The material described by TaZnAl is Hexagonal Laves-derived structured and crystallizes in the orthorhombic Amm2 space group. There are two inequivalent Ta sites. In the first Ta site, Ta(1) is bonded in a 16-coordinate geometry to one Ta(1), three equivalent Ta(2), one Zn(3), two equivalent Zn(1), two equivalent Zn(2), three equivalent Al(1), and four equivalent Al(2) atoms. In the second Ta site, Ta(2) is bonded in a 16-coordinate geometry to one Ta(2), three equivalent Ta(1), one Zn(1), two equivalent Zn(3), four equivalent Zn(2), two equivalent Al(2), and three equivalent Al(1) atoms. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to two equivalent Ta(2), four equivalent Ta(1), two equivalent Al(1), and four equivalent Al(2) atoms to form ZnTa6Al6 cuboctahedra that share corners with two equivalent Zn(3)Ta6Al2Zn4 cuboctahedra, corners with four equivalent Zn(1)Ta6Al6 cuboctahedra, corners with four equivalent Al(1)Ta6Al2Zn4 cuboctahedra, corners with eight equivalent Zn(2)Ta6Al2Zn4 cuboctahedra, edges with two equivalent Zn(1)Ta6Al6 cuboctahedra, edges with four equivalent Zn(3)Ta6Al2Zn4 cuboctahedra, faces with four equivalent Zn(2)Ta6Al2Zn4 cuboctahedra, faces with six equivalent Al(1)Ta6Al2Zn4 cuboctahedra, and faces with eight equivalent Al(2)Ta6Al4Zn2 cuboctahedra. In the second Zn site, Zn(2) is bonded to two equivalent Ta(1), four equivalent Ta(2), two equivalent Zn(2), two equivalent Zn(3), and two equivalent Al(1) atoms to form ZnTa6Al2Zn4 cuboctahedra that share corners with four equivalent Zn(2)Ta6Al2Zn4 cuboctahedra, corners with four equivalent Zn(1)Ta6Al6 cuboctahedra, corners with four equivalent Al(1)Ta6Al2Zn4 cuboctahedra, corners with six equivalent Al(2)Ta6Al4Zn2 cuboctahedra, edges with two equivalent Zn(2)Ta6Al2Zn4 cuboctahedra, edges with four equivalent Al(2)Ta6Al4Zn2 cuboctahedra, faces with two equivalent Zn(1)Ta6Al6 cuboctahedra, faces with two equivalent Al(2)Ta6Al4Zn2 cuboctahedra, faces with four equivalent Zn(2)Ta6Al2Zn4 cuboctahedra, faces with four equivalent Zn(3)Ta6Al2Zn4 cuboctahedra, and faces with six equivalent Al(1)Ta6Al2Zn4 cuboctahedra. In the third Zn site, Zn(3) is bonded to two equivalent Ta(1), four equivalent Ta(2), four equivalent Zn(2), and two equivalent Al(1) atoms to form ZnTa6Al2Zn4 cuboctahedra that share corners with two equivalent Zn(1)Ta6Al6 cuboctahedra, corners with four equivalent Zn(3)Ta6Al2Zn4 cuboctahedra, corners with four equivalent Al(1)Ta6Al2Zn4 cuboctahedra, corners with eight equivalent Al(2)Ta6Al4Zn2 cuboctahedra, edges with two equivalent Zn(3)Ta6Al2Zn4 cuboctahedra, edges with four equivalent Zn(1)Ta6Al6 cuboctahedra, faces with four equivalent Al(2)Ta6Al4Zn2 cuboctahedra, faces with six equivalent Al(1)Ta6Al2Zn4 cuboctahedra, and faces with eight equivalent Zn(2)Ta6Al2Zn4 cuboctahedra. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded to three equivalent Ta(1), three equivalent Ta(2), one Zn(1), one Zn(3), two equivalent Zn(2), and two equivalent Al(2) atoms to form AlTa6Al2Zn4 cuboctahedra that share corners with two equivalent Zn(3)Ta6Al2Zn4 cuboctahedra, corners with two equivalent Zn(1)Ta6Al6 cuboctahedra, corners with four equivalent Zn(2)Ta6Al2Zn4 cuboctahedra, corners with four equivalent Al(2)Ta6Al4Zn2 cuboctahedra, edges with six equivalent Al(1)Ta6Al2Zn4 cuboctahedra, faces with two equivalent Al(1)Ta6Al2Zn4 cuboctahedra, faces with three equivalent Zn(3)Ta6Al2Zn4 cuboctahedra, faces with three equivalent Zn(1)Ta6Al6 cuboctahedra, faces with six equivalent Zn(2)Ta6Al2Zn4 cuboctahedra, and faces with six equivalent Al(2)Ta6Al4Zn2 cuboctahedra. In the second Al site, Al(2) is bonded to two equivalent Ta(2), four equivalent Ta(1), two equivalent Zn(1), two equivalent Al(1), and two equivalent Al(2) atoms to form AlTa6Al4Zn2 cuboctahedra that share corners with four equivalent Zn(3)Ta6Al2Zn4 cuboctahedra, corners with four equivalent Al(1)Ta6Al2Zn4 cuboctahedra, corners with four equivalent Al(2)Ta6Al4Zn2 cuboctahedra, corners with six equivalent Zn(2)Ta6Al2Zn4 cuboctahedra, edges with two equivalent Al(2)Ta6Al4Zn2 cuboctahedra, edges with four equivalent Zn(2)Ta6Al2Zn4 cuboctahedra, faces with two equivalent Zn(2)Ta6Al2Zn4 cuboctahedra, faces with two equivalent Zn(3)Ta6Al2Zn4 cuboctahedra, faces with four equivalent Zn(1)Ta6Al6 cuboctahedra, faces with four equivalent Al(2)Ta6Al4Zn2 cuboctahedra, and faces with six equivalent Al(1)Ta6Al2Zn4 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_TaAlZn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.988
_cell_length_b   4.988
_cell_length_c   8.269
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   119.315
_symmetry_Int_Tables_number   1
_cell_volume   179.432
_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
  Ta  Ta0  1  0.665  0.335  0.314  1.0
  Ta  Ta1  1  0.337  0.663  0.191  1.0
  Ta  Ta2  1  0.337  0.663  0.809  1.0
  Ta  Ta3  1  0.665  0.335  0.686  1.0
  Al  Al4  1  0.003  0.997  0.242  1.0
  Al  Al5  1  0.003  0.997  0.758  1.0
  Al  Al6  1  0.654  0.833  0.500  1.0
  Al  Al7  1  0.167  0.346  0.500  1.0
  Zn  Zn8  1  0.167  0.833  0.500  1.0
  Zn  Zn9  1  0.347  0.172  0.000  1.0
  Zn  Zn10  1  0.828  0.653  0.000  1.0
  Zn  Zn11  1  0.828  0.172  0.000  1.0
[/CIF]
.
The material described by TaZnAl is Hexagonal Laves-derived structured and crystallizes in the orthorhombic Amm2 space group. There are two inequivalent Ta sites. In the first Ta site, Ta(1) is bonded in a 16-coordinate geometry to one Ta(1), three equivalent Ta(2), one Zn(3), two equivalent Zn(1), two equivalent Zn(2), three equivalent Al(1), and four equivalent Al(2) atoms. In the second Ta site, Ta(2) is bonded in a 16-coordinate geometry to one Ta(2), three equivalent Ta(1), one Zn(1), two equivalent Zn(3), four equivalent Zn(2), two equivalent Al(2), and three equivalent Al(1) atoms. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to two equivalent Ta(2), four equivalent Ta(1), two equivalent Al(1), and four equivalent Al(2) atoms to form ZnTa6Al6 cuboctahedra that share corners with two equivalent Zn(3)Ta6Al2Zn4 cuboctahedra, corners with four equivalent Zn(1)Ta6Al6 cuboctahedra, corners with four equivalent Al(1)Ta6Al2Zn4 cuboctahedra, corners with eight equivalent Zn(2)Ta6Al2Zn4 cuboctahedra, edges with two equivalent Zn(1)Ta6Al6 cuboctahedra, edges with four equivalent Zn(3)Ta6Al2Zn4 cuboctahedra, faces with four equivalent Zn(2)Ta6Al2Zn4 cuboctahedra, faces with six equivalent Al(1)Ta6Al2Zn4 cuboctahedra, and faces with eight equivalent Al(2)Ta6Al4Zn2 cuboctahedra. In the second Zn site, Zn(2) is bonded to two equivalent Ta(1), four equivalent Ta(2), two equivalent Zn(2), two equivalent Zn(3), and two equivalent Al(1) atoms to form ZnTa6Al2Zn4 cuboctahedra that share corners with four equivalent Zn(2)Ta6Al2Zn4 cuboctahedra, corners with four equivalent Zn(1)Ta6Al6 cuboctahedra, corners with four equivalent Al(1)Ta6Al2Zn4 cuboctahedra, corners with six equivalent Al(2)Ta6Al4Zn2 cuboctahedra, edges with two equivalent Zn(2)Ta6Al2Zn4 cuboctahedra, edges with four equivalent Al(2)Ta6Al4Zn2 cuboctahedra, faces with two equivalent Zn(1)Ta6Al6 cuboctahedra, faces with two equivalent Al(2)Ta6Al4Zn2 cuboctahedra, faces with four equivalent Zn(2)Ta6Al2Zn4 cuboctahedra, faces with four equivalent Zn(3)Ta6Al2Zn4 cuboctahedra, and faces with six equivalent Al(1)Ta6Al2Zn4 cuboctahedra. In the third Zn site, Zn(3) is bonded to two equivalent Ta(1), four equivalent Ta(2), four equivalent Zn(2), and two equivalent Al(1) atoms to form ZnTa6Al2Zn4 cuboctahedra that share corners with two equivalent Zn(1)Ta6Al6 cuboctahedra, corners with four equivalent Zn(3)Ta6Al2Zn4 cuboctahedra, corners with four equivalent Al(1)Ta6Al2Zn4 cuboctahedra, corners with eight equivalent Al(2)Ta6Al4Zn2 cuboctahedra, edges with two equivalent Zn(3)Ta6Al2Zn4 cuboctahedra, edges with four equivalent Zn(1)Ta6Al6 cuboctahedra, faces with four equivalent Al(2)Ta6Al4Zn2 cuboctahedra, faces with six equivalent Al(1)Ta6Al2Zn4 cuboctahedra, and faces with eight equivalent Zn(2)Ta6Al2Zn4 cuboctahedra. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded to three equivalent Ta(1), three equivalent Ta(2), one Zn(1), one Zn(3), two equivalent Zn(2), and two equivalent Al(2) atoms to form AlTa6Al2Zn4 cuboctahedra that share corners with two equivalent Zn(3)Ta6Al2Zn4 cuboctahedra, corners with two equivalent Zn(1)Ta6Al6 cuboctahedra, corners with four equivalent Zn(2)Ta6Al2Zn4 cuboctahedra, corners with four equivalent Al(2)Ta6Al4Zn2 cuboctahedra, edges with six equivalent Al(1)Ta6Al2Zn4 cuboctahedra, faces with two equivalent Al(1)Ta6Al2Zn4 cuboctahedra, faces with three equivalent Zn(3)Ta6Al2Zn4 cuboctahedra, faces with three equivalent Zn(1)Ta6Al6 cuboctahedra, faces with six equivalent Zn(2)Ta6Al2Zn4 cuboctahedra, and faces with six equivalent Al(2)Ta6Al4Zn2 cuboctahedra. In the second Al site, Al(2) is bonded to two equivalent Ta(2), four equivalent Ta(1), two equivalent Zn(1), two equivalent Al(1), and two equivalent Al(2) atoms to form AlTa6Al4Zn2 cuboctahedra that share corners with four equivalent Zn(3)Ta6Al2Zn4 cuboctahedra, corners with four equivalent Al(1)Ta6Al2Zn4 cuboctahedra, corners with four equivalent Al(2)Ta6Al4Zn2 cuboctahedra, corners with six equivalent Zn(2)Ta6Al2Zn4 cuboctahedra, edges with two equivalent Al(2)Ta6Al4Zn2 cuboctahedra, edges with four equivalent Zn(2)Ta6Al2Zn4 cuboctahedra, faces with two equivalent Zn(2)Ta6Al2Zn4 cuboctahedra, faces with two equivalent Zn(3)Ta6Al2Zn4 cuboctahedra, faces with four equivalent Zn(1)Ta6Al6 cuboctahedra, faces with four equivalent Al(2)Ta6Al4Zn2 cuboctahedra, and faces with six equivalent Al(1)Ta6Al2Zn4 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_TaAlZn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.988
_cell_length_b   4.988
_cell_length_c   8.269
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   119.315
_symmetry_Int_Tables_number   1
_cell_volume   179.432
_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
  Ta  Ta0  1  0.665  0.335  0.314  1.0
  Ta  Ta1  1  0.337  0.663  0.191  1.0
  Ta  Ta2  1  0.337  0.663  0.809  1.0
  Ta  Ta3  1  0.665  0.335  0.686  1.0
  Al  Al4  1  0.003  0.997  0.242  1.0
  Al  Al5  1  0.003  0.997  0.758  1.0
  Al  Al6  1  0.654  0.833  0.500  1.0
  Al  Al7  1  0.167  0.346  0.500  1.0
  Zn  Zn8  1  0.167  0.833  0.500  1.0
  Zn  Zn9  1  0.347  0.172  0.000  1.0
  Zn  Zn10  1  0.828  0.653  0.000  1.0
  Zn  Zn11  1  0.828  0.172  0.000  1.0
[/CIF]
.