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DIPOLE MOMENTS AND NON-COVALENT BONDING IN GAS PHASE MOLECULES VIA ROTATIONALLY RESOLVED ELECTRONIC SPECTROSCOPY: BEYOND THE RIGID ROTOR

Miller, Diane (2010) DIPOLE MOMENTS AND NON-COVALENT BONDING IN GAS PHASE MOLECULES VIA ROTATIONALLY RESOLVED ELECTRONIC SPECTROSCOPY: BEYOND THE RIGID ROTOR. Doctoral Dissertation, University of Pittsburgh. (Unpublished)

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Abstract

Size, shape and charge play important roles in both the structure and dynamics of molecules. One prime example of this is the protein folding problem. Here, we use rotationally resolved fluorescence excitation spectroscopy to probe these properties of small, gas-phase molecules. The structures and permanent electric dipole moments of several substituted benzenes have been determined in both their ground and excited electronic states, providing insight into the nature of molecular charge distribution and how it changes upon the absorption of UV light. Non-covalent interactions are also explored; studies performed on a molecule composed of a flexible tail attached to a rigid aromatic body reveal information about the strength and character of π-hydrogen bonding.


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Details

Item Type: University of Pittsburgh ETD
Status: Unpublished
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Miller, Dianemitchell.diane@gmail.com
ETD Committee:
TitleMemberEmail AddressPitt UsernameORCID
Committee ChairPratt, David Wpratt@pitt.eduPRATT
Committee MemberGrabowski, Joseph Jjoeg@pitt.eduJOEG
Committee MemberJordan, Kenneth Djordan@pitt.eduJORDAN
Committee MemberSteimle, Timothy CSteimle@asu.edu
Date: 30 September 2010
Date Type: Completion
Defense Date: 12 August 2010
Approval Date: 30 September 2010
Submission Date: 22 July 2010
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
Institution: University of Pittsburgh
Schools and Programs: Dietrich School of Arts and Sciences > Chemistry
Degree: PhD - Doctor of Philosophy
Thesis Type: Doctoral Dissertation
Refereed: Yes
Uncontrolled Keywords: 2-aminobenzonitrile; 3-aminobenzonitrile; 9-fluorenemethanol; dipole moment; electronic transition; excited state; internal rotation; p-aminobenzoic acid; rotationally resolved; pi-hydrogen bonding; tunneling splitting
Other ID: http://etd.library.pitt.edu/ETD/available/etd-07222010-152908/, etd-07222010-152908
Date Deposited: 10 Nov 2011 19:52
Last Modified: 15 Nov 2016 13:46
URI: http://d-scholarship.pitt.edu/id/eprint/8525

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