The crystal structure described by AlAs is Wurtzite structured and crystallizes in the hexagonal P6_3mc space group. Al(1) is bonded to four equivalent As(1) atoms to form corner-sharing AlAs4 tetrahedra. As(1) is bonded to four equivalent Al(1) atoms to form corner-sharing AsAl4 tetrahedra. is represented by the CIF file [CIF]
data_AlAs
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.002
_cell_length_b   4.002
_cell_length_c   6.578
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   91.254
_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
  Al  Al0  1  0.333  0.667  0.001  1.0
  Al  Al1  1  0.667  0.333  0.501  1.0
  As  As2  1  0.333  0.667  0.375  1.0
  As  As3  1  0.667  0.333  0.875  1.0
[/CIF]
.
The crystal structure described by AlAs is Wurtzite structured and crystallizes in the hexagonal P6_3mc space group. Al(1) is bonded to four equivalent As(1) atoms to form corner-sharing AlAs4 tetrahedra. As(1) is bonded to four equivalent Al(1) atoms to form corner-sharing AsAl4 tetrahedra. is represented by the CIF file [CIF]
data_AlAs
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.002
_cell_length_b   4.002
_cell_length_c   6.578
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   91.254
_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
  Al  Al0  1  0.333  0.667  0.001  1.0
  Al  Al1  1  0.667  0.333  0.501  1.0
  As  As2  1  0.333  0.667  0.375  1.0
  As  As3  1  0.667  0.333  0.875  1.0
[/CIF]
.