The structure described by ZnAl2 is alpha La-derived structured and crystallizes in the trigonal P-3m1 space group. Zn(1) is bonded to six equivalent Zn(1) and six equivalent Al(1) atoms to form ZnAl6Zn6 cuboctahedra that share corners with six equivalent Zn(1)Al6Zn6 cuboctahedra, corners with six equivalent Al(1)Al9Zn3 cuboctahedra, edges with six equivalent Zn(1)Al6Zn6 cuboctahedra, edges with eighteen equivalent Al(1)Al9Zn3 cuboctahedra, faces with six equivalent Zn(1)Al6Zn6 cuboctahedra, and faces with twelve equivalent Al(1)Al9Zn3 cuboctahedra. Al(1) is bonded to three equivalent Zn(1) and nine equivalent Al(1) atoms to form AlAl9Zn3 cuboctahedra that share corners with three equivalent Zn(1)Al6Zn6 cuboctahedra, corners with nine equivalent Al(1)Al9Zn3 cuboctahedra, edges with nine equivalent Zn(1)Al6Zn6 cuboctahedra, edges with fifteen equivalent Al(1)Al9Zn3 cuboctahedra, faces with six equivalent Zn(1)Al6Zn6 cuboctahedra, and faces with twelve equivalent Al(1)Al9Zn3 cuboctahedra. is represented by the CIF file [CIF]
data_Al2Zn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.801
_cell_length_b   2.801
_cell_length_c   6.822
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   46.362
_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
  Al  Al0  1  0.333  0.667  0.332  1.0
  Al  Al1  1  0.667  0.333  0.668  1.0
  Zn  Zn2  1  0.000  0.000  0.000  1.0
[/CIF]
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The structure described by ZnAl2 is alpha La-derived structured and crystallizes in the trigonal P-3m1 space group. Zn(1) is bonded to six equivalent Zn(1) and six equivalent Al(1) atoms to form ZnAl6Zn6 cuboctahedra that share corners with six equivalent Zn(1)Al6Zn6 cuboctahedra, corners with six equivalent Al(1)Al9Zn3 cuboctahedra, edges with six equivalent Zn(1)Al6Zn6 cuboctahedra, edges with eighteen equivalent Al(1)Al9Zn3 cuboctahedra, faces with six equivalent Zn(1)Al6Zn6 cuboctahedra, and faces with twelve equivalent Al(1)Al9Zn3 cuboctahedra. Al(1) is bonded to three equivalent Zn(1) and nine equivalent Al(1) atoms to form AlAl9Zn3 cuboctahedra that share corners with three equivalent Zn(1)Al6Zn6 cuboctahedra, corners with nine equivalent Al(1)Al9Zn3 cuboctahedra, edges with nine equivalent Zn(1)Al6Zn6 cuboctahedra, edges with fifteen equivalent Al(1)Al9Zn3 cuboctahedra, faces with six equivalent Zn(1)Al6Zn6 cuboctahedra, and faces with twelve equivalent Al(1)Al9Zn3 cuboctahedra. is represented by the CIF file [CIF]
data_Al2Zn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.801
_cell_length_b   2.801
_cell_length_c   6.822
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   46.362
_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
  Al  Al0  1  0.333  0.667  0.332  1.0
  Al  Al1  1  0.667  0.333  0.668  1.0
  Zn  Zn2  1  0.000  0.000  0.000  1.0
[/CIF]
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