The crystal structure described by Tm4(Pd3Al8)3 crystallizes in the triclinic P-1 space group. There are two inequivalent Tm sites. In the first Tm site, Tm(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(7), one Al(8), and two equivalent Al(1) atoms. In the second Tm site, Tm(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(1), 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 two equivalent Al(7) atoms. There are five inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 8-coordinate geometry to one Tm(1), one Tm(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 second Pd site, Pd(2) is bonded in a 8-coordinate geometry to two equivalent Tm(1), two equivalent Tm(2), one Al(10), one Al(12), two equivalent Al(1), two equivalent Al(7), and two equivalent Al(8) atoms. In the third Pd site, Pd(3) is bonded in a 8-coordinate geometry to one Tm(1), one Tm(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 fourth Pd site, Pd(4) is bonded in a 8-coordinate geometry to one Tm(1), one Tm(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 fifth Pd site, Pd(5) is bonded in a 8-coordinate geometry to two equivalent Tm(1), two equivalent Tm(2), two equivalent Al(1), two equivalent Al(11), two equivalent Al(7), and two equivalent Al(8) atoms. There are twelve inequivalent Al sites. In the first Al site, Al(1) is bonded in a 3-coordinate geometry to one Tm(2), two equivalent Tm(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)TmPd4 tetrahedra, corners with three equivalent Al(9)TmPd4 tetrahedra,  an edgeedge with one Al(2)Pd4 tetrahedra,  an edgeedge with one Al(3)TmPd4 tetrahedra, and  an edgeedge with one Al(9)TmPd4 tetrahedra. In the third Al site, Al(3) is bonded to one Tm(1), one Pd(1), one Pd(4), and two equivalent Pd(3) atoms to form distorted AlTmPd4 tetrahedra that share corners with three equivalent Al(2)Pd4 tetrahedra, corners with three equivalent Al(9)TmPd4 tetrahedra,  an edgeedge with one Al(2)Pd4 tetrahedra,  an edgeedge with one Al(3)TmPd4 tetrahedra, and  an edgeedge with one Al(9)TmPd4 tetrahedra. In the fourth Al site, Al(4) is bonded in a 3-coordinate geometry to one Tm(1), one Tm(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 Tm(1), one Tm(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 Tm(1), one Tm(2), one Pd(1), one Pd(3), and one Pd(4) atom. In the seventh Al site, Al(7) is bonded in a 3-coordinate geometry to one Tm(1), two equivalent Tm(2), one Pd(5), and two equivalent Pd(2) atoms. In the eighth Al site, Al(8) is bonded in a 3-coordinate geometry to one Tm(1), one Tm(2), one Pd(5), and two equivalent Pd(2) atoms. In the ninth Al site, Al(9) is bonded to one Tm(2), one Pd(3), one Pd(4), and two equivalent Pd(1) atoms to form distorted AlTmPd4 tetrahedra that share corners with three equivalent Al(2)Pd4 tetrahedra, corners with three equivalent Al(3)TmPd4 tetrahedra,  an edgeedge with one Al(2)Pd4 tetrahedra,  an edgeedge with one Al(3)TmPd4 tetrahedra, and  an edgeedge with one Al(9)TmPd4 tetrahedra. In the tenth Al site, Al(10) is bonded in a 2-coordinate geometry to one Tm(1), one Tm(2), one Pd(2), and one Pd(3) atom. In the eleventh Al site, Al(11) is bonded in a 2-coordinate geometry to one Tm(1), one Tm(2), one Pd(1), and one Pd(5) atom. In the twelfth Al site, Al(12) is bonded in a 2-coordinate geometry to one Tm(1), one Tm(2), one Pd(2), and one Pd(4) atom. is represented by the CIF file [CIF]
data_Tm4(Al8Pd3)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.480
_cell_length_b   7.495
_cell_length_c   13.042
_cell_angle_alpha   84.573
_cell_angle_beta   79.047
_cell_angle_gamma   59.930
_symmetry_Int_Tables_number   1
_cell_volume   621.232
_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
  Tm  Tm0  1  0.394  0.168  0.808  1.0
  Tm  Tm1  1  0.606  0.832  0.192  1.0
  Tm  Tm2  1  0.734  0.498  0.808  1.0
  Tm  Tm3  1  0.266  0.502  0.192  1.0
  Al  Al4  1  0.684  0.834  0.944  1.0
  Al  Al5  1  0.316  0.166  0.056  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  0.218  0.165  0.328  1.0
  Al  Al11  1  0.782  0.835  0.672  1.0
  Al  Al12  1  0.436  0.507  0.672  1.0
  Al  Al13  1  0.564  0.493  0.328  1.0
  Al  Al14  1  0.109  0.160  0.671  1.0
  Al  Al15  1  0.891  0.840  0.329  1.0
  Al  Al16  1  0.353  0.499  0.945  1.0
  Al  Al17  1  0.647  0.501  0.055  1.0
  Al  Al18  1  0.015  0.168  0.954  1.0
  Al  Al19  1  0.985  0.832  0.046  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  0.733  0.164  0.183  1.0
  Al  Al23  1  0.267  0.836  0.817  1.0
  Al  Al24  1  0.062  0.630  0.815  1.0
  Al  Al25  1  0.938  0.370  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  0.639  1.0
  Pd  Pd29  1  0.880  0.508  0.361  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  0.361  1.0
  Pd  Pd33  1  0.462  0.833  0.639  1.0
  Pd  Pd34  1  0.778  0.175  0.638  1.0
  Pd  Pd35  1  0.222  0.825  0.362  1.0
  Pd  Pd36  1  1.000  0.500  0.000  1.0
[/CIF]
.
The crystal structure described by Tm4(Pd3Al8)3 crystallizes in the triclinic P-1 space group. There are two inequivalent Tm sites. In the first Tm site, Tm(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(7), one Al(8), and two equivalent Al(1) atoms. In the second Tm site, Tm(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(1), 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 two equivalent Al(7) atoms. There are five inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 8-coordinate geometry to one Tm(1), one Tm(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 second Pd site, Pd(2) is bonded in a 8-coordinate geometry to two equivalent Tm(1), two equivalent Tm(2), one Al(10), one Al(12), two equivalent Al(1), two equivalent Al(7), and two equivalent Al(8) atoms. In the third Pd site, Pd(3) is bonded in a 8-coordinate geometry to one Tm(1), one Tm(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 fourth Pd site, Pd(4) is bonded in a 8-coordinate geometry to one Tm(1), one Tm(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 fifth Pd site, Pd(5) is bonded in a 8-coordinate geometry to two equivalent Tm(1), two equivalent Tm(2), two equivalent Al(1), two equivalent Al(11), two equivalent Al(7), and two equivalent Al(8) atoms. There are twelve inequivalent Al sites. In the first Al site, Al(1) is bonded in a 3-coordinate geometry to one Tm(2), two equivalent Tm(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)TmPd4 tetrahedra, corners with three equivalent Al(9)TmPd4 tetrahedra,  an edgeedge with one Al(2)Pd4 tetrahedra,  an edgeedge with one Al(3)TmPd4 tetrahedra, and  an edgeedge with one Al(9)TmPd4 tetrahedra. In the third Al site, Al(3) is bonded to one Tm(1), one Pd(1), one Pd(4), and two equivalent Pd(3) atoms to form distorted AlTmPd4 tetrahedra that share corners with three equivalent Al(2)Pd4 tetrahedra, corners with three equivalent Al(9)TmPd4 tetrahedra,  an edgeedge with one Al(2)Pd4 tetrahedra,  an edgeedge with one Al(3)TmPd4 tetrahedra, and  an edgeedge with one Al(9)TmPd4 tetrahedra. In the fourth Al site, Al(4) is bonded in a 3-coordinate geometry to one Tm(1), one Tm(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 Tm(1), one Tm(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 Tm(1), one Tm(2), one Pd(1), one Pd(3), and one Pd(4) atom. In the seventh Al site, Al(7) is bonded in a 3-coordinate geometry to one Tm(1), two equivalent Tm(2), one Pd(5), and two equivalent Pd(2) atoms. In the eighth Al site, Al(8) is bonded in a 3-coordinate geometry to one Tm(1), one Tm(2), one Pd(5), and two equivalent Pd(2) atoms. In the ninth Al site, Al(9) is bonded to one Tm(2), one Pd(3), one Pd(4), and two equivalent Pd(1) atoms to form distorted AlTmPd4 tetrahedra that share corners with three equivalent Al(2)Pd4 tetrahedra, corners with three equivalent Al(3)TmPd4 tetrahedra,  an edgeedge with one Al(2)Pd4 tetrahedra,  an edgeedge with one Al(3)TmPd4 tetrahedra, and  an edgeedge with one Al(9)TmPd4 tetrahedra. In the tenth Al site, Al(10) is bonded in a 2-coordinate geometry to one Tm(1), one Tm(2), one Pd(2), and one Pd(3) atom. In the eleventh Al site, Al(11) is bonded in a 2-coordinate geometry to one Tm(1), one Tm(2), one Pd(1), and one Pd(5) atom. In the twelfth Al site, Al(12) is bonded in a 2-coordinate geometry to one Tm(1), one Tm(2), one Pd(2), and one Pd(4) atom. is represented by the CIF file [CIF]
data_Tm4(Al8Pd3)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.480
_cell_length_b   7.495
_cell_length_c   13.042
_cell_angle_alpha   84.573
_cell_angle_beta   79.047
_cell_angle_gamma   59.930
_symmetry_Int_Tables_number   1
_cell_volume   621.232
_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
  Tm  Tm0  1  0.394  0.168  0.808  1.0
  Tm  Tm1  1  0.606  0.832  0.192  1.0
  Tm  Tm2  1  0.734  0.498  0.808  1.0
  Tm  Tm3  1  0.266  0.502  0.192  1.0
  Al  Al4  1  0.684  0.834  0.944  1.0
  Al  Al5  1  0.316  0.166  0.056  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  0.218  0.165  0.328  1.0
  Al  Al11  1  0.782  0.835  0.672  1.0
  Al  Al12  1  0.436  0.507  0.672  1.0
  Al  Al13  1  0.564  0.493  0.328  1.0
  Al  Al14  1  0.109  0.160  0.671  1.0
  Al  Al15  1  0.891  0.840  0.329  1.0
  Al  Al16  1  0.353  0.499  0.945  1.0
  Al  Al17  1  0.647  0.501  0.055  1.0
  Al  Al18  1  0.015  0.168  0.954  1.0
  Al  Al19  1  0.985  0.832  0.046  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  0.733  0.164  0.183  1.0
  Al  Al23  1  0.267  0.836  0.817  1.0
  Al  Al24  1  0.062  0.630  0.815  1.0
  Al  Al25  1  0.938  0.370  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  0.639  1.0
  Pd  Pd29  1  0.880  0.508  0.361  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  0.361  1.0
  Pd  Pd33  1  0.462  0.833  0.639  1.0
  Pd  Pd34  1  0.778  0.175  0.638  1.0
  Pd  Pd35  1  0.222  0.825  0.362  1.0
  Pd  Pd36  1  1.000  0.500  0.000  1.0
[/CIF]
.