Photoelectron Spectroscopic and Theoretical Study of Aromatics−Pbm Anionic Complexes (Aromatics = C6H5, C5H4N, C4H3O, and C4H4N; m = 1−4): A Comparative Study
Citations Over Time
Abstract
The reactions between lead vapored by laser ablation and different aromatic molecules (C6H6, C5H5N, C4H4O, or C4H5N) seeded in argon carrier gas were studied by a reflectron time-of-flight mass spectrometer (RTOF-MS) with a photoelectron spectrometer. The adiabatic electron affinities (EAs) of the dominant anionic products PbmC6H5(-), Pb(m)C5H4N(-) (m = 1-4) and Pb(m)C4H3 (-), Pb(m)C4H4N(-) (m = 1-3) dehydrogenated complexes are obtained from the photoelectron spectra with 308 and 193 nm photon, respectively. It is found that the EAs of Pb(m)C4H4N are higher than those of Pb(m)C6H5, Pb(m)C5H4N, and Pb(m)C4H3O with the same metal number m. The possible structures for Pb(m)C4H4N(-) complexes were calculated with density functional theory (DFT) and the most stable structure was confirmed. The adiabatic detachment energies for the most stable structure were in agreement with the experimental PES results. The calculated density of state (DOS) agrees with the experimental PES spectrum well. It was confirmed by the theoretical calculations that the C4H4N group bonds on lead clusters through the Pb-N sigma bond.
Related Papers
- → Ideal velocity focusing in a reflectron time-of-flight mass spectrometer(1999)41 cited
- → Sequencing peptides without scanning the reflectron: Post‐source decay with a curved‐field reflectron time‐of‐flight mass spectrometer(1995)50 cited
- → A tandem reflectron time‐of‐flight mass spectrometer for the investigation of laser photofragmentation of molecular ions(1995)5 cited
- → Laser produced ions stored in a cylindrical ion trap and detected in a reflectron time-of-flight mass spectrometer(1994)23 cited
- → Petide Analysis to the Atomole Level Using a Curved-Field Reflectron MALDI-TOF Mass Spectrometer.(1998)5 cited