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Zur Massenspektrometrie von Metallkomplexen. Metallkomplexe von Corrinen und synthetischen Vorstufen
Author(s) -
Seibl J.
Publication year - 1968
Publication title -
organic mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.475
H-Index - 121
eISSN - 1096-9888
pISSN - 0030-493X
DOI - 10.1002/oms.1210010205
Subject(s) - chemistry , fragmentation (computing) , metal , valency , polymer chemistry , crystallography , organic chemistry , linguistics , philosophy , computer science , operating system
A variety of metal‐complexes with Corrin‐type macrocyclic ligands and synthetic precursors thereof are investigated by mass spectrometry. Analytical results are obtained from thermal reactions in the inlet system and from electron‐impact‐induced fragmentations. The former yield information concerning identity of small ligands in octahedral Co(III)‐complexes, of anions in complex‐salts and the possibility of thermal cyclisation of open ligands, the latter provide molecular weights, a means of type analysis and theoretically interesting modes of fragmentation. An unprecedented subsequent loss of up to seven methyl‐groups is observed. Different fragmentation‐mechanisms and the possible influence of metal‐valency‐changes and even‐ or odd‐electron‐ion‐features are discussed. Some of the metals like Zn and Na seem to be able to form different types of metal‐ligand‐bonds.