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High Resolution Mass Spectroscopy of ionically bound Complexes

High Resolution Mass Spectroscopy of ionically bound Complexes
Contact:

Patrick Weis / Ulrike Schwarz

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Under the appropriate conditions, electrospray ionization (and nano-ESI) can be used to generate gas phase complexes of charged species sprayed from polar solutions - typically together with the corresponding counter ions in the form of ionically bound complexes. We use an Orbitrap mass spectrometer to perform both high mass resolution measurements of molecular composition as well as studies of collision induced dissociation -  yielding information on structure and bonding. Additionally, we are exploring the effects of charge transfer reagents on the stability and dissociation dynamics of such species. One area of present interest comprises complexes of metal phthalocyanines and porphyrins.