The crystal structure described by AlCuY crystallizes in the hexagonal P-62m space group. There are two inequivalent Y sites. In the first Y site, Y(1) is bonded in a 9-coordinate geometry to six equivalent Cu(1) and three equivalent Al(1) atoms. In the second Y site, Y(2) is bonded in a distorted q6 geometry to three equivalent Cu(1) and six equivalent Al(1) atoms. Cu(1) is bonded in a 7-coordinate geometry to one Y(2), four equivalent Y(1), and two equivalent Al(1) atoms. Al(1) is bonded in a 8-coordinate geometry to two equivalent Y(1), two equivalent Y(2), two equivalent Cu(1), and two equivalent Al(1) atoms. is represented by the CIF card [CIF]
data_YAlCu
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.165
_cell_length_b   7.165
_cell_length_c   4.600
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   204.497
_cell_formula_units_Z   3
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
  Y  Y0  1  0.333  0.667  0.500  1.0
  Y  Y1  1  0.667  0.333  0.500  1.0
  Y  Y2  1  0.000  0.000  0.000  1.0
  Al  Al3  1  0.228  0.000  0.500  1.0
  Al  Al4  1  0.000  0.228  0.500  1.0
  Al  Al5  1  0.772  0.772  0.500  1.0
  Cu  Cu6  1  0.401  0.000  0.000  1.0
  Cu  Cu7  1  0.000  0.401  0.000  1.0
  Cu  Cu8  1  0.599  0.599  0.000  1.0
[/CIF]
.
The crystal structure described by AlCuY crystallizes in the hexagonal P-62m space group. There are two inequivalent Y sites. In the first Y site, Y(1) is bonded in a 9-coordinate geometry to six equivalent Cu(1) and three equivalent Al(1) atoms. In the second Y site, Y(2) is bonded in a distorted q6 geometry to three equivalent Cu(1) and six equivalent Al(1) atoms. Cu(1) is bonded in a 7-coordinate geometry to one Y(2), four equivalent Y(1), and two equivalent Al(1) atoms. Al(1) is bonded in a 8-coordinate geometry to two equivalent Y(1), two equivalent Y(2), two equivalent Cu(1), and two equivalent Al(1) atoms. is represented by the CIF card [CIF]
data_YAlCu
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.165
_cell_length_b   7.165
_cell_length_c   4.600
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   204.497
_cell_formula_units_Z   3
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
  Y  Y0  1  0.333  0.667  0.500  1.0
  Y  Y1  1  0.667  0.333  0.500  1.0
  Y  Y2  1  0.000  0.000  0.000  1.0
  Al  Al3  1  0.228  0.000  0.500  1.0
  Al  Al4  1  0.000  0.228  0.500  1.0
  Al  Al5  1  0.772  0.772  0.500  1.0
  Cu  Cu6  1  0.401  0.000  0.000  1.0
  Cu  Cu7  1  0.000  0.401  0.000  1.0
  Cu  Cu8  1  0.599  0.599  0.000  1.0
[/CIF]
.