Na8Ga3Al3Si6(O12Cl)2 crystallizes in the trigonal R3 space group. There are four inequivalent Na sites. In the first Na site, Na(1) is bonded to three equivalent O(1) and one Cl(1) atom to form NaClO3 tetrahedra that share corners with three equivalent Na(2)ClO3 tetrahedra, corners with three equivalent Ga(1)O4 tetrahedra, and corners with three equivalent Si(1)O4 tetrahedra. In the second Na site, Na(2) is bonded to one O(2), one O(3), one O(4), and one Cl(1) atom to form NaClO3 tetrahedra that share  a cornercorner with one Na(1)ClO3 tetrahedra,  a cornercorner with one Ga(1)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra, corners with two equivalent Na(2)ClO3 tetrahedra, corners with two equivalent Al(1)O4 tetrahedra, and corners with two equivalent Si(2)O4 tetrahedra. In the third Na site, Na(3) is bonded to one O(5), one O(6), one O(7), and one Cl(2) atom to form NaClO3 tetrahedra that share  a cornercorner with one Na(4)ClO3 tetrahedra,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, corners with two equivalent Na(3)ClO3 tetrahedra, corners with two equivalent Ga(1)O4 tetrahedra, and corners with two equivalent Si(1)O4 tetrahedra. In the fourth Na site, Na(4) is bonded to three equivalent O(8) and one Cl(2) atom to form NaClO3 tetrahedra that share corners with three equivalent Na(3)ClO3 tetrahedra, corners with three equivalent Al(1)O4 tetrahedra, and corners with three equivalent Si(2)O4 tetrahedra. Ga(1) is bonded to one O(1), one O(4), one O(5), and one O(7) atom to form GaO4 tetrahedra that share  a cornercorner with one Na(1)ClO3 tetrahedra,  a cornercorner with one Na(2)ClO3 tetrahedra, corners with two equivalent Na(3)ClO3 tetrahedra, corners with two equivalent Si(1)O4 tetrahedra, and corners with two equivalent Si(2)O4 tetrahedra. Al(1) is bonded to one O(2), one O(3), one O(6), and one O(8) atom to form AlO4 tetrahedra that share  a cornercorner with one Na(3)ClO3 tetrahedra,  a cornercorner with one Na(4)ClO3 tetrahedra, corners with two equivalent Na(2)ClO3 tetrahedra, corners with two equivalent Si(1)O4 tetrahedra, and corners with two equivalent Si(2)O4 tetrahedra. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(2), one O(5), and one O(6) atom to form SiO4 tetrahedra that share  a cornercorner with one Na(1)ClO3 tetrahedra,  a cornercorner with one Na(2)ClO3 tetrahedra, corners with two equivalent Na(3)ClO3 tetrahedra, corners with two equivalent Ga(1)O4 tetrahedra, and corners with two equivalent Al(1)O4 tetrahedra. In the second Si site, Si(2) is bonded to one O(3), one O(4), one O(7), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Na(3)ClO3 tetrahedra,  a cornercorner with one Na(4)ClO3 tetrahedra, corners with two equivalent Na(2)ClO3 tetrahedra, corners with two equivalent Ga(1)O4 tetrahedra, and corners with two equivalent Al(1)O4 tetrahedra. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Na(1), one Ga(1), and one Si(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Na(2), one Al(1), and one Si(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Na(2), one Al(1), and one Si(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Na(2), one Ga(1), and one Si(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Na(3), one Ga(1), and one Si(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Na(3), one Al(1), and one Si(1) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Na(3), one Ga(1), and one Si(2) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Na(4), one Al(1), and one Si(2) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a tetrahedral geometry to one Na(1) and three equivalent Na(2) atoms. In the second Cl site, Cl(2) is bonded in a tetrahedral geometry to one Na(4) and three equivalent Na(3) atoms.
Na8Ga3Al3Si6(O12Cl)2 crystallizes in the trigonal R3 space group. There are four inequivalent Na sites. In the first Na site, Na(1) is bonded to three equivalent O(1) and one Cl(1) atom to form NaClO3 tetrahedra that share corners with three equivalent Na(2)ClO3 tetrahedra, corners with three equivalent Ga(1)O4 tetrahedra, and corners with three equivalent Si(1)O4 tetrahedra. All Na(1)-O(1) bond lengths are 2.34 Å. The Na(1)-Cl(1) bond length is 2.74 Å. In the second Na site, Na(2) is bonded to one O(2), one O(3), one O(4), and one Cl(1) atom to form NaClO3 tetrahedra that share  a cornercorner with one Na(1)ClO3 tetrahedra,  a cornercorner with one Ga(1)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra, corners with two equivalent Na(2)ClO3 tetrahedra, corners with two equivalent Al(1)O4 tetrahedra, and corners with two equivalent Si(2)O4 tetrahedra. The Na(2)-O(2) bond length is 2.37 Å. The Na(2)-O(3) bond length is 2.40 Å. The Na(2)-O(4) bond length is 2.31 Å. The Na(2)-Cl(1) bond length is 2.75 Å. In the third Na site, Na(3) is bonded to one O(5), one O(6), one O(7), and one Cl(2) atom to form NaClO3 tetrahedra that share  a cornercorner with one Na(4)ClO3 tetrahedra,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, corners with two equivalent Na(3)ClO3 tetrahedra, corners with two equivalent Ga(1)O4 tetrahedra, and corners with two equivalent Si(1)O4 tetrahedra. The Na(3)-O(5) bond length is 2.31 Å. The Na(3)-O(6) bond length is 2.40 Å. The Na(3)-O(7) bond length is 2.34 Å. The Na(3)-Cl(2) bond length is 2.75 Å. In the fourth Na site, Na(4) is bonded to three equivalent O(8) and one Cl(2) atom to form NaClO3 tetrahedra that share corners with three equivalent Na(3)ClO3 tetrahedra, corners with three equivalent Al(1)O4 tetrahedra, and corners with three equivalent Si(2)O4 tetrahedra. All Na(4)-O(8) bond lengths are 2.37 Å. The Na(4)-Cl(2) bond length is 2.75 Å. Ga(1) is bonded to one O(1), one O(4), one O(5), and one O(7) atom to form GaO4 tetrahedra that share  a cornercorner with one Na(1)ClO3 tetrahedra,  a cornercorner with one Na(2)ClO3 tetrahedra, corners with two equivalent Na(3)ClO3 tetrahedra, corners with two equivalent Si(1)O4 tetrahedra, and corners with two equivalent Si(2)O4 tetrahedra. The Ga(1)-O(1) bond length is 1.84 Å. The Ga(1)-O(4) bond length is 1.84 Å. The Ga(1)-O(5) bond length is 1.84 Å. The Ga(1)-O(7) bond length is 1.84 Å. Al(1) is bonded to one O(2), one O(3), one O(6), and one O(8) atom to form AlO4 tetrahedra that share  a cornercorner with one Na(3)ClO3 tetrahedra,  a cornercorner with one Na(4)ClO3 tetrahedra, corners with two equivalent Na(2)ClO3 tetrahedra, corners with two equivalent Si(1)O4 tetrahedra, and corners with two equivalent Si(2)O4 tetrahedra. The Al(1)-O(2) bond length is 1.76 Å. The Al(1)-O(3) bond length is 1.76 Å. The Al(1)-O(6) bond length is 1.77 Å. The Al(1)-O(8) bond length is 1.76 Å. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(2), one O(5), and one O(6) atom to form SiO4 tetrahedra that share  a cornercorner with one Na(1)ClO3 tetrahedra,  a cornercorner with one Na(2)ClO3 tetrahedra, corners with two equivalent Na(3)ClO3 tetrahedra, corners with two equivalent Ga(1)O4 tetrahedra, and corners with two equivalent Al(1)O4 tetrahedra. The Si(1)-O(1) bond length is 1.65 Å. The Si(1)-O(2) bond length is 1.64 Å. The Si(1)-O(5) bond length is 1.65 Å. The Si(1)-O(6) bond length is 1.64 Å. In the second Si site, Si(2) is bonded to one O(3), one O(4), one O(7), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Na(3)ClO3 tetrahedra,  a cornercorner with one Na(4)ClO3 tetrahedra, corners with two equivalent Na(2)ClO3 tetrahedra, corners with two equivalent Ga(1)O4 tetrahedra, and corners with two equivalent Al(1)O4 tetrahedra. The Si(2)-O(3) bond length is 1.64 Å. The Si(2)-O(4) bond length is 1.64 Å. The Si(2)-O(7) bond length is 1.64 Å. The Si(2)-O(8) bond length is 1.64 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Na(1), one Ga(1), and one Si(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Na(2), one Al(1), and one Si(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Na(2), one Al(1), and one Si(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Na(2), one Ga(1), and one Si(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Na(3), one Ga(1), and one Si(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Na(3), one Al(1), and one Si(1) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Na(3), one Ga(1), and one Si(2) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Na(4), one Al(1), and one Si(2) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a tetrahedral geometry to one Na(1) and three equivalent Na(2) atoms. In the second Cl site, Cl(2) is bonded in a tetrahedral geometry to one Na(4) and three equivalent Na(3) atoms.