A study of the Rydberg states of furan (C4H4O) and deuterated furan (C4D4O) using mass-resolved (2 + 1) and (3 + 1) resonance enhanced multiphoton ionization
Literature Information
Trevor Ridley, Kenneth P. Lawley, Robert J. Donovan
A combination of (i) two- and three-photon resonance enhanced multiphoton ionization techniques with linear and circular polarization, (ii) a comparison with the single-photon absorption spectrum and (iii) isotopic substitution has been used to study the Rydberg states of furan (C4H4O). The three X[2A2]c;3p states have been unambiguously assigned from the identification of the promoting modes involved in the strong false origins observed in the two-photon spectrum. The frequencies of the A1 vibrational modes of the ion-core that are Franck–Condon active are reported. The l values of the higher Rydberg states are assigned from their quantum defects and a comparison of the single-, two- and three-photon spectra, up to the ionization limit, reveals a strong propensity for excitation of d series with two photons and p and f series with one and three photons.
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Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.












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