The compound described by Al14(CuS8)3 is beta indium sulfide-derived structured and crystallizes in the monoclinic Cm space group. There are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one S(1), one S(9), and two equivalent S(4) atoms to form CuS4 tetrahedra that share  a cornercorner with one Al(8)S6 octahedra, corners with two equivalent Al(3)S6 octahedra, corners with two equivalent Al(7)S6 octahedra, corners with three equivalent Al(4)S6 octahedra, and corners with four equivalent Al(1)S6 octahedra. The corner-sharing octahedral tilt angles range from 55-56°. In the second Cu site, Cu(2) is bonded to one S(2), one S(7), and two equivalent S(5) atoms to form CuS4 tetrahedra that share  a cornercorner with one Al(7)S6 octahedra, corners with two equivalent Al(1)S6 octahedra, corners with three equivalent Al(5)S6 octahedra, and corners with four equivalent Al(2)S6 octahedra. The corner-sharing octahedral tilt angles range from 53-57°. In the third Cu site, Cu(3) is bonded to one S(3), one S(8), and two equivalent S(6) atoms to form CuS4 tetrahedra that share corners with two equivalent Al(2)S6 octahedra, corners with two equivalent Al(8)S6 octahedra, corners with three equivalent Al(6)S6 octahedra, and corners with four equivalent Al(3)S6 octahedra. The corner-sharing octahedral tilt angles range from 54-59°. There are eleven inequivalent Al sites. In the first Al site, Al(1) is bonded to one S(1), one S(10), one S(13), one S(16), one S(4), and one S(7) atom to form AlS6 octahedra that share  a cornercorner with one Cu(2)S4 tetrahedra,  a cornercorner with one Al(11)S4 tetrahedra, corners with two equivalent Cu(1)S4 tetrahedra, corners with two equivalent Al(9)S4 tetrahedra,  an edgeedge with one Al(4)S6 octahedra,  an edgeedge with one Al(5)S6 octahedra, edges with two equivalent Al(1)S6 octahedra, and edges with two equivalent Al(7)S6 octahedra. In the second Al site, Al(2) is bonded to one S(11), one S(14), one S(17), one S(2), one S(5), and one S(8) atom to form AlS6 octahedra that share  a cornercorner with one Cu(3)S4 tetrahedra,  a cornercorner with one Al(9)S4 tetrahedra, corners with two equivalent Cu(2)S4 tetrahedra, corners with two equivalent Al(10)S4 tetrahedra,  an edgeedge with one Al(5)S6 octahedra,  an edgeedge with one Al(6)S6 octahedra, and edges with two equivalent Al(2)S6 octahedra. In the third Al site, Al(3) is bonded to one S(12), one S(15), one S(18), one S(3), one S(6), and one S(9) atom to form AlS6 octahedra that share  a cornercorner with one Cu(1)S4 tetrahedra,  a cornercorner with one Al(10)S4 tetrahedra, corners with two equivalent Cu(3)S4 tetrahedra, corners with two equivalent Al(11)S4 tetrahedra,  an edgeedge with one Al(4)S6 octahedra,  an edgeedge with one Al(6)S6 octahedra, edges with two equivalent Al(3)S6 octahedra, and edges with two equivalent Al(8)S6 octahedra. In the fourth Al site, Al(4) is bonded to one S(1), one S(18), two equivalent S(12), and two equivalent S(4) atoms to form AlS6 octahedra that share corners with three equivalent Cu(1)S4 tetrahedra, corners with three equivalent Al(11)S4 tetrahedra,  an edgeedge with one Al(7)S6 octahedra,  an edgeedge with one Al(8)S6 octahedra, edges with two equivalent Al(1)S6 octahedra, and edges with two equivalent Al(3)S6 octahedra. In the fifth Al site, Al(5) is bonded to one S(16), one S(2), two equivalent S(10), and two equivalent S(5) atoms to form AlS6 octahedra that share corners with three equivalent Cu(2)S4 tetrahedra, corners with three equivalent Al(9)S4 tetrahedra,  an edgeedge with one Al(7)S6 octahedra, edges with two equivalent Al(1)S6 octahedra, and edges with two equivalent Al(2)S6 octahedra. In the sixth Al site, Al(6) is bonded to one S(17), one S(3), two equivalent S(11), and two equivalent S(6) atoms to form AlS6 octahedra that share corners with three equivalent Cu(3)S4 tetrahedra, corners with three equivalent Al(10)S4 tetrahedra,  an edgeedge with one Al(8)S6 octahedra, edges with two equivalent Al(2)S6 octahedra, and edges with two equivalent Al(3)S6 octahedra. In the seventh Al site, Al(7) is bonded to one S(13), one S(7), two equivalent S(10), and two equivalent S(4) atoms to form AlS6 octahedra that share  a cornercorner with one Cu(2)S4 tetrahedra,  a cornercorner with one Al(11)S4 tetrahedra, corners with two equivalent Cu(1)S4 tetrahedra, corners with two equivalent Al(9)S4 tetrahedra,  an edgeedge with one Al(4)S6 octahedra,  an edgeedge with one Al(5)S6 octahedra, and edges with four equivalent Al(1)S6 octahedra. In the eighth Al site, Al(8) is bonded to one S(15), one S(9), two equivalent S(12), and two equivalent S(6) atoms to form AlS6 octahedra that share  a cornercorner with one Cu(1)S4 tetrahedra,  a cornercorner with one Al(10)S4 tetrahedra, corners with two equivalent Cu(3)S4 tetrahedra, corners with two equivalent Al(11)S4 tetrahedra,  an edgeedge with one Al(4)S6 octahedra,  an edgeedge with one Al(6)S6 octahedra, and edges with four equivalent Al(3)S6 octahedra. In the ninth Al site, Al(9) is bonded to one S(14), one S(16), and two equivalent S(10) atoms to form corner-sharing AlS4 tetrahedra. The corner-sharing octahedral tilt angles range from 58-62°. In the tenth Al site, Al(10) is bonded to one S(15), one S(17), and two equivalent S(11) atoms to form corner-sharing AlS4 tetrahedra. The corner-sharing octahedral tilt angles range from 56-61°. In the eleventh Al site, Al(11) is bonded to one S(13), one S(18), and two equivalent S(12) atoms to form corner-sharing AlS4 tetrahedra. The corner-sharing octahedral tilt angles range from 59-60°. There are eighteen inequivalent S sites. In the first S site, S(1) is bonded in a rectangular see-saw-like geometry to one Cu(1), one Al(4), and two equivalent Al(1) atoms. In the second S site, S(2) is bonded in a rectangular see-saw-like geometry to one Cu(2), one Al(5), and two equivalent Al(2) atoms. In the third S site, S(3) is bonded in a rectangular see-saw-like geometry to one Cu(3), one Al(6), and two equivalent Al(3) atoms. In the fourth S site, S(4) is bonded in a rectangular see-saw-like geometry to one Cu(1), one Al(1), one Al(4), and one Al(7) atom. In the fifth S site, S(5) is bonded in a distorted trigonal planar geometry to one Cu(2), one Al(2), and one Al(5) atom. In the sixth S site, S(6) is bonded in a rectangular see-saw-like geometry to one Cu(3), one Al(3), one Al(6), and one Al(8) atom. In the seventh S site, S(7) is bonded in a rectangular see-saw-like geometry to one Cu(2), one Al(7), and two equivalent Al(1) atoms. In the eighth S site, S(8) is bonded in a distorted trigonal planar geometry to one Cu(3) and two equivalent Al(2) atoms. In the ninth S site, S(9) is bonded in a rectangular see-saw-like geometry to one Cu(1), one Al(8), and two equivalent Al(3) atoms. In the tenth S site, S(10) is bonded to one Al(1), one Al(5), one Al(7), and one Al(9) atom to form a mixture of distorted edge and corner-sharing SAl4 tetrahedra. In the eleventh S site, S(11) is bonded in a distorted trigonal planar geometry to one Al(10), one Al(2), and one Al(6) atom. In the twelfth S site, S(12) is bonded to one Al(11), one Al(3), one Al(4), and one Al(8) atom to form a mixture of distorted edge and corner-sharing SAl4 trigonal pyramids. In the thirteenth S site, S(13) is bonded to one Al(11), one Al(7), and two equivalent Al(1) atoms to form a mixture of distorted edge and corner-sharing SAl4 trigonal pyramids. In the fourteenth S site, S(14) is bonded in a distorted trigonal planar geometry to one Al(9) and two equivalent Al(2) atoms. In the fifteenth S site, S(15) is bonded to one Al(10), one Al(8), and two equivalent Al(3) atoms to form a mixture of distorted edge and corner-sharing SAl4 tetrahedra. In the sixteenth S site, S(16) is bonded to one Al(5), one Al(9), and two equivalent Al(1) atoms to form a mixture of distorted edge and corner-sharing SAl4 tetrahedra. In the seventeenth S site, S(17) is bonded to one Al(10), one Al(6), and two equivalent Al(2) atoms to form distorted corner-sharing SAl4 trigonal pyramids. In the eighteenth S site, S(18) is bonded to one Al(11), one Al(4), and two equivalent Al(3) atoms to form a mixture of distorted edge and corner-sharing SAl4 trigonal pyramids. is represented by the CIF file [CIF]
data_Al14(CuS8)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.028
_cell_length_b   7.028
_cell_length_c   17.357
_cell_angle_alpha   89.919
_cell_angle_beta   89.919
_cell_angle_gamma   60.258
_symmetry_Int_Tables_number   1
_cell_volume   744.348
_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  0.341  0.819  0.165  1.0
  Al  Al1  1  0.006  0.489  0.499  1.0
  Al  Al2  1  0.674  0.152  0.831  1.0
  Al  Al3  1  0.500  0.500  0.006  1.0
  Al  Al4  1  0.164  0.164  0.340  1.0
  Al  Al5  1  0.836  0.836  0.668  1.0
  Al  Al6  1  0.819  0.341  0.165  1.0
  Al  Al7  1  0.489  0.006  0.499  1.0
  Al  Al8  1  0.152  0.674  0.831  1.0
  Al  Al9  1  0.340  0.340  0.165  1.0
  Al  Al10  1  0.674  0.674  0.831  1.0
  Al  Al11  1  0.831  0.831  0.295  1.0
  Al  Al12  1  0.494  0.494  0.624  1.0
  Al  Al13  1  0.166  0.166  0.959  1.0
  Cu  Cu14  1  0.833  0.833  0.041  1.0
  Cu  Cu15  1  0.503  0.503  0.377  1.0
  Cu  Cu16  1  0.166  0.166  0.706  1.0
  S  S17  1  0.657  0.657  0.086  1.0
  S  S18  1  0.324  0.324  0.418  1.0
  S  S19  1  0.992  0.992  0.753  1.0
  S  S20  1  0.185  0.657  0.086  1.0
  S  S21  1  0.851  0.326  0.419  1.0
  S  S22  1  0.519  0.989  0.752  1.0
  S  S23  1  0.500  0.500  0.243  1.0
  S  S24  1  0.169  0.169  0.578  1.0
  S  S25  1  0.833  0.833  0.910  1.0
  S  S26  1  0.657  0.185  0.086  1.0
  S  S27  1  0.326  0.851  0.419  1.0
  S  S28  1  0.989  0.519  0.752  1.0
  S  S29  1  0.012  0.476  0.246  1.0
  S  S30  1  0.675  0.146  0.582  1.0
  S  S31  1  0.344  0.811  0.914  1.0
  S  S32  1  0.167  0.167  0.091  1.0
  S  S33  1  0.832  0.832  0.423  1.0
  S  S34  1  0.500  0.500  0.760  1.0
  S  S35  1  0.476  0.012  0.246  1.0
  S  S36  1  0.146  0.675  0.582  1.0
  S  S37  1  0.811  0.344  0.914  1.0
  S  S38  1  0.011  0.011  0.247  1.0
  S  S39  1  0.677  0.677  0.581  1.0
  S  S40  1  0.344  0.344  0.914  1.0
[/CIF]
.
The compound described by Al14(CuS8)3 is beta indium sulfide-derived structured and crystallizes in the monoclinic Cm space group. There are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one S(1), one S(9), and two equivalent S(4) atoms to form CuS4 tetrahedra that share  a cornercorner with one Al(8)S6 octahedra, corners with two equivalent Al(3)S6 octahedra, corners with two equivalent Al(7)S6 octahedra, corners with three equivalent Al(4)S6 octahedra, and corners with four equivalent Al(1)S6 octahedra. The corner-sharing octahedral tilt angles range from 55-56°. In the second Cu site, Cu(2) is bonded to one S(2), one S(7), and two equivalent S(5) atoms to form CuS4 tetrahedra that share  a cornercorner with one Al(7)S6 octahedra, corners with two equivalent Al(1)S6 octahedra, corners with three equivalent Al(5)S6 octahedra, and corners with four equivalent Al(2)S6 octahedra. The corner-sharing octahedral tilt angles range from 53-57°. In the third Cu site, Cu(3) is bonded to one S(3), one S(8), and two equivalent S(6) atoms to form CuS4 tetrahedra that share corners with two equivalent Al(2)S6 octahedra, corners with two equivalent Al(8)S6 octahedra, corners with three equivalent Al(6)S6 octahedra, and corners with four equivalent Al(3)S6 octahedra. The corner-sharing octahedral tilt angles range from 54-59°. There are eleven inequivalent Al sites. In the first Al site, Al(1) is bonded to one S(1), one S(10), one S(13), one S(16), one S(4), and one S(7) atom to form AlS6 octahedra that share  a cornercorner with one Cu(2)S4 tetrahedra,  a cornercorner with one Al(11)S4 tetrahedra, corners with two equivalent Cu(1)S4 tetrahedra, corners with two equivalent Al(9)S4 tetrahedra,  an edgeedge with one Al(4)S6 octahedra,  an edgeedge with one Al(5)S6 octahedra, edges with two equivalent Al(1)S6 octahedra, and edges with two equivalent Al(7)S6 octahedra. In the second Al site, Al(2) is bonded to one S(11), one S(14), one S(17), one S(2), one S(5), and one S(8) atom to form AlS6 octahedra that share  a cornercorner with one Cu(3)S4 tetrahedra,  a cornercorner with one Al(9)S4 tetrahedra, corners with two equivalent Cu(2)S4 tetrahedra, corners with two equivalent Al(10)S4 tetrahedra,  an edgeedge with one Al(5)S6 octahedra,  an edgeedge with one Al(6)S6 octahedra, and edges with two equivalent Al(2)S6 octahedra. In the third Al site, Al(3) is bonded to one S(12), one S(15), one S(18), one S(3), one S(6), and one S(9) atom to form AlS6 octahedra that share  a cornercorner with one Cu(1)S4 tetrahedra,  a cornercorner with one Al(10)S4 tetrahedra, corners with two equivalent Cu(3)S4 tetrahedra, corners with two equivalent Al(11)S4 tetrahedra,  an edgeedge with one Al(4)S6 octahedra,  an edgeedge with one Al(6)S6 octahedra, edges with two equivalent Al(3)S6 octahedra, and edges with two equivalent Al(8)S6 octahedra. In the fourth Al site, Al(4) is bonded to one S(1), one S(18), two equivalent S(12), and two equivalent S(4) atoms to form AlS6 octahedra that share corners with three equivalent Cu(1)S4 tetrahedra, corners with three equivalent Al(11)S4 tetrahedra,  an edgeedge with one Al(7)S6 octahedra,  an edgeedge with one Al(8)S6 octahedra, edges with two equivalent Al(1)S6 octahedra, and edges with two equivalent Al(3)S6 octahedra. In the fifth Al site, Al(5) is bonded to one S(16), one S(2), two equivalent S(10), and two equivalent S(5) atoms to form AlS6 octahedra that share corners with three equivalent Cu(2)S4 tetrahedra, corners with three equivalent Al(9)S4 tetrahedra,  an edgeedge with one Al(7)S6 octahedra, edges with two equivalent Al(1)S6 octahedra, and edges with two equivalent Al(2)S6 octahedra. In the sixth Al site, Al(6) is bonded to one S(17), one S(3), two equivalent S(11), and two equivalent S(6) atoms to form AlS6 octahedra that share corners with three equivalent Cu(3)S4 tetrahedra, corners with three equivalent Al(10)S4 tetrahedra,  an edgeedge with one Al(8)S6 octahedra, edges with two equivalent Al(2)S6 octahedra, and edges with two equivalent Al(3)S6 octahedra. In the seventh Al site, Al(7) is bonded to one S(13), one S(7), two equivalent S(10), and two equivalent S(4) atoms to form AlS6 octahedra that share  a cornercorner with one Cu(2)S4 tetrahedra,  a cornercorner with one Al(11)S4 tetrahedra, corners with two equivalent Cu(1)S4 tetrahedra, corners with two equivalent Al(9)S4 tetrahedra,  an edgeedge with one Al(4)S6 octahedra,  an edgeedge with one Al(5)S6 octahedra, and edges with four equivalent Al(1)S6 octahedra. In the eighth Al site, Al(8) is bonded to one S(15), one S(9), two equivalent S(12), and two equivalent S(6) atoms to form AlS6 octahedra that share  a cornercorner with one Cu(1)S4 tetrahedra,  a cornercorner with one Al(10)S4 tetrahedra, corners with two equivalent Cu(3)S4 tetrahedra, corners with two equivalent Al(11)S4 tetrahedra,  an edgeedge with one Al(4)S6 octahedra,  an edgeedge with one Al(6)S6 octahedra, and edges with four equivalent Al(3)S6 octahedra. In the ninth Al site, Al(9) is bonded to one S(14), one S(16), and two equivalent S(10) atoms to form corner-sharing AlS4 tetrahedra. The corner-sharing octahedral tilt angles range from 58-62°. In the tenth Al site, Al(10) is bonded to one S(15), one S(17), and two equivalent S(11) atoms to form corner-sharing AlS4 tetrahedra. The corner-sharing octahedral tilt angles range from 56-61°. In the eleventh Al site, Al(11) is bonded to one S(13), one S(18), and two equivalent S(12) atoms to form corner-sharing AlS4 tetrahedra. The corner-sharing octahedral tilt angles range from 59-60°. There are eighteen inequivalent S sites. In the first S site, S(1) is bonded in a rectangular see-saw-like geometry to one Cu(1), one Al(4), and two equivalent Al(1) atoms. In the second S site, S(2) is bonded in a rectangular see-saw-like geometry to one Cu(2), one Al(5), and two equivalent Al(2) atoms. In the third S site, S(3) is bonded in a rectangular see-saw-like geometry to one Cu(3), one Al(6), and two equivalent Al(3) atoms. In the fourth S site, S(4) is bonded in a rectangular see-saw-like geometry to one Cu(1), one Al(1), one Al(4), and one Al(7) atom. In the fifth S site, S(5) is bonded in a distorted trigonal planar geometry to one Cu(2), one Al(2), and one Al(5) atom. In the sixth S site, S(6) is bonded in a rectangular see-saw-like geometry to one Cu(3), one Al(3), one Al(6), and one Al(8) atom. In the seventh S site, S(7) is bonded in a rectangular see-saw-like geometry to one Cu(2), one Al(7), and two equivalent Al(1) atoms. In the eighth S site, S(8) is bonded in a distorted trigonal planar geometry to one Cu(3) and two equivalent Al(2) atoms. In the ninth S site, S(9) is bonded in a rectangular see-saw-like geometry to one Cu(1), one Al(8), and two equivalent Al(3) atoms. In the tenth S site, S(10) is bonded to one Al(1), one Al(5), one Al(7), and one Al(9) atom to form a mixture of distorted edge and corner-sharing SAl4 tetrahedra. In the eleventh S site, S(11) is bonded in a distorted trigonal planar geometry to one Al(10), one Al(2), and one Al(6) atom. In the twelfth S site, S(12) is bonded to one Al(11), one Al(3), one Al(4), and one Al(8) atom to form a mixture of distorted edge and corner-sharing SAl4 trigonal pyramids. In the thirteenth S site, S(13) is bonded to one Al(11), one Al(7), and two equivalent Al(1) atoms to form a mixture of distorted edge and corner-sharing SAl4 trigonal pyramids. In the fourteenth S site, S(14) is bonded in a distorted trigonal planar geometry to one Al(9) and two equivalent Al(2) atoms. In the fifteenth S site, S(15) is bonded to one Al(10), one Al(8), and two equivalent Al(3) atoms to form a mixture of distorted edge and corner-sharing SAl4 tetrahedra. In the sixteenth S site, S(16) is bonded to one Al(5), one Al(9), and two equivalent Al(1) atoms to form a mixture of distorted edge and corner-sharing SAl4 tetrahedra. In the seventeenth S site, S(17) is bonded to one Al(10), one Al(6), and two equivalent Al(2) atoms to form distorted corner-sharing SAl4 trigonal pyramids. In the eighteenth S site, S(18) is bonded to one Al(11), one Al(4), and two equivalent Al(3) atoms to form a mixture of distorted edge and corner-sharing SAl4 trigonal pyramids. is represented by the CIF file [CIF]
data_Al14(CuS8)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.028
_cell_length_b   7.028
_cell_length_c   17.357
_cell_angle_alpha   89.919
_cell_angle_beta   89.919
_cell_angle_gamma   60.258
_symmetry_Int_Tables_number   1
_cell_volume   744.348
_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  0.341  0.819  0.165  1.0
  Al  Al1  1  0.006  0.489  0.499  1.0
  Al  Al2  1  0.674  0.152  0.831  1.0
  Al  Al3  1  0.500  0.500  0.006  1.0
  Al  Al4  1  0.164  0.164  0.340  1.0
  Al  Al5  1  0.836  0.836  0.668  1.0
  Al  Al6  1  0.819  0.341  0.165  1.0
  Al  Al7  1  0.489  0.006  0.499  1.0
  Al  Al8  1  0.152  0.674  0.831  1.0
  Al  Al9  1  0.340  0.340  0.165  1.0
  Al  Al10  1  0.674  0.674  0.831  1.0
  Al  Al11  1  0.831  0.831  0.295  1.0
  Al  Al12  1  0.494  0.494  0.624  1.0
  Al  Al13  1  0.166  0.166  0.959  1.0
  Cu  Cu14  1  0.833  0.833  0.041  1.0
  Cu  Cu15  1  0.503  0.503  0.377  1.0
  Cu  Cu16  1  0.166  0.166  0.706  1.0
  S  S17  1  0.657  0.657  0.086  1.0
  S  S18  1  0.324  0.324  0.418  1.0
  S  S19  1  0.992  0.992  0.753  1.0
  S  S20  1  0.185  0.657  0.086  1.0
  S  S21  1  0.851  0.326  0.419  1.0
  S  S22  1  0.519  0.989  0.752  1.0
  S  S23  1  0.500  0.500  0.243  1.0
  S  S24  1  0.169  0.169  0.578  1.0
  S  S25  1  0.833  0.833  0.910  1.0
  S  S26  1  0.657  0.185  0.086  1.0
  S  S27  1  0.326  0.851  0.419  1.0
  S  S28  1  0.989  0.519  0.752  1.0
  S  S29  1  0.012  0.476  0.246  1.0
  S  S30  1  0.675  0.146  0.582  1.0
  S  S31  1  0.344  0.811  0.914  1.0
  S  S32  1  0.167  0.167  0.091  1.0
  S  S33  1  0.832  0.832  0.423  1.0
  S  S34  1  0.500  0.500  0.760  1.0
  S  S35  1  0.476  0.012  0.246  1.0
  S  S36  1  0.146  0.675  0.582  1.0
  S  S37  1  0.811  0.344  0.914  1.0
  S  S38  1  0.011  0.011  0.247  1.0
  S  S39  1  0.677  0.677  0.581  1.0
  S  S40  1  0.344  0.344  0.914  1.0
[/CIF]
.