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The first IR spectrum of a perfluorinated carbanion has been obtained in the gas phase by IRMPD spectroscopy. Quantum chemical calculations at the MP2/cc-pVTZ level were performed yielding the optimized geometries and IR spectra for a covalently bound C 2 F 5− species and for conceivable loosely bound F − (C 2 F 4 ) complexes. Both the computational results...
The vibrational spectrum of isolated protonated ciprofloxacin was recorded in the range 1100–2000cm −1 by means of infrared multiple photon dissociation (IRMPD) spectroscopy. The spectrum was obtained by electrospraying a methanol solution of ciprofloxacin in a Paul ion trap, coupled to the tunable IR radiation of a free electron laser. This spectroscopic study has been complemented by quantum...
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