The crystal structure described by Dy3TbAl8 is Hexagonal Laves-derived structured and crystallizes in the trigonal R3m 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), three equivalent Al(2), three equivalent Al(3), and six equivalent Al(4) atoms. In the second Dy site, Dy(2) is bonded in a 16-coordinate geometry to three equivalent Dy(1), one Tb(1), three equivalent Al(2), three equivalent Al(4), and six equivalent Al(3) atoms. In the third Dy site, Dy(3) is bonded in a 16-coordinate geometry to one Dy(1), three equivalent Tb(1), three equivalent Al(1), three equivalent Al(3), and six equivalent Al(4) atoms. Tb(1) is bonded in a 16-coordinate geometry to one Dy(2), three equivalent Dy(3), three equivalent Al(1), three equivalent Al(4), and six equivalent Al(3) atoms. There are four inequivalent Al sites. In the first Al site, Al(1) is bonded to three equivalent Dy(3), three equivalent Tb(1), three equivalent Al(3), and three equivalent Al(4) atoms to form AlTb3Dy3Al6 cuboctahedra that share corners with six equivalent Al(2)Dy6Al6 cuboctahedra, corners with six equivalent Al(3)Tb2Dy4Al6 cuboctahedra, corners with six equivalent Al(4)TbDy5Al6 cuboctahedra, edges with six equivalent Al(1)Tb3Dy3Al6 cuboctahedra, faces with nine equivalent Al(3)Tb2Dy4Al6 cuboctahedra, and faces with nine equivalent Al(4)TbDy5Al6 cuboctahedra. In the second Al site, Al(2) is bonded to three equivalent Dy(1), three equivalent Dy(2), three equivalent Al(3), and three equivalent Al(4) atoms to form AlDy6Al6 cuboctahedra that share corners with six equivalent Al(3)Tb2Dy4Al6 cuboctahedra, corners with six equivalent Al(1)Tb3Dy3Al6 cuboctahedra, corners with six equivalent Al(4)TbDy5Al6 cuboctahedra, edges with six equivalent Al(2)Dy6Al6 cuboctahedra, faces with nine equivalent Al(3)Tb2Dy4Al6 cuboctahedra, and faces with nine equivalent Al(4)TbDy5Al6 cuboctahedra. In the third Al site, Al(3) is bonded to one Dy(1), one Dy(3), two equivalent Dy(2), two equivalent Tb(1), one Al(1), one Al(2), and four equivalent Al(3) atoms to form AlTb2Dy4Al6 cuboctahedra that share corners with two equivalent Al(2)Dy6Al6 cuboctahedra, corners with two equivalent Al(1)Tb3Dy3Al6 cuboctahedra, corners with four equivalent Al(3)Tb2Dy4Al6 cuboctahedra, corners with ten equivalent Al(4)TbDy5Al6 cuboctahedra, edges with two equivalent Al(3)Tb2Dy4Al6 cuboctahedra, edges with four equivalent Al(4)TbDy5Al6 cuboctahedra, faces with three equivalent Al(2)Dy6Al6 cuboctahedra, faces with three equivalent Al(1)Tb3Dy3Al6 cuboctahedra, faces with four equivalent Al(4)TbDy5Al6 cuboctahedra, and faces with eight equivalent Al(3)Tb2Dy4Al6 cuboctahedra. In the fourth Al site, Al(4) is bonded to one Dy(2), two equivalent Dy(1), two equivalent Dy(3), one Tb(1), one Al(1), one Al(2), and four equivalent Al(4) atoms to form AlTbDy5Al6 cuboctahedra that share corners with two equivalent Al(2)Dy6Al6 cuboctahedra, corners with two equivalent Al(1)Tb3Dy3Al6 cuboctahedra, corners with four equivalent Al(4)TbDy5Al6 cuboctahedra, corners with ten equivalent Al(3)Tb2Dy4Al6 cuboctahedra, edges with two equivalent Al(4)TbDy5Al6 cuboctahedra, edges with four equivalent Al(3)Tb2Dy4Al6 cuboctahedra, faces with three equivalent Al(2)Dy6Al6 cuboctahedra, faces with three equivalent Al(1)Tb3Dy3Al6 cuboctahedra, faces with four equivalent Al(3)Tb2Dy4Al6 cuboctahedra, and faces with eight equivalent Al(4)TbDy5Al6 cuboctahedra. is represented by the CIF file [CIF]
data_TbDy3Al8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.596
_cell_length_b   9.596
_cell_length_c   9.596
_cell_angle_alpha   33.547
_cell_angle_beta   33.547
_cell_angle_gamma   33.547
_symmetry_Int_Tables_number   1
_cell_volume   240.384
_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
  Tb  Tb0  1  0.812  0.812  0.812  1.0
  Dy  Dy1  1  0.312  0.312  0.312  1.0
  Dy  Dy2  1  0.688  0.688  0.688  1.0
  Dy  Dy3  1  0.188  0.188  0.188  1.0
  Al  Al4  1  0.500  0.500  0.500  1.0
  Al  Al5  1  1.000  1.000  1.000  1.0
  Al  Al6  1  0.250  0.250  0.750  1.0
  Al  Al7  1  0.750  0.750  0.250  1.0
  Al  Al8  1  0.250  0.750  0.250  1.0
  Al  Al9  1  0.750  0.250  0.750  1.0
  Al  Al10  1  0.750  0.250  0.250  1.0
  Al  Al11  1  0.250  0.750  0.750  1.0
[/CIF]
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The crystal structure described by Dy3TbAl8 is Hexagonal Laves-derived structured and crystallizes in the trigonal R3m 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), three equivalent Al(2), three equivalent Al(3), and six equivalent Al(4) atoms. In the second Dy site, Dy(2) is bonded in a 16-coordinate geometry to three equivalent Dy(1), one Tb(1), three equivalent Al(2), three equivalent Al(4), and six equivalent Al(3) atoms. In the third Dy site, Dy(3) is bonded in a 16-coordinate geometry to one Dy(1), three equivalent Tb(1), three equivalent Al(1), three equivalent Al(3), and six equivalent Al(4) atoms. Tb(1) is bonded in a 16-coordinate geometry to one Dy(2), three equivalent Dy(3), three equivalent Al(1), three equivalent Al(4), and six equivalent Al(3) atoms. There are four inequivalent Al sites. In the first Al site, Al(1) is bonded to three equivalent Dy(3), three equivalent Tb(1), three equivalent Al(3), and three equivalent Al(4) atoms to form AlTb3Dy3Al6 cuboctahedra that share corners with six equivalent Al(2)Dy6Al6 cuboctahedra, corners with six equivalent Al(3)Tb2Dy4Al6 cuboctahedra, corners with six equivalent Al(4)TbDy5Al6 cuboctahedra, edges with six equivalent Al(1)Tb3Dy3Al6 cuboctahedra, faces with nine equivalent Al(3)Tb2Dy4Al6 cuboctahedra, and faces with nine equivalent Al(4)TbDy5Al6 cuboctahedra. In the second Al site, Al(2) is bonded to three equivalent Dy(1), three equivalent Dy(2), three equivalent Al(3), and three equivalent Al(4) atoms to form AlDy6Al6 cuboctahedra that share corners with six equivalent Al(3)Tb2Dy4Al6 cuboctahedra, corners with six equivalent Al(1)Tb3Dy3Al6 cuboctahedra, corners with six equivalent Al(4)TbDy5Al6 cuboctahedra, edges with six equivalent Al(2)Dy6Al6 cuboctahedra, faces with nine equivalent Al(3)Tb2Dy4Al6 cuboctahedra, and faces with nine equivalent Al(4)TbDy5Al6 cuboctahedra. In the third Al site, Al(3) is bonded to one Dy(1), one Dy(3), two equivalent Dy(2), two equivalent Tb(1), one Al(1), one Al(2), and four equivalent Al(3) atoms to form AlTb2Dy4Al6 cuboctahedra that share corners with two equivalent Al(2)Dy6Al6 cuboctahedra, corners with two equivalent Al(1)Tb3Dy3Al6 cuboctahedra, corners with four equivalent Al(3)Tb2Dy4Al6 cuboctahedra, corners with ten equivalent Al(4)TbDy5Al6 cuboctahedra, edges with two equivalent Al(3)Tb2Dy4Al6 cuboctahedra, edges with four equivalent Al(4)TbDy5Al6 cuboctahedra, faces with three equivalent Al(2)Dy6Al6 cuboctahedra, faces with three equivalent Al(1)Tb3Dy3Al6 cuboctahedra, faces with four equivalent Al(4)TbDy5Al6 cuboctahedra, and faces with eight equivalent Al(3)Tb2Dy4Al6 cuboctahedra. In the fourth Al site, Al(4) is bonded to one Dy(2), two equivalent Dy(1), two equivalent Dy(3), one Tb(1), one Al(1), one Al(2), and four equivalent Al(4) atoms to form AlTbDy5Al6 cuboctahedra that share corners with two equivalent Al(2)Dy6Al6 cuboctahedra, corners with two equivalent Al(1)Tb3Dy3Al6 cuboctahedra, corners with four equivalent Al(4)TbDy5Al6 cuboctahedra, corners with ten equivalent Al(3)Tb2Dy4Al6 cuboctahedra, edges with two equivalent Al(4)TbDy5Al6 cuboctahedra, edges with four equivalent Al(3)Tb2Dy4Al6 cuboctahedra, faces with three equivalent Al(2)Dy6Al6 cuboctahedra, faces with three equivalent Al(1)Tb3Dy3Al6 cuboctahedra, faces with four equivalent Al(3)Tb2Dy4Al6 cuboctahedra, and faces with eight equivalent Al(4)TbDy5Al6 cuboctahedra. is represented by the CIF file [CIF]
data_TbDy3Al8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.596
_cell_length_b   9.596
_cell_length_c   9.596
_cell_angle_alpha   33.547
_cell_angle_beta   33.547
_cell_angle_gamma   33.547
_symmetry_Int_Tables_number   1
_cell_volume   240.384
_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
  Tb  Tb0  1  0.812  0.812  0.812  1.0
  Dy  Dy1  1  0.312  0.312  0.312  1.0
  Dy  Dy2  1  0.688  0.688  0.688  1.0
  Dy  Dy3  1  0.188  0.188  0.188  1.0
  Al  Al4  1  0.500  0.500  0.500  1.0
  Al  Al5  1  1.000  1.000  1.000  1.0
  Al  Al6  1  0.250  0.250  0.750  1.0
  Al  Al7  1  0.750  0.750  0.250  1.0
  Al  Al8  1  0.250  0.750  0.250  1.0
  Al  Al9  1  0.750  0.250  0.750  1.0
  Al  Al10  1  0.750  0.250  0.250  1.0
  Al  Al11  1  0.250  0.750  0.750  1.0
[/CIF]
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