The crystal structure described by InAl(CuS2)2 is Stannite-like structured and crystallizes in the tetragonal I-4 space group. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to four equivalent S(1) atoms to form CuS4 tetrahedra that share corners with four equivalent Cu(2)S4 tetrahedra, corners with four equivalent In(1)S4 tetrahedra, and corners with four equivalent Al(1)S4 tetrahedra. In the second Cu site, Cu(2) is bonded to four equivalent S(1) atoms to form CuS4 tetrahedra that share corners with four equivalent Cu(1)S4 tetrahedra, corners with four equivalent In(1)S4 tetrahedra, and corners with four equivalent Al(1)S4 tetrahedra. In(1) is bonded to four equivalent S(1) atoms to form InS4 tetrahedra that share corners with four equivalent Cu(1)S4 tetrahedra, corners with four equivalent Cu(2)S4 tetrahedra, and corners with four equivalent Al(1)S4 tetrahedra. Al(1) is bonded to four equivalent S(1) atoms to form AlS4 tetrahedra that share corners with four equivalent Cu(1)S4 tetrahedra, corners with four equivalent Cu(2)S4 tetrahedra, and corners with four equivalent In(1)S4 tetrahedra. S(1) is bonded to one Cu(1), one Cu(2), one In(1), and one Al(1) atom to form corner-sharing SAlInCu2 tetrahedra. is represented by the CIF card [CIF]
data_AlIn(CuS2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.474
_cell_length_b   5.474
_cell_length_c   6.661
_cell_angle_alpha   65.737
_cell_angle_beta   65.737
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   162.453
_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  0.250  0.750  0.500  1.0
  In  In1  1  0.500  0.500  0.000  1.0
  Cu  Cu2  1  0.750  0.250  0.500  1.0
  Cu  Cu3  1  0.000  0.000  0.000  1.0
  S  S4  1  0.365  0.891  0.734  1.0
  S  S5  1  0.901  0.376  0.734  1.0
  S  S6  1  0.109  0.099  0.266  1.0
  S  S7  1  0.624  0.635  0.266  1.0
[/CIF]
.
The crystal structure described by InAl(CuS2)2 is Stannite-like structured and crystallizes in the tetragonal I-4 space group. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to four equivalent S(1) atoms to form CuS4 tetrahedra that share corners with four equivalent Cu(2)S4 tetrahedra, corners with four equivalent In(1)S4 tetrahedra, and corners with four equivalent Al(1)S4 tetrahedra. In the second Cu site, Cu(2) is bonded to four equivalent S(1) atoms to form CuS4 tetrahedra that share corners with four equivalent Cu(1)S4 tetrahedra, corners with four equivalent In(1)S4 tetrahedra, and corners with four equivalent Al(1)S4 tetrahedra. In(1) is bonded to four equivalent S(1) atoms to form InS4 tetrahedra that share corners with four equivalent Cu(1)S4 tetrahedra, corners with four equivalent Cu(2)S4 tetrahedra, and corners with four equivalent Al(1)S4 tetrahedra. Al(1) is bonded to four equivalent S(1) atoms to form AlS4 tetrahedra that share corners with four equivalent Cu(1)S4 tetrahedra, corners with four equivalent Cu(2)S4 tetrahedra, and corners with four equivalent In(1)S4 tetrahedra. S(1) is bonded to one Cu(1), one Cu(2), one In(1), and one Al(1) atom to form corner-sharing SAlInCu2 tetrahedra. is represented by the CIF card [CIF]
data_AlIn(CuS2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.474
_cell_length_b   5.474
_cell_length_c   6.661
_cell_angle_alpha   65.737
_cell_angle_beta   65.737
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   162.453
_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  0.250  0.750  0.500  1.0
  In  In1  1  0.500  0.500  0.000  1.0
  Cu  Cu2  1  0.750  0.250  0.500  1.0
  Cu  Cu3  1  0.000  0.000  0.000  1.0
  S  S4  1  0.365  0.891  0.734  1.0
  S  S5  1  0.901  0.376  0.734  1.0
  S  S6  1  0.109  0.099  0.266  1.0
  S  S7  1  0.624  0.635  0.266  1.0
[/CIF]
.