The crystal structure described by Dy3(FeAl2)2 crystallizes in the triclinic P-1 space group. There are three inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 16-coordinate geometry to one Dy(3), three equivalent Dy(2), one Fe(1), one Fe(3), two equivalent Fe(2), one Al(4), two equivalent Al(1), two equivalent Al(5), and three equivalent Al(2) atoms. In the second Dy site, Dy(2) is bonded in a 16-coordinate geometry to one Dy(2), three equivalent Dy(1), one Fe(2), two equivalent Fe(1), two equivalent Fe(3), one Al(1), one Al(5), two equivalent Al(4), and three equivalent Al(2) atoms. In the third Dy site, Dy(3) is bonded in a 16-coordinate geometry to one Dy(1), three equivalent Dy(3), three equivalent Fe(2), three equivalent Al(1), three equivalent Al(3), and three equivalent Al(5) atoms. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to two equivalent Dy(1), four equivalent Dy(2), two equivalent Fe(3), two equivalent Al(2), and two equivalent Al(4) atoms to form FeDy6Al4Fe2 cuboctahedra that share corners with two equivalent Fe(2)Dy6Al6 cuboctahedra, corners with four equivalent Fe(1)Dy6Al4Fe2 cuboctahedra, corners with four equivalent Al(2)Dy6Al3Fe3 cuboctahedra, corners with four equivalent Al(1)Dy6Al4Fe2 cuboctahedra, corners with four equivalent Al(5)Dy6Al4Fe2 cuboctahedra, edges with two equivalent Fe(1)Dy6Al4Fe2 cuboctahedra, edges with four equivalent Fe(2)Dy6Al6 cuboctahedra, faces with two equivalent Al(1)Dy6Al4Fe2 cuboctahedra, faces with two equivalent Al(5)Dy6Al4Fe2 cuboctahedra, faces with four equivalent Fe(3)Dy6Al4Fe2 cuboctahedra, faces with four equivalent Al(4)Dy6Al2Fe4 cuboctahedra, and faces with six equivalent Al(2)Dy6Al3Fe3 cuboctahedra. In the second Fe site, Fe(2) is bonded to one Dy(2), two equivalent Dy(1), three equivalent Dy(3), one Al(2), one Al(3), two equivalent Al(1), and two equivalent Al(5) atoms to form FeDy6Al6 cuboctahedra that share  a cornercorner with one Fe(1)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Fe(3)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Al(4)Dy6Al2Fe4 cuboctahedra, corners with two equivalent Al(2)Dy6Al3Fe3 cuboctahedra, corners with two equivalent Al(1)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Al(3)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Al(5)Dy6Al4Fe2 cuboctahedra, corners with five equivalent Fe(2)Dy6Al6 cuboctahedra, edges with two equivalent Fe(1)Dy6Al4Fe2 cuboctahedra, edges with four equivalent Fe(2)Dy6Al6 cuboctahedra,  a faceface with one Fe(3)Dy6Al4Fe2 cuboctahedra,  a faceface with one Al(4)Dy6Al2Fe4 cuboctahedra, faces with three equivalent Al(2)Dy6Al3Fe3 cuboctahedra, faces with three equivalent Al(3)Dy6Al4Fe2 cuboctahedra, faces with five equivalent Al(1)Dy6Al4Fe2 cuboctahedra, and faces with five equivalent Al(5)Dy6Al4Fe2 cuboctahedra. In the third Fe site, Fe(3) is bonded to two equivalent Dy(1), four equivalent Dy(2), two equivalent Fe(1), two equivalent Al(2), and two equivalent Al(4) atoms to form FeDy6Al4Fe2 cuboctahedra that share corners with two equivalent Al(1)Dy6Al4Fe2 cuboctahedra, corners with four equivalent Fe(3)Dy6Al4Fe2 cuboctahedra, corners with four equivalent Fe(2)Dy6Al6 cuboctahedra, corners with four equivalent Al(2)Dy6Al3Fe3 cuboctahedra, corners with four equivalent Al(5)Dy6Al4Fe2 cuboctahedra, edges with two equivalent Fe(3)Dy6Al4Fe2 cuboctahedra, edges with four equivalent Al(1)Dy6Al4Fe2 cuboctahedra, faces with two equivalent Fe(2)Dy6Al6 cuboctahedra, faces with two equivalent Al(5)Dy6Al4Fe2 cuboctahedra, faces with four equivalent Fe(1)Dy6Al4Fe2 cuboctahedra, faces with four equivalent Al(4)Dy6Al2Fe4 cuboctahedra, and faces with six equivalent Al(2)Dy6Al3Fe3 cuboctahedra. There are five inequivalent Al sites. In the first Al site, Al(1) is bonded to one Dy(2), two equivalent Dy(1), three equivalent Dy(3), two equivalent Fe(2), one Al(2), one Al(3), and two equivalent Al(5) atoms to form distorted AlDy6Al4Fe2 cuboctahedra that share  a cornercorner with one Fe(3)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Fe(1)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Fe(2)Dy6Al6 cuboctahedra, corners with two equivalent Al(4)Dy6Al2Fe4 cuboctahedra, corners with two equivalent Al(2)Dy6Al3Fe3 cuboctahedra, corners with two equivalent Al(3)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Al(5)Dy6Al4Fe2 cuboctahedra, corners with five equivalent Al(1)Dy6Al4Fe2 cuboctahedra, edges with two equivalent Fe(3)Dy6Al4Fe2 cuboctahedra, edges with four equivalent Al(1)Dy6Al4Fe2 cuboctahedra,  a faceface with one Fe(1)Dy6Al4Fe2 cuboctahedra,  a faceface with one Al(4)Dy6Al2Fe4 cuboctahedra, faces with three equivalent Al(2)Dy6Al3Fe3 cuboctahedra, faces with three equivalent Al(3)Dy6Al4Fe2 cuboctahedra, faces with five equivalent Fe(2)Dy6Al6 cuboctahedra, and faces with five equivalent Al(5)Dy6Al4Fe2 cuboctahedra. In the second Al site, Al(2) is bonded to three equivalent Dy(1), three equivalent Dy(2), one Fe(1), one Fe(2), one Fe(3), one Al(1), one Al(4), and one Al(5) atom to form distorted AlDy6Al3Fe3 cuboctahedra that share corners with two equivalent Fe(1)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Fe(3)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Fe(2)Dy6Al6 cuboctahedra, corners with two equivalent Al(4)Dy6Al2Fe4 cuboctahedra, corners with two equivalent Al(1)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Al(5)Dy6Al4Fe2 cuboctahedra, corners with three equivalent Al(2)Dy6Al3Fe3 cuboctahedra, corners with three equivalent Al(3)Dy6Al4Fe2 cuboctahedra, edges with six equivalent Al(2)Dy6Al3Fe3 cuboctahedra, faces with three equivalent Fe(1)Dy6Al4Fe2 cuboctahedra, faces with three equivalent Fe(3)Dy6Al4Fe2 cuboctahedra, faces with three equivalent Fe(2)Dy6Al6 cuboctahedra, faces with three equivalent Al(4)Dy6Al2Fe4 cuboctahedra, faces with three equivalent Al(1)Dy6Al4Fe2 cuboctahedra, and faces with three equivalent Al(5)Dy6Al4Fe2 cuboctahedra. In the third Al site, Al(3) is bonded to six equivalent Dy(3), two equivalent Fe(2), two equivalent Al(1), and two equivalent Al(5) atoms to form AlDy6Al4Fe2 cuboctahedra that share corners with four equivalent Fe(2)Dy6Al6 cuboctahedra, corners with four equivalent Al(1)Dy6Al4Fe2 cuboctahedra, corners with four equivalent Al(5)Dy6Al4Fe2 cuboctahedra, corners with six equivalent Al(2)Dy6Al3Fe3 cuboctahedra, edges with six equivalent Al(3)Dy6Al4Fe2 cuboctahedra, faces with six equivalent Fe(2)Dy6Al6 cuboctahedra, faces with six equivalent Al(1)Dy6Al4Fe2 cuboctahedra, and faces with six equivalent Al(5)Dy6Al4Fe2 cuboctahedra. In the fourth Al site, Al(4) is bonded to two equivalent Dy(1), four equivalent Dy(2), two equivalent Fe(1), two equivalent Fe(3), and two equivalent Al(2) atoms to form AlDy6Al2Fe4 cuboctahedra that share corners with two equivalent Al(5)Dy6Al4Fe2 cuboctahedra, corners with four equivalent Fe(2)Dy6Al6 cuboctahedra, corners with four equivalent Al(4)Dy6Al2Fe4 cuboctahedra, corners with four equivalent Al(2)Dy6Al3Fe3 cuboctahedra, corners with four equivalent Al(1)Dy6Al4Fe2 cuboctahedra, edges with two equivalent Al(4)Dy6Al2Fe4 cuboctahedra, edges with four equivalent Al(5)Dy6Al4Fe2 cuboctahedra, faces with two equivalent Fe(2)Dy6Al6 cuboctahedra, faces with two equivalent Al(1)Dy6Al4Fe2 cuboctahedra, faces with four equivalent Fe(1)Dy6Al4Fe2 cuboctahedra, faces with four equivalent Fe(3)Dy6Al4Fe2 cuboctahedra, and faces with six equivalent Al(2)Dy6Al3Fe3 cuboctahedra. In the fifth Al site, Al(5) is bonded to one Dy(2), two equivalent Dy(1), three equivalent Dy(3), two equivalent Fe(2), one Al(2), one Al(3), and two equivalent Al(1) atoms to form AlDy6Al4Fe2 cuboctahedra that share  a cornercorner with one Al(4)Dy6Al2Fe4 cuboctahedra, corners with two equivalent Fe(1)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Fe(3)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Fe(2)Dy6Al6 cuboctahedra, corners with two equivalent Al(2)Dy6Al3Fe3 cuboctahedra, corners with two equivalent Al(1)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Al(3)Dy6Al4Fe2 cuboctahedra, corners with five equivalent Al(5)Dy6Al4Fe2 cuboctahedra, edges with two equivalent Al(4)Dy6Al2Fe4 cuboctahedra, edges with four equivalent Al(5)Dy6Al4Fe2 cuboctahedra,  a faceface with one Fe(1)Dy6Al4Fe2 cuboctahedra,  a faceface with one Fe(3)Dy6Al4Fe2 cuboctahedra, faces with three equivalent Al(2)Dy6Al3Fe3 cuboctahedra, faces with three equivalent Al(3)Dy6Al4Fe2 cuboctahedra, faces with five equivalent Fe(2)Dy6Al6 cuboctahedra, and faces with five equivalent Al(1)Dy6Al4Fe2 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Dy3(Al2Fe)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.383
_cell_length_b   5.392
_cell_length_c   13.374
_cell_angle_alpha   90.417
_cell_angle_beta   89.168
_cell_angle_gamma   119.073
_symmetry_Int_Tables_number   1
_cell_volume   339.201
_cell_formula_units_Z   2
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
  Dy  Dy0  1  0.339  0.669  0.919  1.0
  Dy  Dy1  1  0.009  0.001  0.246  1.0
  Dy  Dy2  1  0.668  0.331  0.583  1.0
  Dy  Dy3  1  0.332  0.669  0.667  1.0
  Dy  Dy4  1  0.991  0.999  0.004  1.0
  Dy  Dy5  1  0.661  0.331  0.331  1.0
  Al  Al6  1  0.168  0.335  0.457  1.0
  Al  Al7  1  0.832  0.665  0.793  1.0
  Al  Al8  1  0.342  0.679  0.287  1.0
  Al  Al9  1  0.000  0.000  0.625  1.0
  Al  Al10  1  0.658  0.321  0.963  1.0
  Al  Al11  1  0.000  0.500  0.125  1.0
  Al  Al12  1  0.666  0.832  0.457  1.0
  Al  Al13  1  0.334  0.168  0.793  1.0
  Fe  Fe14  1  0.500  0.500  0.125  1.0
  Fe  Fe15  1  0.166  0.833  0.458  1.0
  Fe  Fe16  1  0.834  0.167  0.792  1.0
  Fe  Fe17  1  0.500  0.000  0.125  1.0
[/CIF]
.
The crystal structure described by Dy3(FeAl2)2 crystallizes in the triclinic P-1 space group. There are three inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 16-coordinate geometry to one Dy(3), three equivalent Dy(2), one Fe(1), one Fe(3), two equivalent Fe(2), one Al(4), two equivalent Al(1), two equivalent Al(5), and three equivalent Al(2) atoms. In the second Dy site, Dy(2) is bonded in a 16-coordinate geometry to one Dy(2), three equivalent Dy(1), one Fe(2), two equivalent Fe(1), two equivalent Fe(3), one Al(1), one Al(5), two equivalent Al(4), and three equivalent Al(2) atoms. In the third Dy site, Dy(3) is bonded in a 16-coordinate geometry to one Dy(1), three equivalent Dy(3), three equivalent Fe(2), three equivalent Al(1), three equivalent Al(3), and three equivalent Al(5) atoms. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to two equivalent Dy(1), four equivalent Dy(2), two equivalent Fe(3), two equivalent Al(2), and two equivalent Al(4) atoms to form FeDy6Al4Fe2 cuboctahedra that share corners with two equivalent Fe(2)Dy6Al6 cuboctahedra, corners with four equivalent Fe(1)Dy6Al4Fe2 cuboctahedra, corners with four equivalent Al(2)Dy6Al3Fe3 cuboctahedra, corners with four equivalent Al(1)Dy6Al4Fe2 cuboctahedra, corners with four equivalent Al(5)Dy6Al4Fe2 cuboctahedra, edges with two equivalent Fe(1)Dy6Al4Fe2 cuboctahedra, edges with four equivalent Fe(2)Dy6Al6 cuboctahedra, faces with two equivalent Al(1)Dy6Al4Fe2 cuboctahedra, faces with two equivalent Al(5)Dy6Al4Fe2 cuboctahedra, faces with four equivalent Fe(3)Dy6Al4Fe2 cuboctahedra, faces with four equivalent Al(4)Dy6Al2Fe4 cuboctahedra, and faces with six equivalent Al(2)Dy6Al3Fe3 cuboctahedra. In the second Fe site, Fe(2) is bonded to one Dy(2), two equivalent Dy(1), three equivalent Dy(3), one Al(2), one Al(3), two equivalent Al(1), and two equivalent Al(5) atoms to form FeDy6Al6 cuboctahedra that share  a cornercorner with one Fe(1)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Fe(3)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Al(4)Dy6Al2Fe4 cuboctahedra, corners with two equivalent Al(2)Dy6Al3Fe3 cuboctahedra, corners with two equivalent Al(1)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Al(3)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Al(5)Dy6Al4Fe2 cuboctahedra, corners with five equivalent Fe(2)Dy6Al6 cuboctahedra, edges with two equivalent Fe(1)Dy6Al4Fe2 cuboctahedra, edges with four equivalent Fe(2)Dy6Al6 cuboctahedra,  a faceface with one Fe(3)Dy6Al4Fe2 cuboctahedra,  a faceface with one Al(4)Dy6Al2Fe4 cuboctahedra, faces with three equivalent Al(2)Dy6Al3Fe3 cuboctahedra, faces with three equivalent Al(3)Dy6Al4Fe2 cuboctahedra, faces with five equivalent Al(1)Dy6Al4Fe2 cuboctahedra, and faces with five equivalent Al(5)Dy6Al4Fe2 cuboctahedra. In the third Fe site, Fe(3) is bonded to two equivalent Dy(1), four equivalent Dy(2), two equivalent Fe(1), two equivalent Al(2), and two equivalent Al(4) atoms to form FeDy6Al4Fe2 cuboctahedra that share corners with two equivalent Al(1)Dy6Al4Fe2 cuboctahedra, corners with four equivalent Fe(3)Dy6Al4Fe2 cuboctahedra, corners with four equivalent Fe(2)Dy6Al6 cuboctahedra, corners with four equivalent Al(2)Dy6Al3Fe3 cuboctahedra, corners with four equivalent Al(5)Dy6Al4Fe2 cuboctahedra, edges with two equivalent Fe(3)Dy6Al4Fe2 cuboctahedra, edges with four equivalent Al(1)Dy6Al4Fe2 cuboctahedra, faces with two equivalent Fe(2)Dy6Al6 cuboctahedra, faces with two equivalent Al(5)Dy6Al4Fe2 cuboctahedra, faces with four equivalent Fe(1)Dy6Al4Fe2 cuboctahedra, faces with four equivalent Al(4)Dy6Al2Fe4 cuboctahedra, and faces with six equivalent Al(2)Dy6Al3Fe3 cuboctahedra. There are five inequivalent Al sites. In the first Al site, Al(1) is bonded to one Dy(2), two equivalent Dy(1), three equivalent Dy(3), two equivalent Fe(2), one Al(2), one Al(3), and two equivalent Al(5) atoms to form distorted AlDy6Al4Fe2 cuboctahedra that share  a cornercorner with one Fe(3)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Fe(1)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Fe(2)Dy6Al6 cuboctahedra, corners with two equivalent Al(4)Dy6Al2Fe4 cuboctahedra, corners with two equivalent Al(2)Dy6Al3Fe3 cuboctahedra, corners with two equivalent Al(3)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Al(5)Dy6Al4Fe2 cuboctahedra, corners with five equivalent Al(1)Dy6Al4Fe2 cuboctahedra, edges with two equivalent Fe(3)Dy6Al4Fe2 cuboctahedra, edges with four equivalent Al(1)Dy6Al4Fe2 cuboctahedra,  a faceface with one Fe(1)Dy6Al4Fe2 cuboctahedra,  a faceface with one Al(4)Dy6Al2Fe4 cuboctahedra, faces with three equivalent Al(2)Dy6Al3Fe3 cuboctahedra, faces with three equivalent Al(3)Dy6Al4Fe2 cuboctahedra, faces with five equivalent Fe(2)Dy6Al6 cuboctahedra, and faces with five equivalent Al(5)Dy6Al4Fe2 cuboctahedra. In the second Al site, Al(2) is bonded to three equivalent Dy(1), three equivalent Dy(2), one Fe(1), one Fe(2), one Fe(3), one Al(1), one Al(4), and one Al(5) atom to form distorted AlDy6Al3Fe3 cuboctahedra that share corners with two equivalent Fe(1)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Fe(3)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Fe(2)Dy6Al6 cuboctahedra, corners with two equivalent Al(4)Dy6Al2Fe4 cuboctahedra, corners with two equivalent Al(1)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Al(5)Dy6Al4Fe2 cuboctahedra, corners with three equivalent Al(2)Dy6Al3Fe3 cuboctahedra, corners with three equivalent Al(3)Dy6Al4Fe2 cuboctahedra, edges with six equivalent Al(2)Dy6Al3Fe3 cuboctahedra, faces with three equivalent Fe(1)Dy6Al4Fe2 cuboctahedra, faces with three equivalent Fe(3)Dy6Al4Fe2 cuboctahedra, faces with three equivalent Fe(2)Dy6Al6 cuboctahedra, faces with three equivalent Al(4)Dy6Al2Fe4 cuboctahedra, faces with three equivalent Al(1)Dy6Al4Fe2 cuboctahedra, and faces with three equivalent Al(5)Dy6Al4Fe2 cuboctahedra. In the third Al site, Al(3) is bonded to six equivalent Dy(3), two equivalent Fe(2), two equivalent Al(1), and two equivalent Al(5) atoms to form AlDy6Al4Fe2 cuboctahedra that share corners with four equivalent Fe(2)Dy6Al6 cuboctahedra, corners with four equivalent Al(1)Dy6Al4Fe2 cuboctahedra, corners with four equivalent Al(5)Dy6Al4Fe2 cuboctahedra, corners with six equivalent Al(2)Dy6Al3Fe3 cuboctahedra, edges with six equivalent Al(3)Dy6Al4Fe2 cuboctahedra, faces with six equivalent Fe(2)Dy6Al6 cuboctahedra, faces with six equivalent Al(1)Dy6Al4Fe2 cuboctahedra, and faces with six equivalent Al(5)Dy6Al4Fe2 cuboctahedra. In the fourth Al site, Al(4) is bonded to two equivalent Dy(1), four equivalent Dy(2), two equivalent Fe(1), two equivalent Fe(3), and two equivalent Al(2) atoms to form AlDy6Al2Fe4 cuboctahedra that share corners with two equivalent Al(5)Dy6Al4Fe2 cuboctahedra, corners with four equivalent Fe(2)Dy6Al6 cuboctahedra, corners with four equivalent Al(4)Dy6Al2Fe4 cuboctahedra, corners with four equivalent Al(2)Dy6Al3Fe3 cuboctahedra, corners with four equivalent Al(1)Dy6Al4Fe2 cuboctahedra, edges with two equivalent Al(4)Dy6Al2Fe4 cuboctahedra, edges with four equivalent Al(5)Dy6Al4Fe2 cuboctahedra, faces with two equivalent Fe(2)Dy6Al6 cuboctahedra, faces with two equivalent Al(1)Dy6Al4Fe2 cuboctahedra, faces with four equivalent Fe(1)Dy6Al4Fe2 cuboctahedra, faces with four equivalent Fe(3)Dy6Al4Fe2 cuboctahedra, and faces with six equivalent Al(2)Dy6Al3Fe3 cuboctahedra. In the fifth Al site, Al(5) is bonded to one Dy(2), two equivalent Dy(1), three equivalent Dy(3), two equivalent Fe(2), one Al(2), one Al(3), and two equivalent Al(1) atoms to form AlDy6Al4Fe2 cuboctahedra that share  a cornercorner with one Al(4)Dy6Al2Fe4 cuboctahedra, corners with two equivalent Fe(1)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Fe(3)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Fe(2)Dy6Al6 cuboctahedra, corners with two equivalent Al(2)Dy6Al3Fe3 cuboctahedra, corners with two equivalent Al(1)Dy6Al4Fe2 cuboctahedra, corners with two equivalent Al(3)Dy6Al4Fe2 cuboctahedra, corners with five equivalent Al(5)Dy6Al4Fe2 cuboctahedra, edges with two equivalent Al(4)Dy6Al2Fe4 cuboctahedra, edges with four equivalent Al(5)Dy6Al4Fe2 cuboctahedra,  a faceface with one Fe(1)Dy6Al4Fe2 cuboctahedra,  a faceface with one Fe(3)Dy6Al4Fe2 cuboctahedra, faces with three equivalent Al(2)Dy6Al3Fe3 cuboctahedra, faces with three equivalent Al(3)Dy6Al4Fe2 cuboctahedra, faces with five equivalent Fe(2)Dy6Al6 cuboctahedra, and faces with five equivalent Al(1)Dy6Al4Fe2 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Dy3(Al2Fe)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.383
_cell_length_b   5.392
_cell_length_c   13.374
_cell_angle_alpha   90.417
_cell_angle_beta   89.168
_cell_angle_gamma   119.073
_symmetry_Int_Tables_number   1
_cell_volume   339.201
_cell_formula_units_Z   2
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
  Dy  Dy0  1  0.339  0.669  0.919  1.0
  Dy  Dy1  1  0.009  0.001  0.246  1.0
  Dy  Dy2  1  0.668  0.331  0.583  1.0
  Dy  Dy3  1  0.332  0.669  0.667  1.0
  Dy  Dy4  1  0.991  0.999  0.004  1.0
  Dy  Dy5  1  0.661  0.331  0.331  1.0
  Al  Al6  1  0.168  0.335  0.457  1.0
  Al  Al7  1  0.832  0.665  0.793  1.0
  Al  Al8  1  0.342  0.679  0.287  1.0
  Al  Al9  1  0.000  0.000  0.625  1.0
  Al  Al10  1  0.658  0.321  0.963  1.0
  Al  Al11  1  0.000  0.500  0.125  1.0
  Al  Al12  1  0.666  0.832  0.457  1.0
  Al  Al13  1  0.334  0.168  0.793  1.0
  Fe  Fe14  1  0.500  0.500  0.125  1.0
  Fe  Fe15  1  0.166  0.833  0.458  1.0
  Fe  Fe16  1  0.834  0.167  0.792  1.0
  Fe  Fe17  1  0.500  0.000  0.125  1.0
[/CIF]
.