Na3CaAl3Si3SO16 crystallizes in the triclinic P1 space group. There are six inequivalent Na sites. In the first Na site, Na(1) is bonded in a 5-coordinate geometry to one O(17), one O(2), one O(24), one O(26), and one O(7) atom. In the second Na site, Na(2) is bonded in a distorted trigonal non-coplanar geometry to one O(20), one O(31), and one O(9) atom. In the third Na site, Na(3) is bonded in a 8-coordinate geometry to one O(14), one O(16), one O(17), one O(18), one O(24), one O(28), one O(29), and one O(30) atom. In the fourth Na site, Na(4) is bonded in a distorted trigonal non-coplanar geometry to one O(25), one O(6), and one O(8) atom. In the fifth Na site, Na(5) is bonded in a 6-coordinate geometry to one O(12), one O(15), one O(16), one O(17), one O(23), and one O(30) atom. In the sixth Na site, Na(6) is bonded in a 6-coordinate geometry to one O(1), one O(15), one O(16), one O(18), one O(24), and one O(32) atom. There are two inequivalent Ca sites. In the first Ca site, Ca(1) is bonded in a 7-coordinate geometry to one O(13), one O(19), one O(21), one O(3), one O(4), one O(5), and one O(7) atom. In the second Ca site, Ca(2) is bonded in a 3-coordinate geometry to one O(10), one O(11), and one O(22) atom. There are six inequivalent Al sites. In the first Al site, Al(1) is bonded to one O(1), one O(23), one O(3), and one O(7) atom to form AlO4 tetrahedra that share  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, and  a cornercorner with one Si(5)O4 tetrahedra. In the second Al site, Al(2) is bonded to one O(12), one O(19), one O(32), and one O(7) atom to form AlO4 tetrahedra that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. In the third Al site, Al(3) is bonded to one O(11), one O(21), one O(26), and one O(6) atom to form AlO4 tetrahedra that share  a cornercorner with one Al(5)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, and  a cornercorner with one Si(3)O4 tetrahedra. In the fourth Al site, Al(4) is bonded to one O(10), one O(14), one O(18), and one O(9) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. In the fifth Al site, Al(5) is bonded to one O(2), one O(21), one O(22), and one O(25) atom to form AlO4 tetrahedra that share  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, and  a cornercorner with one Si(4)O4 tetrahedra. In the sixth Al site, Al(6) is bonded to one O(28), one O(30), one O(31), and one O(8) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. There are six inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(12), one O(2), one O(3), and one O(6) atom to form SiO4 tetrahedra 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, and  a cornercorner with one Al(5)O4 tetrahedra. In the second Si site, Si(2) is bonded to one O(11), one O(14), one O(20), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Al(6)O4 tetrahedra, and  a cornercorner with one Si(4)O4 tetrahedra. In the third Si site, Si(3) is bonded to one O(1), one O(19), one O(22), and one O(26) atom to form SiO4 tetrahedra 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, and  a cornercorner with one Al(5)O4 tetrahedra. In the fourth Si site, Si(4) is bonded to one O(10), one O(20), one O(25), and one O(28) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Al(5)O4 tetrahedra,  a cornercorner with one Al(6)O4 tetrahedra, and  a cornercorner with one Si(2)O4 tetrahedra. In the fifth Si site, Si(5) is bonded to one O(18), one O(23), one O(29), and one O(31) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Al(6)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. In the sixth Si site, Si(6) is bonded to one O(29), one O(30), one O(32), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Al(6)O4 tetrahedra, and  a cornercorner with one Si(5)O4 tetrahedra. There are two inequivalent S sites. In the first S site, S(1) is bonded in a tetrahedral geometry to one O(13), one O(27), one O(4), and one O(5) atom. In the second S site, S(2) is bonded in a tetrahedral geometry to one O(15), one O(16), one O(17), and one O(24) atom. There are thirty-two inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Na(6), one Al(1), and one Si(3) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(1), one Al(5), and one Si(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Ca(1), one Al(1), and one Si(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Ca(1) and one S(1) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one Ca(1) and one S(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Na(4), one Al(3), and one Si(1) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Na(1), one Ca(1), one Al(1), and one Al(2) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Na(4), one Al(6), and one Si(2) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Na(2), one Al(4), and one Si(6) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Ca(2), one Al(4), and one Si(4) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Ca(2), one Al(3), and one Si(2) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Na(5), one Al(2), and one Si(1) atom. In the thirteenth O site, O(13) is bonded in a single-bond geometry to one Ca(1) and one S(1) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to one Na(3), one Al(4), and one Si(2) atom. In the fifteenth O site, O(15) is bonded in a single-bond geometry to one Na(5), one Na(6), and one S(2) atom. In the sixteenth O site, O(16) is bonded in a distorted single-bond geometry to one Na(3), one Na(5), one Na(6), and one S(2) atom. In the seventeenth O site, O(17) is bonded in a distorted single-bond geometry to one Na(1), one Na(3), one Na(5), and one S(2) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one Na(3), one Na(6), one Al(4), and one Si(5) atom. In the nineteenth O site, O(19) is bonded in a distorted trigonal planar geometry to one Ca(1), one Al(2), and one Si(3) atom. In the twentieth O site, O(20) is bonded in a 3-coordinate geometry to one Na(2), one Si(2), and one Si(4) atom. In the twenty-first O site, O(21) is bonded in a trigonal planar geometry to one Ca(1), one Al(3), and one Al(5) atom. In the twenty-second O site, O(22) is bonded in a distorted trigonal planar geometry to one Ca(2), one Al(5), and one Si(3) atom. In the twenty-third O site, O(23) is bonded in a 3-coordinate geometry to one Na(5), one Al(1), and one Si(5) atom. In the twenty-fourth O site, O(24) is bonded in a distorted single-bond geometry to one Na(1), one Na(3), one Na(6), and one S(2) atom. In the twenty-fifth O site, O(25) is bonded in a 3-coordinate geometry to one Na(4), one Al(5), and one Si(4) atom. In the twenty-sixth O site, O(26) is bonded in a 3-coordinate geometry to one Na(1), one Al(3), and one Si(3) atom. In the twenty-seventh O site, O(27) is bonded in a distorted single-bond geometry to one S(1) atom. In the twenty-eighth O site, O(28) is bonded in a 3-coordinate geometry to one Na(3), one Al(6), and one Si(4) atom. In the twenty-ninth O site, O(29) is bonded in a 3-coordinate geometry to one Na(3), one Si(5), and one Si(6) atom. In the thirtieth O site, O(30) is bonded in a 3-coordinate geometry to one Na(3), one Na(5), one Al(6), and one Si(6) atom. In the thirty-first O site, O(31) is bonded in a 3-coordinate geometry to one Na(2), one Al(6), and one Si(5) atom. In the thirty-second O site, O(32) is bonded in a 3-coordinate geometry to one Na(6), one Al(2), and one Si(6) atom.
Na3CaAl3Si3SO16 crystallizes in the triclinic P1 space group. There are six inequivalent Na sites. In the first Na site, Na(1) is bonded in a 5-coordinate geometry to one O(17), one O(2), one O(24), one O(26), and one O(7) atom. The Na(1)-O(17) bond length is 2.69 Å. The Na(1)-O(2) bond length is 2.41 Å. The Na(1)-O(24) bond length is 2.69 Å. The Na(1)-O(26) bond length is 2.43 Å. The Na(1)-O(7) bond length is 2.46 Å. In the second Na site, Na(2) is bonded in a distorted trigonal non-coplanar geometry to one O(20), one O(31), and one O(9) atom. The Na(2)-O(20) bond length is 2.39 Å. The Na(2)-O(31) bond length is 2.32 Å. The Na(2)-O(9) bond length is 2.33 Å. In the third Na site, Na(3) is bonded in a 8-coordinate geometry to one O(14), one O(16), one O(17), one O(18), one O(24), one O(28), one O(29), and one O(30) atom. The Na(3)-O(14) bond length is 2.57 Å. The Na(3)-O(16) bond length is 2.73 Å. The Na(3)-O(17) bond length is 2.80 Å. The Na(3)-O(18) bond length is 2.97 Å. The Na(3)-O(24) bond length is 2.75 Å. The Na(3)-O(28) bond length is 2.53 Å. The Na(3)-O(29) bond length is 2.49 Å. The Na(3)-O(30) bond length is 2.91 Å. In the fourth Na site, Na(4) is bonded in a distorted trigonal non-coplanar geometry to one O(25), one O(6), and one O(8) atom. The Na(4)-O(25) bond length is 2.37 Å. The Na(4)-O(6) bond length is 2.32 Å. The Na(4)-O(8) bond length is 2.42 Å. In the fifth Na site, Na(5) is bonded in a 6-coordinate geometry to one O(12), one O(15), one O(16), one O(17), one O(23), and one O(30) atom. The Na(5)-O(12) bond length is 2.37 Å. The Na(5)-O(15) bond length is 2.81 Å. The Na(5)-O(16) bond length is 2.82 Å. The Na(5)-O(17) bond length is 2.74 Å. The Na(5)-O(23) bond length is 2.41 Å. The Na(5)-O(30) bond length is 2.46 Å. In the sixth Na site, Na(6) is bonded in a 6-coordinate geometry to one O(1), one O(15), one O(16), one O(18), one O(24), and one O(32) atom. The Na(6)-O(1) bond length is 2.38 Å. The Na(6)-O(15) bond length is 2.76 Å. The Na(6)-O(16) bond length is 2.80 Å. The Na(6)-O(18) bond length is 2.46 Å. The Na(6)-O(24) bond length is 2.71 Å. The Na(6)-O(32) bond length is 2.42 Å. There are two inequivalent Ca sites. In the first Ca site, Ca(1) is bonded in a 7-coordinate geometry to one O(13), one O(19), one O(21), one O(3), one O(4), one O(5), and one O(7) atom. The Ca(1)-O(13) bond length is 2.80 Å. The Ca(1)-O(19) bond length is 2.34 Å. The Ca(1)-O(21) bond length is 2.32 Å. The Ca(1)-O(3) bond length is 2.30 Å. The Ca(1)-O(4) bond length is 2.79 Å. The Ca(1)-O(5) bond length is 2.83 Å. The Ca(1)-O(7) bond length is 2.60 Å. In the second Ca site, Ca(2) is bonded in a 3-coordinate geometry to one O(10), one O(11), and one O(22) atom. The Ca(2)-O(10) bond length is 2.46 Å. The Ca(2)-O(11) bond length is 2.40 Å. The Ca(2)-O(22) bond length is 2.35 Å. There are six inequivalent Al sites. In the first Al site, Al(1) is bonded to one O(1), one O(23), one O(3), and one O(7) atom to form AlO4 tetrahedra that share  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, and  a cornercorner with one Si(5)O4 tetrahedra. The Al(1)-O(1) bond length is 1.75 Å. The Al(1)-O(23) bond length is 1.75 Å. The Al(1)-O(3) bond length is 1.77 Å. The Al(1)-O(7) bond length is 1.73 Å. In the second Al site, Al(2) is bonded to one O(12), one O(19), one O(32), and one O(7) atom to form AlO4 tetrahedra that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. The Al(2)-O(12) bond length is 1.75 Å. The Al(2)-O(19) bond length is 1.79 Å. The Al(2)-O(32) bond length is 1.75 Å. The Al(2)-O(7) bond length is 1.73 Å. In the third Al site, Al(3) is bonded to one O(11), one O(21), one O(26), and one O(6) atom to form AlO4 tetrahedra that share  a cornercorner with one Al(5)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, and  a cornercorner with one Si(3)O4 tetrahedra. The Al(3)-O(11) bond length is 1.79 Å. The Al(3)-O(21) bond length is 1.74 Å. The Al(3)-O(26) bond length is 1.76 Å. The Al(3)-O(6) bond length is 1.75 Å. In the fourth Al site, Al(4) is bonded to one O(10), one O(14), one O(18), and one O(9) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. The Al(4)-O(10) bond length is 1.79 Å. The Al(4)-O(14) bond length is 1.77 Å. The Al(4)-O(18) bond length is 1.74 Å. The Al(4)-O(9) bond length is 1.75 Å. In the fifth Al site, Al(5) is bonded to one O(2), one O(21), one O(22), and one O(25) atom to form AlO4 tetrahedra that share  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, and  a cornercorner with one Si(4)O4 tetrahedra. The Al(5)-O(2) bond length is 1.75 Å. The Al(5)-O(21) bond length is 1.74 Å. The Al(5)-O(22) bond length is 1.78 Å. The Al(5)-O(25) bond length is 1.77 Å. In the sixth Al site, Al(6) is bonded to one O(28), one O(30), one O(31), and one O(8) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. The Al(6)-O(28) bond length is 1.76 Å. The Al(6)-O(30) bond length is 1.75 Å. The Al(6)-O(31) bond length is 1.75 Å. The Al(6)-O(8) bond length is 1.77 Å. There are six inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(12), one O(2), one O(3), and one O(6) atom to form SiO4 tetrahedra 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, and  a cornercorner with one Al(5)O4 tetrahedra. The Si(1)-O(12) bond length is 1.62 Å. The Si(1)-O(2) bond length is 1.63 Å. The Si(1)-O(3) bond length is 1.64 Å. The Si(1)-O(6) bond length is 1.64 Å. In the second Si site, Si(2) is bonded to one O(11), one O(14), one O(20), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Al(6)O4 tetrahedra, and  a cornercorner with one Si(4)O4 tetrahedra. The Si(2)-O(11) bond length is 1.65 Å. The Si(2)-O(14) bond length is 1.63 Å. The Si(2)-O(20) bond length is 1.67 Å. The Si(2)-O(8) bond length is 1.63 Å. In the third Si site, Si(3) is bonded to one O(1), one O(19), one O(22), and one O(26) atom to form SiO4 tetrahedra 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, and  a cornercorner with one Al(5)O4 tetrahedra. The Si(3)-O(1) bond length is 1.62 Å. The Si(3)-O(19) bond length is 1.64 Å. The Si(3)-O(22) bond length is 1.66 Å. The Si(3)-O(26) bond length is 1.63 Å. In the fourth Si site, Si(4) is bonded to one O(10), one O(20), one O(25), and one O(28) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Al(5)O4 tetrahedra,  a cornercorner with one Al(6)O4 tetrahedra, and  a cornercorner with one Si(2)O4 tetrahedra. The Si(4)-O(10) bond length is 1.65 Å. The Si(4)-O(20) bond length is 1.67 Å. The Si(4)-O(25) bond length is 1.62 Å. The Si(4)-O(28) bond length is 1.62 Å. In the fifth Si site, Si(5) is bonded to one O(18), one O(23), one O(29), and one O(31) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Al(6)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. The Si(5)-O(18) bond length is 1.63 Å. The Si(5)-O(23) bond length is 1.62 Å. The Si(5)-O(29) bond length is 1.66 Å. The Si(5)-O(31) bond length is 1.63 Å. In the sixth Si site, Si(6) is bonded to one O(29), one O(30), one O(32), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Al(6)O4 tetrahedra, and  a cornercorner with one Si(5)O4 tetrahedra. The Si(6)-O(29) bond length is 1.66 Å. The Si(6)-O(30) bond length is 1.63 Å. The Si(6)-O(32) bond length is 1.62 Å. The Si(6)-O(9) bond length is 1.63 Å. There are two inequivalent S sites. In the first S site, S(1) is bonded in a tetrahedral geometry to one O(13), one O(27), one O(4), and one O(5) atom. The S(1)-O(13) bond length is 1.48 Å. The S(1)-O(27) bond length is 1.49 Å. The S(1)-O(4) bond length is 1.51 Å. The S(1)-O(5) bond length is 1.50 Å. In the second S site, S(2) is bonded in a tetrahedral geometry to one O(15), one O(16), one O(17), and one O(24) atom. The S(2)-O(15) bond length is 1.50 Å. The S(2)-O(16) bond length is 1.50 Å. The S(2)-O(17) bond length is 1.50 Å. The S(2)-O(24) bond length is 1.50 Å. There are thirty-two inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Na(6), one Al(1), and one Si(3) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(1), one Al(5), and one Si(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Ca(1), one Al(1), and one Si(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Ca(1) and one S(1) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one Ca(1) and one S(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Na(4), one Al(3), and one Si(1) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Na(1), one Ca(1), one Al(1), and one Al(2) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Na(4), one Al(6), and one Si(2) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Na(2), one Al(4), and one Si(6) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Ca(2), one Al(4), and one Si(4) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Ca(2), one Al(3), and one Si(2) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Na(5), one Al(2), and one Si(1) atom. In the thirteenth O site, O(13) is bonded in a single-bond geometry to one Ca(1) and one S(1) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to one Na(3), one Al(4), and one Si(2) atom. In the fifteenth O site, O(15) is bonded in a single-bond geometry to one Na(5), one Na(6), and one S(2) atom. In the sixteenth O site, O(16) is bonded in a distorted single-bond geometry to one Na(3), one Na(5), one Na(6), and one S(2) atom. In the seventeenth O site, O(17) is bonded in a distorted single-bond geometry to one Na(1), one Na(3), one Na(5), and one S(2) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one Na(3), one Na(6), one Al(4), and one Si(5) atom. In the nineteenth O site, O(19) is bonded in a distorted trigonal planar geometry to one Ca(1), one Al(2), and one Si(3) atom. In the twentieth O site, O(20) is bonded in a 3-coordinate geometry to one Na(2), one Si(2), and one Si(4) atom. In the twenty-first O site, O(21) is bonded in a trigonal planar geometry to one Ca(1), one Al(3), and one Al(5) atom. In the twenty-second O site, O(22) is bonded in a distorted trigonal planar geometry to one Ca(2), one Al(5), and one Si(3) atom. In the twenty-third O site, O(23) is bonded in a 3-coordinate geometry to one Na(5), one Al(1), and one Si(5) atom. In the twenty-fourth O site, O(24) is bonded in a distorted single-bond geometry to one Na(1), one Na(3), one Na(6), and one S(2) atom. In the twenty-fifth O site, O(25) is bonded in a 3-coordinate geometry to one Na(4), one Al(5), and one Si(4) atom. In the twenty-sixth O site, O(26) is bonded in a 3-coordinate geometry to one Na(1), one Al(3), and one Si(3) atom. In the twenty-seventh O site, O(27) is bonded in a distorted single-bond geometry to one S(1) atom. In the twenty-eighth O site, O(28) is bonded in a 3-coordinate geometry to one Na(3), one Al(6), and one Si(4) atom. In the twenty-ninth O site, O(29) is bonded in a 3-coordinate geometry to one Na(3), one Si(5), and one Si(6) atom. In the thirtieth O site, O(30) is bonded in a 3-coordinate geometry to one Na(3), one Na(5), one Al(6), and one Si(6) atom. In the thirty-first O site, O(31) is bonded in a 3-coordinate geometry to one Na(2), one Al(6), and one Si(5) atom. In the thirty-second O site, O(32) is bonded in a 3-coordinate geometry to one Na(6), one Al(2), and one Si(6) atom.