Na4BeAlSi4O12Cl crystallizes in the monoclinic Cc space group. There are four inequivalent Na sites. In the first Na site, Na(1) is bonded to one O(1), one O(5), one O(9), and one Cl(1) atom to form distorted NaClO3 tetrahedra that share  a cornercorner with one Na(3)ClO3 tetrahedra,  a cornercorner with one Na(4)ClO3 tetrahedra,  a cornercorner with one Be(1)O4 tetrahedra,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, and  a cornercorner with one Si(4)O4 tetrahedra. In the second Na site, Na(2) is bonded in a 4-coordinate geometry to one O(12), one O(2), one O(6), and one Cl(1) atom. In the third Na site, Na(3) is bonded to one O(3), one O(4), one O(8), and one Cl(1) atom to form NaClO3 tetrahedra that share  a cornercorner with one Na(1)ClO3 tetrahedra,  a cornercorner with one Na(4)ClO3 tetrahedra,  a cornercorner with one Be(1)O4 tetrahedra,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, and  a cornercorner with one Si(4)O4 tetrahedra. In the fourth Na site, Na(4) is bonded to one O(10), one O(11), one O(7), and one Cl(1) atom to form distorted NaClO3 tetrahedra that share  a cornercorner with one Na(1)ClO3 tetrahedra,  a cornercorner with one Na(3)ClO3 tetrahedra,  a cornercorner with one Be(1)O4 tetrahedra,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, and corners with two equivalent Si(3)O4 tetrahedra. Be(1) is bonded to one O(3), one O(5), one O(6), and one O(7) atom to form BeO4 tetrahedra that share  a cornercorner with one Na(1)ClO3 tetrahedra,  a cornercorner with one Na(3)ClO3 tetrahedra,  a cornercorner with one Na(4)ClO3 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, and  a cornercorner with one Si(4)O4 tetrahedra. Al(1) is bonded to one O(10), one O(12), one O(8), and one O(9) atom to form AlO4 tetrahedra that share  a cornercorner with one Na(1)ClO3 tetrahedra,  a cornercorner with one Na(3)ClO3 tetrahedra,  a cornercorner with one Na(4)ClO3 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, and  a cornercorner with one Si(4)O4 tetrahedra. There are four inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(12), one O(2), one O(4), and one O(5) atom to form SiO4 tetrahedra that share  a cornercorner with one Na(1)ClO3 tetrahedra,  a cornercorner with one Na(3)ClO3 tetrahedra,  a cornercorner with one Be(1)O4 tetrahedra,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, and  a cornercorner with one Si(4)O4 tetrahedra. In the second Si site, Si(2) is bonded to one O(1), one O(10), one O(2), and one O(3) atom to form SiO4 tetrahedra that share  a cornercorner with one Na(1)ClO3 tetrahedra,  a cornercorner with one Na(3)ClO3 tetrahedra,  a cornercorner with one Na(4)ClO3 tetrahedra,  a cornercorner with one Be(1)O4 tetrahedra,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra, and  a cornercorner with one Si(3)O4 tetrahedra. In the third Si site, Si(3) is bonded to one O(1), one O(11), one O(7), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Na(1)ClO3 tetrahedra,  a cornercorner with one Na(3)ClO3 tetrahedra,  a cornercorner with one Be(1)O4 tetrahedra,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, and corners with two equivalent Na(4)ClO3 tetrahedra. In the fourth Si site, Si(4) is bonded to one O(11), one O(4), one O(6), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Na(1)ClO3 tetrahedra,  a cornercorner with one Na(3)ClO3 tetrahedra,  a cornercorner with one Na(4)ClO3 tetrahedra,  a cornercorner with one Be(1)O4 tetrahedra,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra, and  a cornercorner with one Si(3)O4 tetrahedra. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Na(1), one Si(2), and one Si(3) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(2), one Si(1), and one Si(2) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Na(3), one Be(1), and one Si(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Na(3), one Si(1), and one Si(4) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Na(1), one Be(1), and one Si(1) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Na(2), one Be(1), and one Si(4) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Na(4), one Be(1), and one Si(3) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Na(3), one Al(1), and one Si(3) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Na(1), one Al(1), and one Si(4) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Na(4), one Al(1), and one Si(2) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Na(4), one Si(3), and one Si(4) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Na(2), one Al(1), and one Si(1) atom. Cl(1) is bonded in a tetrahedral geometry to one Na(1), one Na(2), one Na(3), and one Na(4) atom.
Na4BeAlSi4O12Cl crystallizes in the monoclinic Cc space group. There are four inequivalent Na sites. In the first Na site, Na(1) is bonded to one O(1), one O(5), one O(9), and one Cl(1) atom to form distorted NaClO3 tetrahedra that share  a cornercorner with one Na(3)ClO3 tetrahedra,  a cornercorner with one Na(4)ClO3 tetrahedra,  a cornercorner with one Be(1)O4 tetrahedra,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, and  a cornercorner with one Si(4)O4 tetrahedra. The Na(1)-O(1) bond length is 2.47 Å. The Na(1)-O(5) bond length is 2.36 Å. The Na(1)-O(9) bond length is 2.48 Å. The Na(1)-Cl(1) bond length is 2.86 Å. In the second Na site, Na(2) is bonded in a 4-coordinate geometry to one O(12), one O(2), one O(6), and one Cl(1) atom. The Na(2)-O(12) bond length is 2.49 Å. The Na(2)-O(2) bond length is 2.53 Å. The Na(2)-O(6) bond length is 2.33 Å. The Na(2)-Cl(1) bond length is 2.87 Å. In the third Na site, Na(3) is bonded to one O(3), one O(4), one O(8), and one Cl(1) atom to form NaClO3 tetrahedra that share  a cornercorner with one Na(1)ClO3 tetrahedra,  a cornercorner with one Na(4)ClO3 tetrahedra,  a cornercorner with one Be(1)O4 tetrahedra,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, and  a cornercorner with one Si(4)O4 tetrahedra. The Na(3)-O(3) bond length is 2.35 Å. The Na(3)-O(4) bond length is 2.57 Å. The Na(3)-O(8) bond length is 2.42 Å. The Na(3)-Cl(1) bond length is 2.84 Å. In the fourth Na site, Na(4) is bonded to one O(10), one O(11), one O(7), and one Cl(1) atom to form distorted NaClO3 tetrahedra that share  a cornercorner with one Na(1)ClO3 tetrahedra,  a cornercorner with one Na(3)ClO3 tetrahedra,  a cornercorner with one Be(1)O4 tetrahedra,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, and corners with two equivalent Si(3)O4 tetrahedra. The Na(4)-O(10) bond length is 2.49 Å. The Na(4)-O(11) bond length is 2.48 Å. The Na(4)-O(7) bond length is 2.33 Å. The Na(4)-Cl(1) bond length is 2.85 Å. Be(1) is bonded to one O(3), one O(5), one O(6), and one O(7) atom to form BeO4 tetrahedra that share  a cornercorner with one Na(1)ClO3 tetrahedra,  a cornercorner with one Na(3)ClO3 tetrahedra,  a cornercorner with one Na(4)ClO3 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, and  a cornercorner with one Si(4)O4 tetrahedra. The Be(1)-O(3) bond length is 1.64 Å. The Be(1)-O(5) bond length is 1.64 Å. The Be(1)-O(6) bond length is 1.64 Å. The Be(1)-O(7) bond length is 1.64 Å. Al(1) is bonded to one O(10), one O(12), one O(8), and one O(9) atom to form AlO4 tetrahedra that share  a cornercorner with one Na(1)ClO3 tetrahedra,  a cornercorner with one Na(3)ClO3 tetrahedra,  a cornercorner with one Na(4)ClO3 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, and  a cornercorner with one Si(4)O4 tetrahedra. The Al(1)-O(10) bond length is 1.75 Å. The Al(1)-O(12) bond length is 1.75 Å. The Al(1)-O(8) bond length is 1.75 Å. The Al(1)-O(9) bond length is 1.75 Å. There are four inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(12), one O(2), one O(4), and one O(5) atom to form SiO4 tetrahedra that share  a cornercorner with one Na(1)ClO3 tetrahedra,  a cornercorner with one Na(3)ClO3 tetrahedra,  a cornercorner with one Be(1)O4 tetrahedra,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra, and  a cornercorner with one Si(4)O4 tetrahedra. The Si(1)-O(12) bond length is 1.63 Å. The Si(1)-O(2) bond length is 1.66 Å. The Si(1)-O(4) bond length is 1.66 Å. The Si(1)-O(5) bond length is 1.60 Å. In the second Si site, Si(2) is bonded to one O(1), one O(10), one O(2), and one O(3) atom to form SiO4 tetrahedra that share  a cornercorner with one Na(1)ClO3 tetrahedra,  a cornercorner with one Na(3)ClO3 tetrahedra,  a cornercorner with one Na(4)ClO3 tetrahedra,  a cornercorner with one Be(1)O4 tetrahedra,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra, and  a cornercorner with one Si(3)O4 tetrahedra. The Si(2)-O(1) bond length is 1.66 Å. The Si(2)-O(10) bond length is 1.63 Å. The Si(2)-O(2) bond length is 1.65 Å. The Si(2)-O(3) bond length is 1.60 Å. In the third Si site, Si(3) is bonded to one O(1), one O(11), one O(7), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Na(1)ClO3 tetrahedra,  a cornercorner with one Na(3)ClO3 tetrahedra,  a cornercorner with one Be(1)O4 tetrahedra,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, and corners with two equivalent Na(4)ClO3 tetrahedra. The Si(3)-O(1) bond length is 1.66 Å. The Si(3)-O(11) bond length is 1.65 Å. The Si(3)-O(7) bond length is 1.60 Å. The Si(3)-O(8) bond length is 1.63 Å. In the fourth Si site, Si(4) is bonded to one O(11), one O(4), one O(6), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Na(1)ClO3 tetrahedra,  a cornercorner with one Na(3)ClO3 tetrahedra,  a cornercorner with one Na(4)ClO3 tetrahedra,  a cornercorner with one Be(1)O4 tetrahedra,  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Si(1)O4 tetrahedra, and  a cornercorner with one Si(3)O4 tetrahedra. The Si(4)-O(11) bond length is 1.66 Å. The Si(4)-O(4) bond length is 1.66 Å. The Si(4)-O(6) bond length is 1.60 Å. The Si(4)-O(9) bond length is 1.63 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Na(1), one Si(2), and one Si(3) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(2), one Si(1), and one Si(2) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Na(3), one Be(1), and one Si(2) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Na(3), one Si(1), and one Si(4) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Na(1), one Be(1), and one Si(1) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Na(2), one Be(1), and one Si(4) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Na(4), one Be(1), and one Si(3) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Na(3), one Al(1), and one Si(3) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Na(1), one Al(1), and one Si(4) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Na(4), one Al(1), and one Si(2) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Na(4), one Si(3), and one Si(4) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Na(2), one Al(1), and one Si(1) atom. Cl(1) is bonded in a tetrahedral geometry to one Na(1), one Na(2), one Na(3), and one Na(4) atom.