Abstract
Differential thermal analysis and high-resolution solid state 13C CP-MAS n.m.r. studies of EU-1 zeolite containing dibenzyldimethylammonium ion reveal that three to four molecules of the organic cation per unit cell are present, and chemically intact, in the zeolite. A configuration of the organic ions in which the phenyl rings are located inside the side pockets seems plausible. An apparent fit between the configuration of the guest organic molecule and the shape of the intracrystalline void in the zeolite suggests a templating role for the former.
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