INFRARED SPECTROSCOPIC STUDY OF THE INTERACTION OF CATIONS IN ZEOLITES WITH SIMPLE MOLECULAR PROBES .3. ADSORPTION AND POLARIZATION OF METHANE AND ETHANE ON CATIONIC FORMS OF HIGH-SILICA ZEOLITES

被引：40

作者：

KHODAKOV, AY ^{[1
]}

KUSTOV, LM ^{[1
]}

KAZANSKY, VB ^{[1
]}

WILLIAMS, C ^{[1
]}

机构：

[1] RUSSIAN ACAD SCI,ND ZELINSKY INST ORGAN CHEM,MOSCOW,RUSSIA

来源：

JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1993年 / 89卷 / 09期

关键词：

D O I：

10.1039/ft9938901393

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Adsorption of methane and ethane as molecular probes on cationic forms of high-silica zeolites has been investigated by diffuse reflectance infrared spectroscopy. In addition to physically adsorbed species of the alkanes, molecules perturbed via an interaction with the cations were observed. Such a polarization results in a low-frequency shift of the antisymmetric stretching vibrations of methane molecules. A linear correlation was found between the extent of CH4 polarization and the electrostatic field of the cation.

引用

页码：1393 / 1395

页数：3

共 10 条

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[No title captured]

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