Synthesis and structure of a novel large-pore microporous magnesium-containing aluminophosphate (DAF-1)

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Abstract
Mg o.22Al o.78P04· 0.12(C16H38N2)-xH20 crystallizes during hydrothermal synthesis into a unique extended three-dimensional (3-D) tetrahedrally-coordinated framework structure possessing two parallel channel systems with approximately circular aperture openings of ca. 6.1 and 7.5 Å reapectively, the latter of which contains supercages 16.3 Å in diameter; these large pores are linked perpendicularly by two types of interconnecting apertures, the minimum diameter of one of which is ca. 3.9 and that of the other 5.4 Å