Estimation of the free energy of the supramolecular effect on host-guest complex formation between solid tert-butylcalix[4]arene and vapors of organic compounds

被引：20

作者：

Gorbatchuk, VV ^{[1
]}

Tsifarkin, AG ^{[1
]}

Antipin, IS ^{[1
]}

Solomonov, BN ^{[1
]}

Konovalov, AI ^{[1
]}

机构：

[1] Kazan State Univ, Dept Chem, Kazan 420008, Russia

来源：

JOURNAL OF INCLUSION PHENOMENA AND MACROCYCLIC CHEMISTRY | 1999年 / 35卷 / 1-2期

关键词：

vapor sorption isotherms; headspace gas chromatographic analysis; solid macrocyclic calixarene; thermodynamics of molecular recognition;

D O I：

10.1023/A:1008136124183

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The free energy of the supramolecular effect was estimated by the difference of the free energy of the solid host-guest complex formation between the vapor guest and the solid tert-butylcalix[4]arene (1) and the free energy of the guest solvation in toluene. These thermodynamic parameters were obtained from the vapor sorption isotherms of the guests with various molecular structure by solid 1 and limiting activity coefficients of the guests in toluene determined by headspace gas chromatographic analysis. The supramolecular effect was found to decrease slightly with the increase of the guest molecular size.

引用

页码：389 / 396

页数：8

共 17 条

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