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2006•Journal of Zunyi Normal CollegeRequires access

Determining the Ratio of Cucurbit[n]urils Inclusion Complexes with the Method of Equivalent Molarity

Zeng Qi-hua

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Abstract

The availability of determining the ratio of cucurbit[n]urils inclusion complexes with the equivalent molarity was discussed. The interaction between cucurbit[n=7,8]urils and aminonaphthalene isomers (α-aminonaphthalene q1 and β-aminonaphthalene q2) was studied by using UV spectroscopy and fluorescence spectrophotometry. The experimental results showed that the aminonaphthalene isomers(q1 and q2) as molecular guests were bound in the cavity of Q[7] in a ratio of 1:1 while Q[8] bound with ql or q2 formed a inclusion complex in ratio of 1:2. The method of equivalent molarity is better than the method of molarity ratio in the results.

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What this paper is about

The availability of determining the ratio of cucurbit[n]urils inclusion complexes with the equivalent molarity was discussed. The interaction between cucurbit[n=7,8]urils and aminonaphthalene isomers (α-aminonaphthalene q1 and β-aminonaphthalene q2) was studied by using UV spectroscopy and fluorescence spectrophotometry. The experimental results showed that the aminonaphthalene isomers(q1 and q2) as molecular guests were bound in the cavity of Q[7] in a ratio of 1:1 while Q[8] bound with ql or q2 formed a inclusion complex in ratio of 1:2. The method of equivalent molarity is better than the method of molarity ratio in the results.

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Available abstract

The availability of determining the ratio of cucurbit[n]urils inclusion complexes with the equivalent molarity was discussed. The interaction between cucurbit[n=7,8]urils and aminonaphthalene isomers (α-aminonaphthalene q1 and β-aminonaphthalene q2) was studied by using UV spectroscopy and fluorescence spectrophotometry. The experimental results showed that the aminonaphthalene isomers(q1 and q2) as molecular guests were bound in the cavity of Q[7] in a ratio of 1:1 while Q[8] bound with ql or q2 formed a inclusion complex in ratio of 1:2. The method of equivalent molarity is better than the method of molarity ratio in the results.

Key concepts: Molar ratio, Molar concentration, Inclusion (mineral), Fluorescence, Chemistry, Molecule, Crystallography, Analytical Chemistry (journal)

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