geometry to one Ho(1), one Ho(2), one Pd(2), and one Pd(4) atom. is represented by the CIF card [CIF]
data_Ho4(Al8Pd3)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.493
_cell_length_b   7.509
_cell_length_c   13.080
_cell_angle_alpha   84.564
_cell_angle_beta   79.051
_cell_angle_gamma   59.925
_symmetry_Int_Tables_number   1
_cell_volume   625.282
_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
  Ho  Ho0  1  0.394  0.168  0.809  1.0
  Ho  Ho1  1  0.606  0.832  0.191  1.0
  Ho  Ho2  1  0.734  0.498  0.809  1.0
  Ho  Ho3  1  0.266  0.502  0.191  1.0
  Al  Al4  1  0.684  0.834  0.945  1.0
  Al  Al5  1  0.316  0.166  0.055  1.0
  Al  Al6  1  0.146  0.833  0.562  1.0
  Al  Al7  1  0.854  0.167  0.438  1.0
  Al  Al8  1  0.480  0.167  0.560  1.0
  Al  Al9  1  0.520  0.833  0.440  1.0
  Al  Al10  1  0.217  0.165  0.329  1.0
  Al  Al11  1  0.783  0.835  0.671  1.0
  Al  Al12  1  0.437  0.507  0.671  1.0
  Al  Al13  1  0.563  0.493  0.329  1.0
  Al  Al14  1  0.109  0.159  0.670  1.0
  Al  Al15  1  0.891  0.841  0.330  1.0
  Al  Al16  1  0.352  0.500  0.945  1.0
  Al  Al17  1  0.648  0.500  0.055  1.0
  Al  Al18  1  0.015  0.167  0.955  1.0
  Al  Al19  1  0.985  0.833  0.045  1.0
  Al  Al20  1  0.187  0.500  0.440  1.0
  Al  Al21  1  0.813  0.500  0.560  1.0
  Al  Al22  1  0.734  0.164  0.184  1.0
  Al  Al23  1  0.266  0.836  0.816  1.0
  Al  Al24  1  0.062  0.631  0.815  1.0
  Al  Al25  1  0.938  0.369  0.185  1.0
  Al  Al26  1  0.855  0.042  0.816  1.0
  Al  Al27  1  0.145  0.958  0.184  1.0
  Pd  Pd28  1  0.120  0.492  0.638  1.0
  Pd  Pd29  1  0.880  0.508  0.362  1.0
  Pd  Pd30  1  0.656  0.172  1.000  1.0
  Pd  Pd31  1  0.344  0.828  0.000  1.0
  Pd  Pd32  1  0.538  0.167  0.362  1.0
  Pd  Pd33  1  0.462  0.833  0.638  1.0
  Pd  Pd34  1  0.779  0.175  0.638  1.0
  Pd  Pd35  1  0.221  0.825  0.362  1.0
  Pd  Pd36  1  0.000  0.500  0.000  1.0
[/CIF]
.
The structure described by Ho4(Pd3Al8)3 crystallizes in the triclinic P-1 space group. There are two inequivalent Ho sites. In the first Ho site, Ho(1) is bonded in a 17-coordinate geometry to one Pd(1); one Pd(3); one Pd(4); one Pd(5); two equivalent Pd(2); one Al(10); one Al(11); one Al(12); one Al(3); one Al(4); one Al(5); one Al(6); one Al(8); and three equivalent Al(1,7) atoms. In the second Ho site, Ho(2) is bonded in a 17-coordinate geometry to one Pd(1); one Pd(3); one Pd(4); one Pd(5); two equivalent Pd(2); one Al(10); one Al(11); one Al(12); one Al(4); one Al(5); one Al(6); one Al(8); one Al(9); and three equivalent Al(1,7) atoms. There are five inequivalent Pd sites. In the first Pd site, Pd(3) is bonded in a 8-coordinate geometry to one Ho(1), one Ho(2), one Al(10), one Al(2), one Al(4), one Al(5), one Al(6), one Al(9), and two equivalent Al(3) atoms. In the second Pd site, Pd(4) is bonded in a 8-coordinate geometry to one Ho(1), one Ho(2), one Al(12), one Al(3), one Al(4), one Al(5), one Al(6), one Al(9), and two equivalent Al(2) atoms. In the third Pd site, Pd(5) is bonded in a 8-coordinate geometry to two equivalent Ho(1); two equivalent Ho(2); two equivalent Al(11); two equivalent Al(8); and four equivalent Al(1,7) atoms. In the fourth Pd site, Pd(1) is bonded in a 8-coordinate geometry to one Ho(1), one Ho(2), one Al(11), one Al(2), one Al(3), one Al(4), one Al(5), one Al(6), and two equivalent Al(9) atoms. In the fifth Pd site, Pd(2) is bonded in a 8-coordinate geometry to two equivalent Ho(1); two equivalent Ho(2); one Al(10); one Al(12); two equivalent Al(8); and four equivalent Al(1,7) atoms. There are eleven inequivalent Al sites. In the first Al site, Al(1,7) is bonded in a 3-coordinate geometry to one Ho(2), two equivalent Ho(1), one Pd(5), and two equivalent Pd(2) atoms. In the second Al site, Al(2) is bonded to one Pd(1), one Pd(3), and two equivalent Pd(4) atoms to form distorted AlPd4 tetrahedra that share corners with three equivalent Al(3)HoPd4 tetrahedra, corners with three equivalent Al(9)HoPd4 tetrahedra,  an edgeedge with one Al(3)HoPd4 tetrahedra,  an edgeedge with one Al(9)HoPd4 tetrahedra, and  an edgeedge with one Al(2)Pd4 tetrahedra. In the third Al site, Al(3) is bonded to one Ho(1), one Pd(1), one Pd(4), and two equivalent Pd(3) atoms to form distorted AlHoPd4 tetrahedra that share corners with three equivalent Al(9)HoPd4 tetrahedra, corners with three equivalent Al(2)Pd4 tetrahedra,  an edgeedge with one Al(3)HoPd4 tetrahedra,  an edgeedge with one Al(9)HoPd4 tetrahedra, and  an edgeedge with one Al(2)Pd4 tetrahedra. In the fourth Al site, Al(4) is bonded in a 3-coordinate geometry to one Ho(1), one Ho(2), one Pd(1), one Pd(3), and one Pd(4) atom. In the fifth Al site, Al(5) is bonded in a 3-coordinate geometry to one Ho(1), one Ho(2), one Pd(1), one Pd(3), and one Pd(4) atom. In the sixth Al site, Al(6) is bonded in a 3-coordinate geometry to one Ho(1), one Ho(2), one Pd(1), one Pd(3), and one Pd(4) atom. In the seventh Al site, Al(8) is bonded in a 3-coordinate geometry to one Ho(1), one Ho(2), one Pd(5), and two equivalent Pd(2) atoms. In the eighth Al site, Al(9) is bonded to one Ho(2), one Pd(3), one Pd(4), and two equivalent Pd(1) atoms to form distorted AlHoPd4 tetrahedra that share corners with three equivalent Al(3)HoPd4 tetrahedra, corners with three equivalent Al(2)Pd4 tetrahedra,  an edgeedge with one Al(3)HoPd4 tetrahedra,  an edgeedge with one Al(9)HoPd4 tetrahedra, and  an edgeedge with one Al(2)Pd4 tetrahedra. In the ninth Al site, Al(10) is bonded in a 2-coordinate geometry to one Ho(1), one Ho(2), one Pd(2), and one Pd(3) atom. In the tenth Al site, Al(11) is bonded in a 2-coordinate geometry to one Ho(1), one Ho(2), one Pd(1), and one Pd(5) atom. In the eleventh Al site, Al(12) is bonded in a 2-coordinate geometry to one Ho(1), one Ho(2), one Pd(2), and one Pd(4) atom. is represented by the CIF card [CIF]
data_Ho4(Al8Pd3)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.493
_cell_length_b   7.509
_cell_length_c   13.080
_cell_angle_alpha   84.564
_cell_angle_beta   79.051
_cell_angle_gamma   59.925
_symmetry_Int_Tables_number   1
_cell_volume   625.282
_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
  Ho  Ho0  1  0.394  0.168  0.809  1.0
  Ho  Ho1  1  0.606  0.832  0.191  1.0
  Ho  Ho2  1  0.734  0.498  0.809  1.0
  Ho  Ho3  1  0.266  0.502  0.191  1.0
  Al  Al4  1  0.684  0.834  0.945  1.0
  Al  Al5  1  0.316  0.166  0.055  1.0
  Al  Al6  1  0.146  0.833  0.562  1.0
  Al  Al7  1  0.854  0.167  0.438  1.0
  Al  Al8  1  0.480  0.167  0.560  1.0
  Al  Al9  1  0.520  0.833  0.440  1.0
  Al  Al10  1  0.217  0.165  0.329  1.0
  Al  Al11  1  0.783  0.835  0.671  1.0
  Al  Al12  1  0.437  0.507  0.671  1.0
  Al  Al13  1  0.563  0.493  0.329  1.0
  Al  Al14  1  0.109  0.159  0.670  1.0
  Al  Al15  1  0.891  0.841  0.330  1.0
  Al  Al16  1  0.352  0.500  0.945  1.0
  Al  Al17  1  0.648  0.500  0.055  1.0
  Al  Al18  1  0.015  0.167  0.955  1.0
  Al  Al19  1  0.985  0.833  0.045  1.0
  Al  Al20  1  0.187  0.500  0.440  1.0
  Al  Al21  1  0.813  0.500  0.560  1.0
  Al  Al22  1  0.734  0.164  0.184  1.0
  Al  Al23  1  0.266  0.836  0.816  1.0
  Al  Al24  1  0.062  0.631  0.815  1.0
  Al  Al25  1  0.938  0.369  0.185  1.0
  Al  Al26  1  0.855  0.042  0.816  1.0
  Al  Al27  1  0.145  0.958  0.184  1.0
  Pd  Pd28  1  0.120  0.492  0.638  1.0
  Pd  Pd29  1  0.880  0.508  0.362  1.0
  Pd  Pd30  1  0.656  0.172  1.000  1.0
  Pd  Pd31  1  0.344  0.828  0.000  1.0
  Pd  Pd32  1  0.538  0.167  0.362  1.0
  Pd  Pd33  1  0.462  0.833  0.638  1.0
  Pd  Pd34  1  0.779  0.175  0.638  1.0
  Pd  Pd35  1  0.221  0.825  0.362  1.0
  Pd  Pd36  1  0.000  0.500  0.000  1.0
[/CIF]
.