GASEOUS SODIUM AND CESIUM TELLURIDES - THEIR FRAGMENTATION-PATTERN ON ELECTRON-IMPACT IONIZATION

被引：0

作者：

HARTMANN, A ^{[1
]}

POTH, L ^{[1
]}

WEIL, KG ^{[1
]}

机构：

[1] TH DARMSTADT,INST PHYS CHEM,PETERSENSTR 20,W-6100 DARMSTADT,GERMANY

来源：

HIGH TEMPERATURE SCIENCE | 1991年 / 31卷 / 02期

关键词：

D O I：

暂无

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：

By using Knudsen effusion mass spectrometry, we could detect Zintl molecules of the compositions M2Te, M2Te2, M2Te3, M = Na, and Cs in the equilibrium vapor over alkali metal/tellurium mixtures. When an ionic structure is assumed, these particles contain the same tellurium ions or polyions as were observed in liquid ammonia by Zintl and coworkers. In addition, we found in the gas phase similar species that contain only one alkali metal atom. We determined ionization energies for all these molecules and were able to show that under electron impact, the first fragmentation reaction that occurs is always the abstraction of a neutral tellurium atom.

引用

页码：121 / 126

页数：6

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