The crystal structure described by Cu13Al4Si2(SbO14)2 is Aluminum carbonitride-derived structured and crystallizes in the triclinic P1 space group. There are thirteen inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(21), one O(25), one O(27), one O(5), and one O(6) atom to form CuO5 trigonal bipyramids that share  a cornercorner with one Cu(12)O6 octahedra,  a cornercorner with one Cu(13)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, corners with two equivalent Al(4)O4 tetrahedra, corners with two equivalent Cu(5)O5 trigonal bipyramids,  an edgeedge with one Cu(10)O5 trigonal bipyramid, and  an edgeedge with one Cu(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 56-63°. In the second Cu site, Cu(2) is bonded to one O(1), one O(11), one O(14), one O(15), and one O(3) atom to form CuO5 trigonal bipyramids that share  a cornercorner with one Cu(8)O6 octahedra,  a cornercorner with one Cu(9)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, corners with two equivalent Si(1)O4 tetrahedra,  a cornercorner with one Cu(10)O5 trigonal bipyramid, corners with two equivalent Cu(4)O5 trigonal bipyramids,  an edgeedge with one Cu(11)O5 trigonal bipyramid, and  an edgeedge with one Cu(7)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 56-67°. In the third Cu site, Cu(3) is bonded to one O(22), one O(23), one O(24), one O(27), and one O(6) atom to form CuO5 trigonal bipyramids that share  a cornercorner with one Cu(12)O6 octahedra,  a cornercorner with one Cu(13)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra, corners with two equivalent Al(3)O4 tetrahedra, corners with two equivalent Cu(10)O5 trigonal bipyramids,  an edgeedge with one Cu(1)O5 trigonal bipyramid, and  an edgeedge with one Cu(5)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 56-63°. In the fourth Cu site, Cu(4) is bonded to one O(1), one O(11), one O(12), one O(2), and one O(20) atom to form CuO5 trigonal bipyramids that share  a cornercorner with one Cu(6)O6 octahedra,  a cornercorner with one Cu(9)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra, corners with two equivalent Al(2)O4 tetrahedra, corners with two equivalent Cu(2)O5 trigonal bipyramids,  an edgeedge with one Cu(11)O5 trigonal bipyramid, and  an edgeedge with one Cu(7)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 55-63°. In the fifth Cu site, Cu(5) is bonded to one O(16), one O(17), one O(22), one O(25), and one O(6) atom to form CuO5 trigonal bipyramids that share  a cornercorner with one Cu(12)O6 octahedra,  a cornercorner with one Cu(8)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra, corners with two equivalent Si(2)O4 tetrahedra,  a cornercorner with one Cu(7)O5 trigonal bipyramid, corners with two equivalent Cu(1)O5 trigonal bipyramids,  an edgeedge with one Cu(10)O5 trigonal bipyramid, and  an edgeedge with one Cu(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 57-66°. In the sixth Cu site, Cu(6) is bonded to one O(13), one O(19), one O(20), one O(26), one O(7), and one O(8) atom to form distorted CuO6 octahedra that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Cu(11)O5 trigonal bipyramid,  a cornercorner with one Cu(4)O5 trigonal bipyramid,  an edgeedge with one Cu(9)O6 octahedra,  an edgeedge with one Sb(2)O6 octahedra, edges with two equivalent Cu(13)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. In the seventh Cu site, Cu(7) is bonded to one O(10), one O(11), one O(12), one O(15), and one O(16) atom to form CuO5 trigonal bipyramids that share  a cornercorner with one Cu(8)O6 octahedra,  a cornercorner with one Cu(9)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra, corners with two equivalent Si(2)O4 tetrahedra,  a cornercorner with one Cu(5)O5 trigonal bipyramid, corners with two equivalent Cu(11)O5 trigonal bipyramids,  an edgeedge with one Cu(2)O5 trigonal bipyramid, and  an edgeedge with one Cu(4)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 57-67°. In the eighth Cu site, Cu(8) is bonded to one O(10), one O(14), one O(17), one O(18), one O(4), and one O(9) atom to form distorted CuO6 octahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Cu(10)O5 trigonal bipyramid,  a cornercorner with one Cu(2)O5 trigonal bipyramid,  a cornercorner with one Cu(5)O5 trigonal bipyramid,  a cornercorner with one Cu(7)O5 trigonal bipyramid,  an edgeedge with one Sb(1)O6 octahedra,  an edgeedge with one Sb(2)O6 octahedra, edges with two equivalent Cu(12)O6 octahedra, and edges with two equivalent Cu(9)O6 octahedra. In the ninth Cu site, Cu(9) is bonded to one O(10), one O(14), one O(20), one O(26), one O(4), and one O(9) atom to form CuO6 octahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Cu(11)O5 trigonal bipyramid,  a cornercorner with one Cu(2)O5 trigonal bipyramid,  a cornercorner with one Cu(4)O5 trigonal bipyramid,  a cornercorner with one Cu(7)O5 trigonal bipyramid,  an edgeedge with one Cu(12)O6 octahedra,  an edgeedge with one Cu(6)O6 octahedra, edges with two equivalent Cu(8)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. In the tenth Cu site, Cu(10) is bonded to one O(18), one O(22), one O(25), one O(27), and one O(3) atom to form CuO5 trigonal bipyramids that share  a cornercorner with one Cu(12)O6 octahedra,  a cornercorner with one Cu(8)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra,  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, corners with two equivalent Si(1)O4 tetrahedra,  a cornercorner with one Cu(2)O5 trigonal bipyramid, corners with two equivalent Cu(3)O5 trigonal bipyramids,  an edgeedge with one Cu(1)O5 trigonal bipyramid, and  an edgeedge with one Cu(5)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 58-66°. In the eleventh Cu site, Cu(11) is bonded to one O(1), one O(12), one O(15), one O(26), and one O(28) atom to form CuO5 trigonal bipyramids that share  a cornercorner with one Cu(6)O6 octahedra,  a cornercorner with one Cu(9)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, corners with two equivalent Al(1)O4 tetrahedra, corners with two equivalent Cu(7)O5 trigonal bipyramids,  an edgeedge with one Cu(2)O5 trigonal bipyramid, and  an edgeedge with one Cu(4)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 56-64°. In the twelfth Cu site, Cu(12) is bonded to one O(17), one O(18), one O(21), one O(23), one O(4), and one O(9) atom to form CuO6 octahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Cu(1)O5 trigonal bipyramid,  a cornercorner with one Cu(10)O5 trigonal bipyramid,  a cornercorner with one Cu(3)O5 trigonal bipyramid,  a cornercorner with one Cu(5)O5 trigonal bipyramid,  an edgeedge with one Cu(13)O6 octahedra,  an edgeedge with one Cu(9)O6 octahedra, edges with two equivalent Cu(8)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. In the thirteenth Cu site, Cu(13) is bonded to one O(13), one O(19), one O(21), one O(23), one O(7), and one O(8) atom to form distorted CuO6 octahedra that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Cu(1)O5 trigonal bipyramid,  a cornercorner with one Cu(3)O5 trigonal bipyramid,  an edgeedge with one Cu(12)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, edges with two equivalent Cu(6)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. There are four inequivalent Al sites. In the first Al site, Al(1) is bonded to one O(12), one O(28), one O(5), and one O(8) atom to form distorted AlO4 tetrahedra that share  a cornercorner with one Cu(13)O6 octahedra,  a cornercorner with one Cu(6)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Al(4)O4 tetrahedra,  a cornercorner with one Cu(1)O5 trigonal bipyramid,  a cornercorner with one Cu(4)O5 trigonal bipyramid,  a cornercorner with one Cu(7)O5 trigonal bipyramid, and corners with two equivalent Cu(11)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 54-70°. In the second Al site, Al(2) is bonded to one O(1), one O(19), one O(2), and one O(24) atom to form AlO4 tetrahedra that share  a cornercorner with one Cu(13)O6 octahedra,  a cornercorner with one Cu(6)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Al(3)O4 tetrahedra,  a cornercorner with one Cu(11)O5 trigonal bipyramid,  a cornercorner with one Cu(2)O5 trigonal bipyramid,  a cornercorner with one Cu(3)O5 trigonal bipyramid, and corners with two equivalent Cu(4)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 54-70°. In the third Al site, Al(3) is bonded to one O(2), one O(24), one O(27), and one O(7) atom to form distorted AlO4 tetrahedra that share  a cornercorner with one Cu(13)O6 octahedra,  a cornercorner with one Cu(6)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Al(2)O4 tetrahedra,  a cornercorner with one Cu(1)O5 trigonal bipyramid,  a cornercorner with one Cu(10)O5 trigonal bipyramid,  a cornercorner with one Cu(4)O5 trigonal bipyramid, and corners with two equivalent Cu(3)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 54-70°. In the fourth Al site, Al(4) is bonded to one O(13), one O(28), one O(5), and one O(6) atom to form distorted AlO4 tetrahedra that share  a cornercorner with one Cu(13)O6 octahedra,  a cornercorner with one Cu(6)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Al(1)O4 tetrahedra,  a cornercorner with one Cu(11)O5 trigonal bipyramid,  a cornercorner with one Cu(3)O5 trigonal bipyramid,  a cornercorner with one Cu(5)O5 trigonal bipyramid, and corners with two equivalent Cu(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 54-71°. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(11), one O(22), one O(3), and one O(4) atom to form SiO4 tetrahedra that share  a cornercorner with one Cu(12)O6 octahedra,  a cornercorner with one Cu(8)O6 octahedra,  a cornercorner with one Cu(9)O6 octahedra,  a cornercorner with one Cu(3)O5 trigonal bipyramid,  a cornercorner with one Cu(4)O5 trigonal bipyramid,  a cornercorner with one Cu(5)O5 trigonal bipyramid,  a cornercorner with one Cu(7)O5 trigonal bipyramid, corners with two equivalent Cu(10)O5 trigonal bipyramids, and corners with two equivalent Cu(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 60-67°. In the second Si site, Si(2) is bonded to one O(15), one O(16), one O(25), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Cu(12)O6 octahedra,  a cornercorner with one Cu(8)O6 octahedra,  a cornercorner with one Cu(9)O6 octahedra,  a cornercorner with one Cu(1)O5 trigonal bipyramid,  a cornercorner with one Cu(10)O5 trigonal bipyramid,  a cornercorner with one Cu(11)O5 trigonal bipyramid,  a cornercorner with one Cu(2)O5 trigonal bipyramid, corners with two equivalent Cu(5)O5 trigonal bipyramids, and corners with two equivalent Cu(7)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 60-67°. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(10), one O(14), one O(19), one O(20), one O(26), and one O(8) atom to form SbO6 octahedra that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Cu(11)O5 trigonal bipyramid,  a cornercorner with one Cu(2)O5 trigonal bipyramid,  a cornercorner with one Cu(4)O5 trigonal bipyramid,  a cornercorner with one Cu(7)O5 trigonal bipyramid,  an edgeedge with one Cu(13)O6 octahedra,  an edgeedge with one Cu(8)O6 octahedra, edges with two equivalent Cu(6)O6 octahedra, and edges with two equivalent Cu(9)O6 octahedra. In the second Sb site, Sb(2) is bonded to one O(13), one O(17), one O(18), one O(21), one O(23), and one O(7) atom to form SbO6 octahedra that share  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Cu(1)O5 trigonal bipyramid,  a cornercorner with one Cu(10)O5 trigonal bipyramid,  a cornercorner with one Cu(3)O5 trigonal bipyramid,  a cornercorner with one Cu(5)O5 trigonal bipyramid,  an edgeedge with one Cu(6)O6 octahedra,  an edgeedge with one Cu(8)O6 octahedra, edges with two equivalent Cu(12)O6 octahedra, and edges with two equivalent Cu(13)O6 octahedra. There are twenty-eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted rectangular see-saw-like geometry to one Cu(11), one Cu(2), one Cu(4), and one Al(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Cu(4), one Al(2), and one Al(3) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Cu(10), one Cu(2), and one Si(1) atom. In the fourth O site, O(4) is bonded to one Cu(12), one Cu(8), one Cu(9), and one Si(1) atom to form distorted OCu3Si tetrahedra that share  a cornercorner with one O(9)Cu3Si tetrahedra, corners with two equivalent O(18)Cu3Sb tetrahedra, corners with two equivalent O(14)Cu3Sb trigonal pyramids,  an edgeedge with one O(10)Cu3Sb tetrahedra,  an edgeedge with one O(17)Cu3Sb tetrahedra, and  an edgeedge with one O(9)Cu3Si tetrahedra. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Cu(1), one Al(1), and one Al(4) atom. In the sixth O site, O(6) is bonded to one Cu(1), one Cu(3), one Cu(5), and one Al(4) atom to form distorted OAlCu3 tetrahedra that share  a cornercorner with one O(13)AlCu2Sb tetrahedra,  a cornercorner with one O(17)Cu3Sb tetrahedra, and  an edgeedge with one O(27)AlCu3 tetrahedra. In the seventh O site, O(7) is bonded to one Cu(13), one Cu(6), one Al(3), and one Sb(2) atom to form distorted OAlCu2Sb tetrahedra that share  a cornercorner with one O(13)AlCu2Sb tetrahedra,  a cornercorner with one O(27)AlCu3 tetrahedra,  a cornercorner with one O(17)Cu3Sb tetrahedra,  a cornercorner with one O(18)Cu3Sb tetrahedra, corners with two equivalent O(19)AlCu2Sb tetrahedra,  an edgeedge with one O(13)AlCu2Sb tetrahedra, and  an edgeedge with one O(8)AlCu2Sb tetrahedra. In the eighth O site, O(8) is bonded to one Cu(13), one Cu(6), one Al(1), and one Sb(1) atom to form distorted OAlCu2Sb tetrahedra that share  a cornercorner with one O(19)AlCu2Sb tetrahedra,  a cornercorner with one O(12)AlCu3 tetrahedra,  a cornercorner with one O(10)Cu3Sb tetrahedra, corners with two equivalent O(13)AlCu2Sb tetrahedra,  a cornercorner with one O(14)Cu3Sb trigonal pyramid,  an edgeedge with one O(19)AlCu2Sb tetrahedra, and  an edgeedge with one O(7)AlCu2Sb tetrahedra. In the ninth O site, O(9) is bonded to one Cu(12), one Cu(8), one Cu(9), and one Si(2) atom to form distorted OCu3Si tetrahedra that share  a cornercorner with one O(4)Cu3Si tetrahedra, corners with two equivalent O(10)Cu3Sb tetrahedra, corners with two equivalent O(17)Cu3Sb tetrahedra,  an edgeedge with one O(18)Cu3Sb tetrahedra,  an edgeedge with one O(4)Cu3Si tetrahedra, and  an edgeedge with one O(14)Cu3Sb trigonal pyramid. In the tenth O site, O(10) is bonded to one Cu(7), one Cu(8), one Cu(9), and one Sb(1) atom to form distorted OCu3Sb tetrahedra that share  a cornercorner with one O(19)AlCu2Sb tetrahedra,  a cornercorner with one O(8)AlCu2Sb tetrahedra,  a cornercorner with one O(12)AlCu3 tetrahedra,  a cornercorner with one O(17)Cu3Sb tetrahedra,  a cornercorner with one O(18)Cu3Sb tetrahedra, corners with two equivalent O(9)Cu3Si tetrahedra,  a cornercorner with one O(14)Cu3Sb trigonal pyramid,  an edgeedge with one O(4)Cu3Si tetrahedra, and  an edgeedge with one O(14)Cu3Sb trigonal pyramid. In the eleventh O site, O(11) is bonded in a distorted rectangular see-saw-like geometry to one Cu(2), one Cu(4), one Cu(7), and one Si(1) atom. In the twelfth O site, O(12) is bonded to one Cu(11), one Cu(4), one Cu(7), and one Al(1) atom to form distorted OAlCu3 tetrahedra that share  a cornercorner with one O(8)AlCu2Sb tetrahedra and  a cornercorner with one O(10)Cu3Sb tetrahedra. In the thirteenth O site, O(13) is bonded to one Cu(13), one Cu(6), one Al(4), and one Sb(2) atom to form distorted OAlCu2Sb tetrahedra that share  a cornercorner with one O(7)AlCu2Sb tetrahedra,  a cornercorner with one O(6)AlCu3 tetrahedra,  a cornercorner with one O(17)Cu3Sb tetrahedra,  a cornercorner with one O(18)Cu3Sb tetrahedra, corners with two equivalent O(8)AlCu2Sb tetrahedra,  an edgeedge with one O(19)AlCu2Sb tetrahedra, and  an edgeedge with one O(7)AlCu2Sb tetrahedra. In the fourteenth O site, O(14) is bonded to one Cu(2), one Cu(8), one Cu(9), and one Sb(1) atom to form distorted OCu3Sb trigonal pyramids that share  a cornercorner with one O(19)AlCu2Sb tetrahedra,  a cornercorner with one O(8)AlCu2Sb tetrahedra,  a cornercorner with one O(10)Cu3Sb tetrahedra,  a cornercorner with one O(17)Cu3Sb tetrahedra,  a cornercorner with one O(18)Cu3Sb tetrahedra, corners with two equivalent O(4)Cu3Si tetrahedra,  an edgeedge with one O(10)Cu3Sb tetrahedra, and  an edgeedge with one O(9)Cu3Si tetrahedra. In the fifteenth O site, O(15) is bonded in a 4-coordinate geometry to one Cu(11), one Cu(2), one Cu(7), and one Si(2) atom. In the sixteenth O site, O(16) is bonded in a trigonal planar geometry to one Cu(5), one Cu(7), and one Si(2) atom. In the seventeenth O site, O(17) is bonded to one Cu(12), one Cu(5), one Cu(8), and one Sb(2) atom to form distorted OCu3Sb tetrahedra that share  a cornercorner with one O(13)AlCu2Sb tetrahedra,  a cornercorner with one O(7)AlCu2Sb tetrahedra,  a cornercorner with one O(6)AlCu3 tetrahedra,  a cornercorner with one O(10)Cu3Sb tetrahedra,  a cornercorner with one O(18)Cu3Sb tetrahedra, corners with two equivalent O(9)Cu3Si tetrahedra,  a cornercorner with one O(14)Cu3Sb trigonal pyramid,  an edgeedge with one O(18)Cu3Sb tetrahedra, and  an edgeedge with one O(4)Cu3Si tetrahedra. In the eighteenth O site, O(18) is bonded to one Cu(10), one Cu(12), one Cu(8), and one Sb(2) atom to form distorted OCu3Sb tetrahedra that share  a cornercorner with one O(13)AlCu2Sb tetrahedra,  a cornercorner with one O(7)AlCu2Sb tetrahedra,  a cornercorner with one O(27)AlCu3 tetrahedra,  a cornercorner with one O(10)Cu3Sb tetrahedra,  a cornercorner with one O(17)Cu3Sb tetrahedra, corners with two equivalent O(4)Cu3Si tetrahedra,  a cornercorner with one O(14)Cu3Sb trigonal pyramid,  an edgeedge with one O(17)Cu3Sb tetrahedra, and  an edgeedge with one O(9)Cu3Si tetrahedra. In the nineteenth O site, O(19) is bonded to one Cu(13), one Cu(6), one Al(2), and one Sb(1) atom to form distorted OAlCu2Sb tetrahedra that share  a cornercorner with one O(8)AlCu2Sb tetrahedra,  a cornercorner with one O(10)Cu3Sb tetrahedra, corners with two equivalent O(7)AlCu2Sb tetrahedra,  a cornercorner with one O(14)Cu3Sb trigonal pyramid,  an edgeedge with one O(13)AlCu2Sb tetrahedra, and  an edgeedge with one O(8)AlCu2Sb tetrahedra. In the twentieth O site, O(20) is bonded in a rectangular see-saw-like geometry to one Cu(4), one Cu(6), one Cu(9), and one Sb(1) atom. In the twenty-first O site, O(21) is bonded in a rectangular see-saw-like geometry to one Cu(1), one Cu(12), one Cu(13), and one Sb(2) atom. In the twenty-second O site, O(22) is bonded in a distorted rectangular see-saw-like geometry to one Cu(10), one Cu(3), one Cu(5), and one Si(1) atom. In the twenty-third O site, O(23) is bonded in a rectangular see-saw-like geometry to one Cu(12), one Cu(13), one Cu(3), and one Sb(2) atom. In the twenty-fourth O site, O(24) is bonded in a distorted trigonal planar geometry to one Cu(3), one Al(2), and one Al(3) atom. In the twenty-fifth O site, O(25) is bonded in a distorted rectangular see-saw-like geometry to one Cu(1), one Cu(10), one Cu(5), and one Si(2) atom. In the twenty-sixth O site, O(26) is bonded in a distorted rectangular see-saw-like geometry to one Cu(11), one Cu(6), one Cu(9), and one Sb(1) atom. In the twenty-seventh O site, O(27) is bonded to one Cu(1), one Cu(10), one Cu(3), and one Al(3) atom to form distorted OAlCu3 tetrahedra that share  a cornercorner with one O(7)AlCu2Sb tetrahedra,  a cornercorner with one O(18)Cu3Sb tetrahedra, and  an edgeedge with one O(6)AlCu3 tetrahedra. In the twenty-eighth O site, O(28) is bonded in a distorted trigonal planar geometry to one Cu(11), one Al(1), and one Al(4) atom. is represented by the CIF file [CIF]
data_Al4Cu13Si2(SbO14)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.440
_cell_length_b   8.499
_cell_length_c   11.965
_cell_angle_alpha   87.682
_cell_angle_beta   77.016
_cell_angle_gamma   80.545
_symmetry_Int_Tables_number   1
_cell_volume   531.729
_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  0.075  0.666  0.429  1.0
  Al  Al1  1  0.496  0.331  0.429  1.0
  Al  Al2  1  0.925  0.333  0.572  1.0
  Al  Al3  1  0.504  0.667  0.572  1.0
  Cu  Cu4  1  0.916  0.638  0.713  1.0
  Cu  Cu5  1  0.680  0.357  0.142  1.0
  Cu  Cu6  1  0.372  0.361  0.713  1.0
  Cu  Cu7  1  0.088  0.361  0.287  1.0
  Cu  Cu8  1  0.334  0.642  0.858  1.0
  Cu  Cu9  1  0.292  0.999  0.418  1.0
  Cu  Cu10  1  0.193  0.642  0.141  1.0
  Cu  Cu11  1  0.002  0.998  1.000  1.0
  Cu  Cu12  1  0.431  0.997  0.145  1.0
  Cu  Cu13  1  0.807  0.355  0.858  1.0
  Cu  Cu14  1  0.630  0.640  0.289  1.0
  Cu  Cu15  1  0.574  0.999  0.854  1.0
  Cu  Cu16  1  0.709  1.000  0.582  1.0
  Si  Si17  1  0.224  0.314  0.001  1.0
  Si  Si18  1  0.780  0.682  0.000  1.0
  Sb  Sb19  1  0.861  0.000  0.280  1.0
  Sb  Sb20  1  0.141  0.999  0.720  1.0
  O  O21  1  0.661  0.406  0.299  1.0
  O  O22  1  0.161  0.365  0.449  1.0
  O  O23  1  0.918  0.345  0.999  1.0
  O  O24  1  0.303  0.115  0.001  1.0
  O  O25  1  0.840  0.634  0.552  1.0
  O  O26  1  0.335  0.594  0.701  1.0
  O  O27  1  0.996  0.116  0.589  1.0
  O  O28  1  0.004  0.883  0.411  1.0
  O  O29  1  0.700  0.881  0.001  1.0
  O  O30  1  0.125  0.879  0.152  1.0
  O  O31  1  0.271  0.389  0.118  1.0
  O  O32  1  0.034  0.594  0.299  1.0
  O  O33  1  0.414  0.884  0.589  1.0
  O  O34  1  0.716  0.126  0.154  1.0
  O  O35  1  0.616  0.606  0.118  1.0
  O  O36  1  0.086  0.650  1.000  1.0
  O  O37  1  0.281  0.878  0.848  1.0
  O  O38  1  0.874  0.119  0.849  1.0
  O  O39  1  0.587  0.115  0.412  1.0
  O  O40  1  0.139  0.131  0.281  1.0
  O  O41  1  0.862  0.869  0.719  1.0
  O  O42  1  0.391  0.388  0.883  1.0
  O  O43  1  0.419  0.130  0.720  1.0
  O  O44  1  0.609  0.365  0.552  1.0
  O  O45  1  0.728  0.610  0.883  1.0
  O  O46  1  0.583  0.870  0.279  1.0
  O  O47  1  0.965  0.405  0.701  1.0
  O  O48  1  0.391  0.636  0.448  1.0
[/CIF]
.
The crystal structure described by Cu13Al4Si2(SbO14)2 is Aluminum carbonitride-derived structured and crystallizes in the triclinic P1 space group. There are thirteen inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(21), one O(25), one O(27), one O(5), and one O(6) atom to form CuO5 trigonal bipyramids that share  a cornercorner with one Cu(12)O6 octahedra,  a cornercorner with one Cu(13)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, corners with two equivalent Al(4)O4 tetrahedra, corners with two equivalent Cu(5)O5 trigonal bipyramids,  an edgeedge with one Cu(10)O5 trigonal bipyramid, and  an edgeedge with one Cu(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 56-63°. In the second Cu site, Cu(2) is bonded to one O(1), one O(11), one O(14), one O(15), and one O(3) atom to form CuO5 trigonal bipyramids that share  a cornercorner with one Cu(8)O6 octahedra,  a cornercorner with one Cu(9)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, corners with two equivalent Si(1)O4 tetrahedra,  a cornercorner with one Cu(10)O5 trigonal bipyramid, corners with two equivalent Cu(4)O5 trigonal bipyramids,  an edgeedge with one Cu(11)O5 trigonal bipyramid, and  an edgeedge with one Cu(7)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 56-67°. In the third Cu site, Cu(3) is bonded to one O(22), one O(23), one O(24), one O(27), and one O(6) atom to form CuO5 trigonal bipyramids that share  a cornercorner with one Cu(12)O6 octahedra,  a cornercorner with one Cu(13)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra, corners with two equivalent Al(3)O4 tetrahedra, corners with two equivalent Cu(10)O5 trigonal bipyramids,  an edgeedge with one Cu(1)O5 trigonal bipyramid, and  an edgeedge with one Cu(5)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 56-63°. In the fourth Cu site, Cu(4) is bonded to one O(1), one O(11), one O(12), one O(2), and one O(20) atom to form CuO5 trigonal bipyramids that share  a cornercorner with one Cu(6)O6 octahedra,  a cornercorner with one Cu(9)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra, corners with two equivalent Al(2)O4 tetrahedra, corners with two equivalent Cu(2)O5 trigonal bipyramids,  an edgeedge with one Cu(11)O5 trigonal bipyramid, and  an edgeedge with one Cu(7)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 55-63°. In the fifth Cu site, Cu(5) is bonded to one O(16), one O(17), one O(22), one O(25), and one O(6) atom to form CuO5 trigonal bipyramids that share  a cornercorner with one Cu(12)O6 octahedra,  a cornercorner with one Cu(8)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra, corners with two equivalent Si(2)O4 tetrahedra,  a cornercorner with one Cu(7)O5 trigonal bipyramid, corners with two equivalent Cu(1)O5 trigonal bipyramids,  an edgeedge with one Cu(10)O5 trigonal bipyramid, and  an edgeedge with one Cu(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 57-66°. In the sixth Cu site, Cu(6) is bonded to one O(13), one O(19), one O(20), one O(26), one O(7), and one O(8) atom to form distorted CuO6 octahedra that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Cu(11)O5 trigonal bipyramid,  a cornercorner with one Cu(4)O5 trigonal bipyramid,  an edgeedge with one Cu(9)O6 octahedra,  an edgeedge with one Sb(2)O6 octahedra, edges with two equivalent Cu(13)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. In the seventh Cu site, Cu(7) is bonded to one O(10), one O(11), one O(12), one O(15), and one O(16) atom to form CuO5 trigonal bipyramids that share  a cornercorner with one Cu(8)O6 octahedra,  a cornercorner with one Cu(9)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra, corners with two equivalent Si(2)O4 tetrahedra,  a cornercorner with one Cu(5)O5 trigonal bipyramid, corners with two equivalent Cu(11)O5 trigonal bipyramids,  an edgeedge with one Cu(2)O5 trigonal bipyramid, and  an edgeedge with one Cu(4)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 57-67°. In the eighth Cu site, Cu(8) is bonded to one O(10), one O(14), one O(17), one O(18), one O(4), and one O(9) atom to form distorted CuO6 octahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Cu(10)O5 trigonal bipyramid,  a cornercorner with one Cu(2)O5 trigonal bipyramid,  a cornercorner with one Cu(5)O5 trigonal bipyramid,  a cornercorner with one Cu(7)O5 trigonal bipyramid,  an edgeedge with one Sb(1)O6 octahedra,  an edgeedge with one Sb(2)O6 octahedra, edges with two equivalent Cu(12)O6 octahedra, and edges with two equivalent Cu(9)O6 octahedra. In the ninth Cu site, Cu(9) is bonded to one O(10), one O(14), one O(20), one O(26), one O(4), and one O(9) atom to form CuO6 octahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Cu(11)O5 trigonal bipyramid,  a cornercorner with one Cu(2)O5 trigonal bipyramid,  a cornercorner with one Cu(4)O5 trigonal bipyramid,  a cornercorner with one Cu(7)O5 trigonal bipyramid,  an edgeedge with one Cu(12)O6 octahedra,  an edgeedge with one Cu(6)O6 octahedra, edges with two equivalent Cu(8)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. In the tenth Cu site, Cu(10) is bonded to one O(18), one O(22), one O(25), one O(27), and one O(3) atom to form CuO5 trigonal bipyramids that share  a cornercorner with one Cu(12)O6 octahedra,  a cornercorner with one Cu(8)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra,  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, corners with two equivalent Si(1)O4 tetrahedra,  a cornercorner with one Cu(2)O5 trigonal bipyramid, corners with two equivalent Cu(3)O5 trigonal bipyramids,  an edgeedge with one Cu(1)O5 trigonal bipyramid, and  an edgeedge with one Cu(5)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 58-66°. In the eleventh Cu site, Cu(11) is bonded to one O(1), one O(12), one O(15), one O(26), and one O(28) atom to form CuO5 trigonal bipyramids that share  a cornercorner with one Cu(6)O6 octahedra,  a cornercorner with one Cu(9)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, corners with two equivalent Al(1)O4 tetrahedra, corners with two equivalent Cu(7)O5 trigonal bipyramids,  an edgeedge with one Cu(2)O5 trigonal bipyramid, and  an edgeedge with one Cu(4)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 56-64°. In the twelfth Cu site, Cu(12) is bonded to one O(17), one O(18), one O(21), one O(23), one O(4), and one O(9) atom to form CuO6 octahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Cu(1)O5 trigonal bipyramid,  a cornercorner with one Cu(10)O5 trigonal bipyramid,  a cornercorner with one Cu(3)O5 trigonal bipyramid,  a cornercorner with one Cu(5)O5 trigonal bipyramid,  an edgeedge with one Cu(13)O6 octahedra,  an edgeedge with one Cu(9)O6 octahedra, edges with two equivalent Cu(8)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. In the thirteenth Cu site, Cu(13) is bonded to one O(13), one O(19), one O(21), one O(23), one O(7), and one O(8) atom to form distorted CuO6 octahedra that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Cu(1)O5 trigonal bipyramid,  a cornercorner with one Cu(3)O5 trigonal bipyramid,  an edgeedge with one Cu(12)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, edges with two equivalent Cu(6)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. There are four inequivalent Al sites. In the first Al site, Al(1) is bonded to one O(12), one O(28), one O(5), and one O(8) atom to form distorted AlO4 tetrahedra that share  a cornercorner with one Cu(13)O6 octahedra,  a cornercorner with one Cu(6)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Al(4)O4 tetrahedra,  a cornercorner with one Cu(1)O5 trigonal bipyramid,  a cornercorner with one Cu(4)O5 trigonal bipyramid,  a cornercorner with one Cu(7)O5 trigonal bipyramid, and corners with two equivalent Cu(11)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 54-70°. In the second Al site, Al(2) is bonded to one O(1), one O(19), one O(2), and one O(24) atom to form AlO4 tetrahedra that share  a cornercorner with one Cu(13)O6 octahedra,  a cornercorner with one Cu(6)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra, corners with two equivalent Al(3)O4 tetrahedra,  a cornercorner with one Cu(11)O5 trigonal bipyramid,  a cornercorner with one Cu(2)O5 trigonal bipyramid,  a cornercorner with one Cu(3)O5 trigonal bipyramid, and corners with two equivalent Cu(4)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 54-70°. In the third Al site, Al(3) is bonded to one O(2), one O(24), one O(27), and one O(7) atom to form distorted AlO4 tetrahedra that share  a cornercorner with one Cu(13)O6 octahedra,  a cornercorner with one Cu(6)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Al(2)O4 tetrahedra,  a cornercorner with one Cu(1)O5 trigonal bipyramid,  a cornercorner with one Cu(10)O5 trigonal bipyramid,  a cornercorner with one Cu(4)O5 trigonal bipyramid, and corners with two equivalent Cu(3)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 54-70°. In the fourth Al site, Al(4) is bonded to one O(13), one O(28), one O(5), and one O(6) atom to form distorted AlO4 tetrahedra that share  a cornercorner with one Cu(13)O6 octahedra,  a cornercorner with one Cu(6)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Al(1)O4 tetrahedra,  a cornercorner with one Cu(11)O5 trigonal bipyramid,  a cornercorner with one Cu(3)O5 trigonal bipyramid,  a cornercorner with one Cu(5)O5 trigonal bipyramid, and corners with two equivalent Cu(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 54-71°. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(11), one O(22), one O(3), and one O(4) atom to form SiO4 tetrahedra that share  a cornercorner with one Cu(12)O6 octahedra,  a cornercorner with one Cu(8)O6 octahedra,  a cornercorner with one Cu(9)O6 octahedra,  a cornercorner with one Cu(3)O5 trigonal bipyramid,  a cornercorner with one Cu(4)O5 trigonal bipyramid,  a cornercorner with one Cu(5)O5 trigonal bipyramid,  a cornercorner with one Cu(7)O5 trigonal bipyramid, corners with two equivalent Cu(10)O5 trigonal bipyramids, and corners with two equivalent Cu(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 60-67°. In the second Si site, Si(2) is bonded to one O(15), one O(16), one O(25), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Cu(12)O6 octahedra,  a cornercorner with one Cu(8)O6 octahedra,  a cornercorner with one Cu(9)O6 octahedra,  a cornercorner with one Cu(1)O5 trigonal bipyramid,  a cornercorner with one Cu(10)O5 trigonal bipyramid,  a cornercorner with one Cu(11)O5 trigonal bipyramid,  a cornercorner with one Cu(2)O5 trigonal bipyramid, corners with two equivalent Cu(5)O5 trigonal bipyramids, and corners with two equivalent Cu(7)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 60-67°. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(10), one O(14), one O(19), one O(20), one O(26), and one O(8) atom to form SbO6 octahedra that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Cu(11)O5 trigonal bipyramid,  a cornercorner with one Cu(2)O5 trigonal bipyramid,  a cornercorner with one Cu(4)O5 trigonal bipyramid,  a cornercorner with one Cu(7)O5 trigonal bipyramid,  an edgeedge with one Cu(13)O6 octahedra,  an edgeedge with one Cu(8)O6 octahedra, edges with two equivalent Cu(6)O6 octahedra, and edges with two equivalent Cu(9)O6 octahedra. In the second Sb site, Sb(2) is bonded to one O(13), one O(17), one O(18), one O(21), one O(23), and one O(7) atom to form SbO6 octahedra that share  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Cu(1)O5 trigonal bipyramid,  a cornercorner with one Cu(10)O5 trigonal bipyramid,  a cornercorner with one Cu(3)O5 trigonal bipyramid,  a cornercorner with one Cu(5)O5 trigonal bipyramid,  an edgeedge with one Cu(6)O6 octahedra,  an edgeedge with one Cu(8)O6 octahedra, edges with two equivalent Cu(12)O6 octahedra, and edges with two equivalent Cu(13)O6 octahedra. There are twenty-eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted rectangular see-saw-like geometry to one Cu(11), one Cu(2), one Cu(4), and one Al(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Cu(4), one Al(2), and one Al(3) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Cu(10), one Cu(2), and one Si(1) atom. In the fourth O site, O(4) is bonded to one Cu(12), one Cu(8), one Cu(9), and one Si(1) atom to form distorted OCu3Si tetrahedra that share  a cornercorner with one O(9)Cu3Si tetrahedra, corners with two equivalent O(18)Cu3Sb tetrahedra, corners with two equivalent O(14)Cu3Sb trigonal pyramids,  an edgeedge with one O(10)Cu3Sb tetrahedra,  an edgeedge with one O(17)Cu3Sb tetrahedra, and  an edgeedge with one O(9)Cu3Si tetrahedra. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Cu(1), one Al(1), and one Al(4) atom. In the sixth O site, O(6) is bonded to one Cu(1), one Cu(3), one Cu(5), and one Al(4) atom to form distorted OAlCu3 tetrahedra that share  a cornercorner with one O(13)AlCu2Sb tetrahedra,  a cornercorner with one O(17)Cu3Sb tetrahedra, and  an edgeedge with one O(27)AlCu3 tetrahedra. In the seventh O site, O(7) is bonded to one Cu(13), one Cu(6), one Al(3), and one Sb(2) atom to form distorted OAlCu2Sb tetrahedra that share  a cornercorner with one O(13)AlCu2Sb tetrahedra,  a cornercorner with one O(27)AlCu3 tetrahedra,  a cornercorner with one O(17)Cu3Sb tetrahedra,  a cornercorner with one O(18)Cu3Sb tetrahedra, corners with two equivalent O(19)AlCu2Sb tetrahedra,  an edgeedge with one O(13)AlCu2Sb tetrahedra, and  an edgeedge with one O(8)AlCu2Sb tetrahedra. In the eighth O site, O(8) is bonded to one Cu(13), one Cu(6), one Al(1), and one Sb(1) atom to form distorted OAlCu2Sb tetrahedra that share  a cornercorner with one O(19)AlCu2Sb tetrahedra,  a cornercorner with one O(12)AlCu3 tetrahedra,  a cornercorner with one O(10)Cu3Sb tetrahedra, corners with two equivalent O(13)AlCu2Sb tetrahedra,  a cornercorner with one O(14)Cu3Sb trigonal pyramid,  an edgeedge with one O(19)AlCu2Sb tetrahedra, and  an edgeedge with one O(7)AlCu2Sb tetrahedra. In the ninth O site, O(9) is bonded to one Cu(12), one Cu(8), one Cu(9), and one Si(2) atom to form distorted OCu3Si tetrahedra that share  a cornercorner with one O(4)Cu3Si tetrahedra, corners with two equivalent O(10)Cu3Sb tetrahedra, corners with two equivalent O(17)Cu3Sb tetrahedra,  an edgeedge with one O(18)Cu3Sb tetrahedra,  an edgeedge with one O(4)Cu3Si tetrahedra, and  an edgeedge with one O(14)Cu3Sb trigonal pyramid. In the tenth O site, O(10) is bonded to one Cu(7), one Cu(8), one Cu(9), and one Sb(1) atom to form distorted OCu3Sb tetrahedra that share  a cornercorner with one O(19)AlCu2Sb tetrahedra,  a cornercorner with one O(8)AlCu2Sb tetrahedra,  a cornercorner with one O(12)AlCu3 tetrahedra,  a cornercorner with one O(17)Cu3Sb tetrahedra,  a cornercorner with one O(18)Cu3Sb tetrahedra, corners with two equivalent O(9)Cu3Si tetrahedra,  a cornercorner with one O(14)Cu3Sb trigonal pyramid,  an edgeedge with one O(4)Cu3Si tetrahedra, and  an edgeedge with one O(14)Cu3Sb trigonal pyramid. In the eleventh O site, O(11) is bonded in a distorted rectangular see-saw-like geometry to one Cu(2), one Cu(4), one Cu(7), and one Si(1) atom. In the twelfth O site, O(12) is bonded to one Cu(11), one Cu(4), one Cu(7), and one Al(1) atom to form distorted OAlCu3 tetrahedra that share  a cornercorner with one O(8)AlCu2Sb tetrahedra and  a cornercorner with one O(10)Cu3Sb tetrahedra. In the thirteenth O site, O(13) is bonded to one Cu(13), one Cu(6), one Al(4), and one Sb(2) atom to form distorted OAlCu2Sb tetrahedra that share  a cornercorner with one O(7)AlCu2Sb tetrahedra,  a cornercorner with one O(6)AlCu3 tetrahedra,  a cornercorner with one O(17)Cu3Sb tetrahedra,  a cornercorner with one O(18)Cu3Sb tetrahedra, corners with two equivalent O(8)AlCu2Sb tetrahedra,  an edgeedge with one O(19)AlCu2Sb tetrahedra, and  an edgeedge with one O(7)AlCu2Sb tetrahedra. In the fourteenth O site, O(14) is bonded to one Cu(2), one Cu(8), one Cu(9), and one Sb(1) atom to form distorted OCu3Sb trigonal pyramids that share  a cornercorner with one O(19)AlCu2Sb tetrahedra,  a cornercorner with one O(8)AlCu2Sb tetrahedra,  a cornercorner with one O(10)Cu3Sb tetrahedra,  a cornercorner with one O(17)Cu3Sb tetrahedra,  a cornercorner with one O(18)Cu3Sb tetrahedra, corners with two equivalent O(4)Cu3Si tetrahedra,  an edgeedge with one O(10)Cu3Sb tetrahedra, and  an edgeedge with one O(9)Cu3Si tetrahedra. In the fifteenth O site, O(15) is bonded in a 4-coordinate geometry to one Cu(11), one Cu(2), one Cu(7), and one Si(2) atom. In the sixteenth O site, O(16) is bonded in a trigonal planar geometry to one Cu(5), one Cu(7), and one Si(2) atom. In the seventeenth O site, O(17) is bonded to one Cu(12), one Cu(5), one Cu(8), and one Sb(2) atom to form distorted OCu3Sb tetrahedra that share  a cornercorner with one O(13)AlCu2Sb tetrahedra,  a cornercorner with one O(7)AlCu2Sb tetrahedra,  a cornercorner with one O(6)AlCu3 tetrahedra,  a cornercorner with one O(10)Cu3Sb tetrahedra,  a cornercorner with one O(18)Cu3Sb tetrahedra, corners with two equivalent O(9)Cu3Si tetrahedra,  a cornercorner with one O(14)Cu3Sb trigonal pyramid,  an edgeedge with one O(18)Cu3Sb tetrahedra, and  an edgeedge with one O(4)Cu3Si tetrahedra. In the eighteenth O site, O(18) is bonded to one Cu(10), one Cu(12), one Cu(8), and one Sb(2) atom to form distorted OCu3Sb tetrahedra that share  a cornercorner with one O(13)AlCu2Sb tetrahedra,  a cornercorner with one O(7)AlCu2Sb tetrahedra,  a cornercorner with one O(27)AlCu3 tetrahedra,  a cornercorner with one O(10)Cu3Sb tetrahedra,  a cornercorner with one O(17)Cu3Sb tetrahedra, corners with two equivalent O(4)Cu3Si tetrahedra,  a cornercorner with one O(14)Cu3Sb trigonal pyramid,  an edgeedge with one O(17)Cu3Sb tetrahedra, and  an edgeedge with one O(9)Cu3Si tetrahedra. In the nineteenth O site, O(19) is bonded to one Cu(13), one Cu(6), one Al(2), and one Sb(1) atom to form distorted OAlCu2Sb tetrahedra that share  a cornercorner with one O(8)AlCu2Sb tetrahedra,  a cornercorner with one O(10)Cu3Sb tetrahedra, corners with two equivalent O(7)AlCu2Sb tetrahedra,  a cornercorner with one O(14)Cu3Sb trigonal pyramid,  an edgeedge with one O(13)AlCu2Sb tetrahedra, and  an edgeedge with one O(8)AlCu2Sb tetrahedra. In the twentieth O site, O(20) is bonded in a rectangular see-saw-like geometry to one Cu(4), one Cu(6), one Cu(9), and one Sb(1) atom. In the twenty-first O site, O(21) is bonded in a rectangular see-saw-like geometry to one Cu(1), one Cu(12), one Cu(13), and one Sb(2) atom. In the twenty-second O site, O(22) is bonded in a distorted rectangular see-saw-like geometry to one Cu(10), one Cu(3), one Cu(5), and one Si(1) atom. In the twenty-third O site, O(23) is bonded in a rectangular see-saw-like geometry to one Cu(12), one Cu(13), one Cu(3), and one Sb(2) atom. In the twenty-fourth O site, O(24) is bonded in a distorted trigonal planar geometry to one Cu(3), one Al(2), and one Al(3) atom. In the twenty-fifth O site, O(25) is bonded in a distorted rectangular see-saw-like geometry to one Cu(1), one Cu(10), one Cu(5), and one Si(2) atom. In the twenty-sixth O site, O(26) is bonded in a distorted rectangular see-saw-like geometry to one Cu(11), one Cu(6), one Cu(9), and one Sb(1) atom. In the twenty-seventh O site, O(27) is bonded to one Cu(1), one Cu(10), one Cu(3), and one Al(3) atom to form distorted OAlCu3 tetrahedra that share  a cornercorner with one O(7)AlCu2Sb tetrahedra,  a cornercorner with one O(18)Cu3Sb tetrahedra, and  an edgeedge with one O(6)AlCu3 tetrahedra. In the twenty-eighth O site, O(28) is bonded in a distorted trigonal planar geometry to one Cu(11), one Al(1), and one Al(4) atom. is represented by the CIF file [CIF]
data_Al4Cu13Si2(SbO14)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.440
_cell_length_b   8.499
_cell_length_c   11.965
_cell_angle_alpha   87.682
_cell_angle_beta   77.016
_cell_angle_gamma   80.545
_symmetry_Int_Tables_number   1
_cell_volume   531.729
_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  0.075  0.666  0.429  1.0
  Al  Al1  1  0.496  0.331  0.429  1.0
  Al  Al2  1  0.925  0.333  0.572  1.0
  Al  Al3  1  0.504  0.667  0.572  1.0
  Cu  Cu4  1  0.916  0.638  0.713  1.0
  Cu  Cu5  1  0.680  0.357  0.142  1.0
  Cu  Cu6  1  0.372  0.361  0.713  1.0
  Cu  Cu7  1  0.088  0.361  0.287  1.0
  Cu  Cu8  1  0.334  0.642  0.858  1.0
  Cu  Cu9  1  0.292  0.999  0.418  1.0
  Cu  Cu10  1  0.193  0.642  0.141  1.0
  Cu  Cu11  1  0.002  0.998  1.000  1.0
  Cu  Cu12  1  0.431  0.997  0.145  1.0
  Cu  Cu13  1  0.807  0.355  0.858  1.0
  Cu  Cu14  1  0.630  0.640  0.289  1.0
  Cu  Cu15  1  0.574  0.999  0.854  1.0
  Cu  Cu16  1  0.709  1.000  0.582  1.0
  Si  Si17  1  0.224  0.314  0.001  1.0
  Si  Si18  1  0.780  0.682  0.000  1.0
  Sb  Sb19  1  0.861  0.000  0.280  1.0
  Sb  Sb20  1  0.141  0.999  0.720  1.0
  O  O21  1  0.661  0.406  0.299  1.0
  O  O22  1  0.161  0.365  0.449  1.0
  O  O23  1  0.918  0.345  0.999  1.0
  O  O24  1  0.303  0.115  0.001  1.0
  O  O25  1  0.840  0.634  0.552  1.0
  O  O26  1  0.335  0.594  0.701  1.0
  O  O27  1  0.996  0.116  0.589  1.0
  O  O28  1  0.004  0.883  0.411  1.0
  O  O29  1  0.700  0.881  0.001  1.0
  O  O30  1  0.125  0.879  0.152  1.0
  O  O31  1  0.271  0.389  0.118  1.0
  O  O32  1  0.034  0.594  0.299  1.0
  O  O33  1  0.414  0.884  0.589  1.0
  O  O34  1  0.716  0.126  0.154  1.0
  O  O35  1  0.616  0.606  0.118  1.0
  O  O36  1  0.086  0.650  1.000  1.0
  O  O37  1  0.281  0.878  0.848  1.0
  O  O38  1  0.874  0.119  0.849  1.0
  O  O39  1  0.587  0.115  0.412  1.0
  O  O40  1  0.139  0.131  0.281  1.0
  O  O41  1  0.862  0.869  0.719  1.0
  O  O42  1  0.391  0.388  0.883  1.0
  O  O43  1  0.419  0.130  0.720  1.0
  O  O44  1  0.609  0.365  0.552  1.0
  O  O45  1  0.728  0.610  0.883  1.0
  O  O46  1  0.583  0.870  0.279  1.0
  O  O47  1  0.965  0.405  0.701  1.0
  O  O48  1  0.391  0.636  0.448  1.0
[/CIF]
.