Baskin, J. Spencer and Zewail, Ahmed H. (2001) Molecular Structure and Orientation: Concepts from Femtosecond Dynamics. Journal of Physical Chemistry A, 105 (15). pp. 3680-3692. ISSN 1089-5639. doi:10.1021/jp004525p. https://resolver.caltech.edu/CaltechAUTHORS:20160819-112042791
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Abstract
In this article, we are concerned with the basic concepts of molecular orientation, its dynamics on the femtosecond and picosecond time scales, and the direct relationship of the foregoing to determination of molecular structures. Our aim is to present a unified picture for the dynamics in different phases: coherent inertial in isolated molecules, partially coherent in dense fluids, and reaching the diffusive limit in liquids. We compare theory and experiment for reactive and nonreactive systems, with examples of studies from this laboratory in molecular beams, dense fluids, liquids, proteins, and micelles. We discuss the high precision achieved in molecular structural determination for large isolated molecules. Important to molecular orientation in space is the time scale, and we present here the two limits: quantum-state orientation (long time or continuous wave experiment) and classical-like orientation achieved with femtosecond resolution.
| Item Type: | Article | |||||||||
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| Additional Information: | © 2001 American Chemical Society. Received: December 18, 2000; In Final Form: February 7, 2001. Publication Date (Web): March 27, 2001. This research was supported by the National Science Foundation and Air Force Office of Scientific Research. | |||||||||
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| Issue or Number: | 15 | |||||||||
| DOI: | 10.1021/jp004525p | |||||||||
| Record Number: | CaltechAUTHORS:20160819-112042791 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20160819-112042791 | |||||||||
| Official Citation: | Molecular Structure and Orientation: Concepts from Femtosecond Dynamics J. Spencer Baskin and Ahmed H. Zewail The Journal of Physical Chemistry A 2001 105 (15), 3680-3692 DOI: 10.1021/jp004525p | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 69789 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 22 Aug 2016 23:57 | |||||||||
| Last Modified: | 11 Nov 2021 04:19 |
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