Dissociation reactions of free tetrapyridinium tetracations and of their catenanes

Abstract

Electrospray ionization can be used for the generation of the free cyclophane tetracations, which are long-lived in the gas phase.

Keywords

• multiply-charged ions
• harmonic vibrational frequencies
• collision-induced dissociation
• tandem mass-spectrometry
• gas-phase
• photoelectron-spectroscopy
• infrared-spectroscopy
• scale factors
• metal-ions
• density