ELECTRON-IMPACT (EI) AND FAST-ATOM-BOMBARDMENT (FAB) MASS-SPECTRA OF COORDINATION-COMPLEXES - AGGREGATION PROCESSES IN THE MASS-SPECTRA OF METAL DERIVATIVES OF 1,2,3,4,5-PENTAKIS-(METHOXYCARBONYL)CYCLOPENTADIENE

被引：3

作者：

BRUCE, MI

LIDDELL, MJ

机构：

[1] Jordan Laboratories, Department of Physical and Inorganic Chemistry, University of Adelaide, Aldelaide

来源：

INORGANICA CHIMICA ACTA | 1992年 / 198卷

关键词：

D O I：

10.1016/S0020-1693(00)92383-1

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The mass spectra of HC5(CO2Me)5 [H(cpp)] and several of its metal derivatives have been studied. In the EI mass spectra of alkali metal salts, aggregate ions [m2(cpp)]+ were observed. The abundance of these and higher oligomers is increased in FAB mass spectra, ions containing up to seven (negative ion) or eight (positive ion) metal atoms being found. Fragmentation patterns were established for the diene and Ru(eta-C5H5){eta-5-C5(CO2Me)5} by high resolution EI measurements. Unusual replacement of CO2Me by H (by loss of CO + CH2O) occurred in the latter, eventually to give [Ru(C5H3)(CH5)]+.

引用

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页码：407 / 413

页数：7

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