Infrared spectroscopy of the Li+(H2O)Ar complex: the role of internal energy and its dependence on ion preparation

Literature Information

Publication Date 2006-06-01
DOI 10.1039/B605442K
Impact Factor 3.676
Authors

Timothy D. Vaden, James M. Lisy, Prosser D. Carnegie, E. Dinesh Pillai, Michael A. Duncan


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Abstract

The internal energy or effective temperature of cluster ions has become an important issue in characterizing the structures observed in these species. This report considers the role played by the method of ion preparation (laser vaporization—supersonic expansion versus ion impact—evaporative cooling) in governing the internal energy of a specific species, Li+(H2O)Ar. Vibrational predissociation spectroscopy of the O–H stretch modes revealed rotational features, which were used to characterize the structure and effective rotational temperature of the cluster ion. In addition, the impact of the lithium ion on the H2O molecule was analyzed in terms of the vibrational frequency shifts, relative IR intensities, and H2O geometry.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
Articles per Year: 3036

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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