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- Title
Temperature and energy dependences of ion–molecule reactions: Studies inspired by Diethard Böhme.
- Authors
Viggiano, Albert A.; Ard, Shaun G.; Shuman, Nicholas S.
- Abstract
Diethard Böhme has had a long career covering many topics in ion‐molecule reactivity. In this review, we describe the work done at the Air Force Research Laboratory (and its variously named preceding organizations) that was inspired by his studies. These fall into two main areas: nucleophilic displacement (SN2) and metal cation chemistry. In SN2 chemistry, we revisited many of the reactions Diethard pioneered and studied them in more detail. We found nonstatistical behavior, both competition and noncompetition between multiple channels. New channels were found as hydration occurred, with more solution‐like behavior occurring as only a few ligands were added. Temperature‐dependent studies revealed details that were not observable at room temperature. These and other highlights will be discussed. In metal cation reactions, Diethard's use of an inductively coupled ion source allowed him to systematically study the periodic table of elements with a number of simple neutrals. We have taken the most interesting of these and studied them in greater detail. In doing so, we were able to identify curve crossing rates, in a few instances information about product states, and the importance of multiple entrance channels.
- Subjects
AIR Force Research Laboratory (Edwards Air Force Base, Calif.); ION-molecule collisions; PERIODIC table of the elements; PLASMA chemistry; ION sources; INDUCTIVELY coupled plasma atomic emission spectrometry; TEMPERATURE; AIR forces; HYDRATION
- Publication
Mass Spectrometry Reviews, 2022, Vol 41, Issue 4, p568
- ISSN
0277-7037
- Publication type
Article
- DOI
10.1002/mas.21700