(Na8Al6Si6NO30)2N2 crystallizes in the triclinic P1 space group. The structure consists of one ammonia atom inside a Na8Al6Si6NO30 framework. In the Na8Al6Si6NO30 framework, there are eight inequivalent Na sites. In the first Na site, Na(1) is bonded in a 7-coordinate geometry to one N(1), one O(11), one O(25), one O(3), one O(30), one O(5), and one O(7) atom. In the second Na site, Na(2) is bonded in a 7-coordinate geometry to one O(12), one O(26), one O(27), one O(29), one O(4), one O(6), and one O(8) atom. In the third Na site, Na(3) is bonded in a 3-coordinate geometry to one O(1), one O(28), one O(6), one O(7), and one O(9) atom. In the fourth Na site, Na(4) is bonded in a 5-coordinate geometry to one O(10), one O(2), one O(27), one O(5), and one O(8) atom. In the fifth Na site, Na(5) is bonded in a 6-coordinate geometry to one O(15), one O(17), one O(21), one O(24), one O(25), and one O(30) atom. In the sixth Na site, Na(6) is bonded in a 7-coordinate geometry to one O(12), one O(16), one O(18), one O(20), one O(22), one O(23), and one O(26) atom. In the seventh Na site, Na(7) is bonded in a 6-coordinate geometry to one O(13), one O(16), one O(20), one O(21), one O(24), and one O(28) atom. In the eighth Na site, Na(8) is bonded in a 4-coordinate geometry to one O(14), one O(19), one O(22), and one O(30) atom. There are six inequivalent Al sites. In the first Al site, Al(1) is bonded to one O(1), one O(21), one O(25), and one O(3) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, and  a cornercorner with one Si(5)O4 tetrahedra. In the second Al site, Al(2) is bonded to one O(5), one O(6), one O(7), and one O(8) atom to form AlO4 tetrahedra that share  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 third Al site, Al(3) is bonded to one O(10), one O(11), one O(14), and one O(15) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, and  a cornercorner with one Si(5)O4 tetrahedra. In the fourth Al site, Al(4) is bonded to one O(12), one O(13), one O(16), and one O(9) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, and  a cornercorner with one Si(5)O4 tetrahedra. In the fifth Al site, Al(5) is bonded to one O(17), one O(18), one O(19), one O(23), and one O(24) atom to form distorted AlO5 square pyramids that share  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(2), one O(22), one O(26), and one O(4) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, and  a cornercorner with one Si(5)O4 tetrahedra. There are six inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(19), one O(2), one O(25), and one O(5) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(5)O5 square pyramid,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra, and  a cornercorner with one Al(6)O4 tetrahedra. In the second Si site, Si(2) is bonded to one O(10), one O(3), one O(4), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra, and  a cornercorner with one Al(6)O4 tetrahedra. In the third Si site, Si(3) is bonded to one O(12), one O(14), one O(18), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(5)O5 square pyramid,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra, and  a cornercorner with one Al(4)O4 tetrahedra. In the fourth Si site, Si(4) is bonded to one O(11), one O(13), one O(17), and one O(7) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(5)O5 square pyramid,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra, and  a cornercorner with one Al(4)O4 tetrahedra. In the fifth Si site, Si(5) is bonded to one O(15), one O(16), one O(21), and one O(22) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra, and  a cornercorner with one Al(6)O4 tetrahedra. In the sixth Si site, Si(6) is bonded in a 5-coordinate geometry to one O(1), one O(20), one O(23), one O(26), and one O(6) atom. N(1) is bonded in a 3-coordinate geometry to one Na(1), one O(27), and one O(30) atom. There are thirty inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Na(3), one Al(1), and one Si(6) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(4), one Al(6), and one Si(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one Na(1), one Al(1), and one Si(2) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Na(2), one Al(6), and one Si(2) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Na(1), one Na(4), one Al(2), and one Si(1) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Na(2), one Na(3), one Al(2), and one Si(6) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Na(1), one Na(3), one Al(2), and one Si(4) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Na(2), one Na(4), one Al(2), and one Si(3) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Na(3), one Al(4), and one Si(2) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Na(4), one Al(3), and one Si(2) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Na(1), one Al(3), and one Si(4) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Na(2), one Na(6), one Al(4), and one Si(3) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Na(7), one Al(4), and one Si(4) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to one Na(8), one Al(3), and one Si(3) atom. In the fifteenth O site, O(15) is bonded in a 3-coordinate geometry to one Na(5), one Al(3), and one Si(5) atom. In the sixteenth O site, O(16) is bonded in a 4-coordinate geometry to one Na(6), one Na(7), one Al(4), and one Si(5) atom. In the seventeenth O site, O(17) is bonded in a 3-coordinate geometry to one Na(5), one Al(5), and one Si(4) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one Na(6), one Al(5), and one Si(3) atom. In the nineteenth O site, O(19) is bonded in a distorted trigonal planar geometry to one Na(8), one Al(5), and one Si(1) atom. In the twentieth O site, O(20) is bonded in a 4-coordinate geometry to one Na(6), one Na(7), one Si(6), and one O(23) atom. In the twenty-first O site, O(21) is bonded in a 2-coordinate geometry to one Na(5), one Na(7), one Al(1), and one Si(5) atom. In the twenty-second O site, O(22) is bonded in a 3-coordinate geometry to one Na(6), one Na(8), one Al(6), and one Si(5) atom. In the twenty-third O site, O(23) is bonded in a 2-coordinate geometry to one Na(6), one Al(5), one Si(6), and one O(20) atom. In the twenty-fourth O site, O(24) is bonded in a distorted trigonal non-coplanar geometry to one Na(5), one Na(7), and one Al(5) atom. In the twenty-fifth O site, O(25) is bonded in a 4-coordinate geometry to one Na(1), one Na(5), one Al(1), and one Si(1) atom. In the twenty-sixth O site, O(26) is bonded in a 4-coordinate geometry to one Na(2), one Na(6), one Al(6), and one Si(6) atom. In the twenty-seventh O site, O(27) is bonded in a 3-coordinate geometry to one Na(2), one Na(4), and one N(1) atom. In the twenty-eighth O site, O(28) is bonded in a 3-coordinate geometry to one Na(3), one Na(7), and one O(29) atom. In the twenty-ninth O site, O(29) is bonded in a distorted water-like geometry to one Na(2) and one O(28) atom. In the thirtieth O site, O(30) is bonded in a 4-coordinate geometry to one Na(1), one Na(5), one Na(8), and one N(1) atom.
(Na8Al6Si6NO30)2N2 crystallizes in the triclinic P1 space group. The structure consists of one ammonia atom inside a Na8Al6Si6NO30 framework. In the Na8Al6Si6NO30 framework, there are eight inequivalent Na sites. In the first Na site, Na(1) is bonded in a 7-coordinate geometry to one N(1), one O(11), one O(25), one O(3), one O(30), one O(5), and one O(7) atom. The Na(1)-N(1) bond length is 2.54 Å. The Na(1)-O(11) bond length is 2.43 Å. The Na(1)-O(25) bond length is 2.73 Å. The Na(1)-O(3) bond length is 2.52 Å. The Na(1)-O(30) bond length is 2.78 Å. The Na(1)-O(5) bond length is 2.51 Å. The Na(1)-O(7) bond length is 2.80 Å. In the second Na site, Na(2) is bonded in a 7-coordinate geometry to one O(12), one O(26), one O(27), one O(29), one O(4), one O(6), and one O(8) atom. The Na(2)-O(12) bond length is 2.54 Å. The Na(2)-O(26) bond length is 2.69 Å. The Na(2)-O(27) bond length is 2.62 Å. The Na(2)-O(29) bond length is 2.74 Å. The Na(2)-O(4) bond length is 2.53 Å. The Na(2)-O(6) bond length is 2.36 Å. The Na(2)-O(8) bond length is 2.87 Å. In the third Na site, Na(3) is bonded in a 3-coordinate geometry to one O(1), one O(28), one O(6), one O(7), and one O(9) atom. The Na(3)-O(1) bond length is 2.31 Å. The Na(3)-O(28) bond length is 2.98 Å. The Na(3)-O(6) bond length is 2.72 Å. The Na(3)-O(7) bond length is 2.30 Å. The Na(3)-O(9) bond length is 2.35 Å. In the fourth Na site, Na(4) is bonded in a 5-coordinate geometry to one O(10), one O(2), one O(27), one O(5), and one O(8) atom. The Na(4)-O(10) bond length is 2.36 Å. The Na(4)-O(2) bond length is 2.33 Å. The Na(4)-O(27) bond length is 2.71 Å. The Na(4)-O(5) bond length is 2.83 Å. The Na(4)-O(8) bond length is 2.35 Å. In the fifth Na site, Na(5) is bonded in a 6-coordinate geometry to one O(15), one O(17), one O(21), one O(24), one O(25), and one O(30) atom. The Na(5)-O(15) bond length is 2.39 Å. The Na(5)-O(17) bond length is 2.58 Å. The Na(5)-O(21) bond length is 2.91 Å. The Na(5)-O(24) bond length is 2.28 Å. The Na(5)-O(25) bond length is 2.37 Å. The Na(5)-O(30) bond length is 2.67 Å. In the sixth Na site, Na(6) is bonded in a 7-coordinate geometry to one O(12), one O(16), one O(18), one O(20), one O(22), one O(23), and one O(26) atom. The Na(6)-O(12) bond length is 2.84 Å. The Na(6)-O(16) bond length is 2.58 Å. The Na(6)-O(18) bond length is 2.42 Å. The Na(6)-O(20) bond length is 2.36 Å. The Na(6)-O(22) bond length is 3.04 Å. The Na(6)-O(23) bond length is 2.62 Å. The Na(6)-O(26) bond length is 2.46 Å. In the seventh Na site, Na(7) is bonded in a 6-coordinate geometry to one O(13), one O(16), one O(20), one O(21), one O(24), and one O(28) atom. The Na(7)-O(13) bond length is 2.42 Å. The Na(7)-O(16) bond length is 2.65 Å. The Na(7)-O(20) bond length is 2.35 Å. The Na(7)-O(21) bond length is 2.45 Å. The Na(7)-O(24) bond length is 2.29 Å. The Na(7)-O(28) bond length is 2.74 Å. In the eighth Na site, Na(8) is bonded in a 4-coordinate geometry to one O(14), one O(19), one O(22), and one O(30) atom. The Na(8)-O(14) bond length is 2.47 Å. The Na(8)-O(19) bond length is 2.32 Å. The Na(8)-O(22) bond length is 2.49 Å. The Na(8)-O(30) bond length is 2.44 Å. There are six inequivalent Al sites. In the first Al site, Al(1) is bonded to one O(1), one O(21), one O(25), and one O(3) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)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(21) bond length is 1.76 Å. The Al(1)-O(25) bond length is 1.75 Å. The Al(1)-O(3) bond length is 1.77 Å. In the second Al site, Al(2) is bonded to one O(5), one O(6), one O(7), and one O(8) atom to form AlO4 tetrahedra that share  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(2)-O(5) bond length is 1.75 Å. The Al(2)-O(6) bond length is 1.75 Å. The Al(2)-O(7) bond length is 1.76 Å. The Al(2)-O(8) bond length is 1.76 Å. In the third Al site, Al(3) is bonded to one O(10), one O(11), one O(14), and one O(15) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, and  a cornercorner with one Si(5)O4 tetrahedra. The Al(3)-O(10) bond length is 1.76 Å. The Al(3)-O(11) bond length is 1.75 Å. The Al(3)-O(14) bond length is 1.76 Å. The Al(3)-O(15) bond length is 1.76 Å. In the fourth Al site, Al(4) is bonded to one O(12), one O(13), one O(16), and one O(9) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, and  a cornercorner with one Si(5)O4 tetrahedra. The Al(4)-O(12) bond length is 1.77 Å. The Al(4)-O(13) bond length is 1.76 Å. The Al(4)-O(16) bond length is 1.78 Å. The Al(4)-O(9) bond length is 1.77 Å. In the fifth Al site, Al(5) is bonded to one O(17), one O(18), one O(19), one O(23), and one O(24) atom to form distorted AlO5 square pyramids that share  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(17) bond length is 1.83 Å. The Al(5)-O(18) bond length is 1.82 Å. The Al(5)-O(19) bond length is 1.79 Å. The Al(5)-O(23) bond length is 1.95 Å. The Al(5)-O(24) bond length is 1.83 Å. In the sixth Al site, Al(6) is bonded to one O(2), one O(22), one O(26), and one O(4) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, and  a cornercorner with one Si(5)O4 tetrahedra. The Al(6)-O(2) bond length is 1.75 Å. The Al(6)-O(22) bond length is 1.76 Å. The Al(6)-O(26) bond length is 1.73 Å. The Al(6)-O(4) bond length is 1.75 Å. There are six inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(19), one O(2), one O(25), and one O(5) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(5)O5 square pyramid,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra, and  a cornercorner with one Al(6)O4 tetrahedra. The Si(1)-O(19) bond length is 1.63 Å. The Si(1)-O(2) bond length is 1.64 Å. The Si(1)-O(25) bond length is 1.65 Å. The Si(1)-O(5) bond length is 1.64 Å. In the second Si site, Si(2) is bonded to one O(10), one O(3), one O(4), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra, and  a cornercorner with one Al(6)O4 tetrahedra. The Si(2)-O(10) bond length is 1.64 Å. The Si(2)-O(3) bond length is 1.64 Å. The Si(2)-O(4) bond length is 1.63 Å. The Si(2)-O(9) bond length is 1.65 Å. In the third Si site, Si(3) is bonded to one O(12), one O(14), one O(18), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(5)O5 square pyramid,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra, and  a cornercorner with one Al(4)O4 tetrahedra. The Si(3)-O(12) bond length is 1.66 Å. The Si(3)-O(14) bond length is 1.64 Å. The Si(3)-O(18) bond length is 1.62 Å. The Si(3)-O(8) bond length is 1.64 Å. In the fourth Si site, Si(4) is bonded to one O(11), one O(13), one O(17), and one O(7) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(5)O5 square pyramid,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra, and  a cornercorner with one Al(4)O4 tetrahedra. The Si(4)-O(11) bond length is 1.64 Å. The Si(4)-O(13) bond length is 1.65 Å. The Si(4)-O(17) bond length is 1.64 Å. The Si(4)-O(7) bond length is 1.64 Å. In the fifth Si site, Si(5) is bonded to one O(15), one O(16), one O(21), and one O(22) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra, and  a cornercorner with one Al(6)O4 tetrahedra. The Si(5)-O(15) bond length is 1.64 Å. The Si(5)-O(16) bond length is 1.65 Å. The Si(5)-O(21) bond length is 1.64 Å. The Si(5)-O(22) bond length is 1.63 Å. In the sixth Si site, Si(6) is bonded in a 5-coordinate geometry to one O(1), one O(20), one O(23), one O(26), and one O(6) atom. The Si(6)-O(1) bond length is 1.63 Å. The Si(6)-O(20) bond length is 2.02 Å. The Si(6)-O(23) bond length is 1.70 Å. The Si(6)-O(26) bond length is 1.62 Å. The Si(6)-O(6) bond length is 1.66 Å. N(1) is bonded in a 3-coordinate geometry to one Na(1), one O(27), and one O(30) atom. The N(1)-O(27) bond length is 1.27 Å. The N(1)-O(30) bond length is 1.27 Å. There are thirty inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Na(3), one Al(1), and one Si(6) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(4), one Al(6), and one Si(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one Na(1), one Al(1), and one Si(2) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Na(2), one Al(6), and one Si(2) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Na(1), one Na(4), one Al(2), and one Si(1) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Na(2), one Na(3), one Al(2), and one Si(6) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Na(1), one Na(3), one Al(2), and one Si(4) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Na(2), one Na(4), one Al(2), and one Si(3) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Na(3), one Al(4), and one Si(2) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Na(4), one Al(3), and one Si(2) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Na(1), one Al(3), and one Si(4) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Na(2), one Na(6), one Al(4), and one Si(3) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Na(7), one Al(4), and one Si(4) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to one Na(8), one Al(3), and one Si(3) atom. In the fifteenth O site, O(15) is bonded in a 3-coordinate geometry to one Na(5), one Al(3), and one Si(5) atom. In the sixteenth O site, O(16) is bonded in a 4-coordinate geometry to one Na(6), one Na(7), one Al(4), and one Si(5) atom. In the seventeenth O site, O(17) is bonded in a 3-coordinate geometry to one Na(5), one Al(5), and one Si(4) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one Na(6), one Al(5), and one Si(3) atom. In the nineteenth O site, O(19) is bonded in a distorted trigonal planar geometry to one Na(8), one Al(5), and one Si(1) atom. In the twentieth O site, O(20) is bonded in a 4-coordinate geometry to one Na(6), one Na(7), one Si(6), and one O(23) atom. The O(20)-O(23) bond length is 1.53 Å. In the twenty-first O site, O(21) is bonded in a 2-coordinate geometry to one Na(5), one Na(7), one Al(1), and one Si(5) atom. In the twenty-second O site, O(22) is bonded in a 3-coordinate geometry to one Na(6), one Na(8), one Al(6), and one Si(5) atom. In the twenty-third O site, O(23) is bonded in a 2-coordinate geometry to one Na(6), one Al(5), one Si(6), and one O(20) atom. In the twenty-fourth O site, O(24) is bonded in a distorted trigonal non-coplanar geometry to one Na(5), one Na(7), and one Al(5) atom. In the twenty-fifth O site, O(25) is bonded in a 4-coordinate geometry to one Na(1), one Na(5), one Al(1), and one Si(1) atom. In the twenty-sixth O site, O(26) is bonded in a 4-coordinate geometry to one Na(2), one Na(6), one Al(6), and one Si(6) atom. In the twenty-seventh O site, O(27) is bonded in a 3-coordinate geometry to one Na(2), one Na(4), and one N(1) atom. In the twenty-eighth O site, O(28) is bonded in a 3-coordinate geometry to one Na(3), one Na(7), and one O(29) atom. The O(28)-O(29) bond length is 1.25 Å. In the twenty-ninth O site, O(29) is bonded in a distorted water-like geometry to one Na(2) and one O(28) atom. In the thirtieth O site, O(30) is bonded in a 4-coordinate geometry to one Na(1), one Na(5), one Na(8), and one N(1) atom.