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Tytuł:
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Systematic trends in photonic reagent induced reactions in a homologous chemical family.
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Autorzy:
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Tibbetts KM; Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States.
Xing X
Rabitz H
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Źródło:
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The journal of physical chemistry. A [J Phys Chem A] 2013 Aug 29; Vol. 117 (34), pp. 8205-15. Date of Electronic Publication: 2013 Aug 19.
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Typ publikacji:
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Journal Article
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Język:
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English
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Imprint Name(s):
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Original Publication: Washington, D.C. : American Chemical Society, c1997-
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Entry Date(s):
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Date Created: 20130806 Date Completed: 20140317 Latest Revision: 20130829
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Update Code:
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20240104
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DOI:
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10.1021/jp403824h
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PMID:
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23909915
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The growing use of ultrafast laser pulses to induce chemical reactions prompts consideration of these pulses as "photonic reagents" in analogy to chemical reagents. This work explores the prospect that photonic reagents may affect systematic trends in dissociative ionization reactions of a homologous family of halomethanes, much as systematic outcomes are often observed for reactions between homologous families of chemical reagents and chemical substrates. The experiments in this work with photonic reagents of varying pulse energy and linear spectral chirp reveal systematic correlations between observable ion yields and the following set of natural variables describing the substrate molecules: the ionization energy of the parent molecule, the appearance energy of each fragment ion, and the relative strength of carbon-halogen bonds in molecules containing two different halogens. The results suggest that reactions induced by photonic reagents exhibit systematic behavior analogous to that observed in reactions driven by chemical reagents, which provides a basis to consider empirical "rules" for predicting the outcomes of photonic reagent induced reactions.