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Molecular recognition of organic guest vapor by solid adamantylcalix[4]arene |
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| Authors: | Gorbatchuk V V Savelyeva L S Ziganshin M A Antipin I S Sidorov V A |
| Institution: | (1) Department of Chemistry, Kazan State University, 18 ul. Kremlevskaya, 420008 Kazan, Russian Federation;(2) A. E. Arbuzov Institiute of Organic and Physical Chemistry, Kazan Scientific Center of the Russian Academy of Sciences, 8 ul. Akad. Arbuzova, 420088 Kazan, Russian Federation;(3) Department of Chemistry, Virginia Commonwealth University, Richmond, VA 23284, USA |
| Abstract: | A series of inclusion compounds prepared by saturation of the solid adamantyl4]calixarene (host 1) with vaporous organic guests at 298 K was studied by thermal gravimetry and static headspace GC analyses. The sorption isotherms of guests by host 1, the stoichiometry of the guest—host inclusion compounds, and the Gibbs energies of their formation were determined. The data obtained give evidence of the molecular recognition of the guest shape by host 1. Hence, compound 1 can be used in sensors for recognizing volatile organic compounds with no strong hydrogen or donor-acceptor bonds involved. |
| Keywords: | adamantylcalix[4]arene host— guest inclusion compounds clathrates thermogravimetry headspace gas-chromatographic analysis sorption isotherms |
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