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Topic Area: Chemical Physics
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Displaying records 1 to 10 of 29 records.
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1. 34S16O2: High Resolution analysis of the (030), (101), (111), (002) and (201) vibrational states; Determination of equilibrium rotational constants for sulfur dioxide.
Topic: Chemical Physics
Published: 10/12/2009
Authors: Walter Joseph Lafferty, Jean-Marie Flaud
Abstract: High resolution Fourier transform spectra of a sample of sulfur dioxide enriched in 34S (95.3%). have been completely analyzed leading to a large set of assigned lines. The experimental levels derived from this set of transitions have been fit to wi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=842490

2. A Microwave Study of Hydrogen-Transfer-Triggered Methyl-Group Rotation in 5-Methyltropolone
Topic: Chemical Physics
Published: 11/10/2010
Authors: Vadim V. Ilyushin, Emily A. Cloessner, Yung-Ching Chou, Laura B. Picraux, Jon Torger Hougen, Richard Lavrich
Abstract: We present here the first experimental and theoretical study of the microwave spectrum of 5-methyltropolone, which can be visualized as a 7-membered aromatic carbon ring with a five-membered hydrogen-bonded cyclic structure at the top and a methyl ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903562

3. Analysis and fit of the high-resolution spectrum of the A 1A u X 1A g LIF spectrum of the two-equivalent-top molecule biacetyl
Topic: Chemical Physics
Published: 4/23/2009
Author: Jon Torger Hougen
Abstract: Abstract The laser-induced visible fluorescence excitation spectrum of the à 1Au (S1) - X̃ 1Ag (S0) transition in biacetyl (CH3-C(=O)-C(=O)-CH3) exhibits a long progression in the torsional vibrations of the two equivalent methyl tops in this ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=901390

4. Classical over-the-barrier model for neutralization of highly charged ions above thin dielectric films
Topic: Chemical Physics
Published: 6/3/2013
Authors: Joshua M Pomeroy, Russell Lake, C E Sosolik
Abstract: We apply the classical over-the-barrier model (COB) to charge transfer between highly charged ions (HCIs)and targets consisting of thin dielectric films on metals. Distances for the onset of classically allowed above surface electron capture are ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912480

5. Conformational Effects on Excitonic Interactions in a Prototypical H-bonded Bichromophore: Bis(2-hydroxyphenyl)methane
Topic: Chemical Physics
Published: 4/30/2009
Authors: David F Plusquellic, Nathan Pillsbury, Christian Mueller, Timothy Zwier
Abstract: Laser induced fluorescence (LIF), single vibronic level fluorescence, UV holeburning, and fluorescence-dip infrared (FDIR) spectroscopy have been carried out on bis-(2-hydroxyphenyl)methane (2HDPM) in order to characterize the ground and first excite ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=901215

6. Control of Condensed Phase Molecular Excitation With Intense Infrared and Visible Chipped Pulses
Topic: Chemical Physics
Published: 10/21/1998
Authors: V D Kleiman, Edwin J Heilweil, D McMorrow, Joseph S Melinger
Abstract: Chirped ultrafast laser pulses in the mid-Infrared and visible are used to experimentally control population transfer in condensed-phase systems and molecules.
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841321

7. Dual frequency combs at 3.4 µm with subhertz residual linewidths
Topic: Chemical Physics
Published: 5/1/2010
Authors: Esther Baumann, Fabrizio Raphael Giorgetta, Ian R Coddington, William C Swann, Nathan Reynolds Newbury
Abstract: Two coherent 1.5-µm frequency combs are transferred to 3.4 µm by difference frequency generation with a 1064 nm cw laser. From a multi-heterodyne measurement, the residual linewidth between the comb teeth is resolution-limited at 200 mHz.
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904566

8. Extension of the Steele 10-4-3 Potential for Adsorption Calculations in Cylindrical, Spherical, and Other Pore Geometries
Topic: Chemical Physics
Published: 8/25/2011
Authors: Daniel W Siderius, Lev D Gelb
Abstract: In this Letter we reinterpret the widely-used Steele 10-4-3 potential for a gas molecule interacting with a planar surface, and derive analogous potentials for adsorption in cylindrical and spherical pores. These new potentials correctly recover the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908520

9. High resolution analysis of the 26 and 2 9 9 bands of propane
Topic: Chemical Physics
Published: 5/8/2006
Authors: Jean-Marie Flaud, Walter Joseph Lafferty, F. Kwabia Tchana
Abstract: Using high-resolution Fourier transform spectra of propane recorded in the 13.4 μm (resolution of 0.002 cm-1) and in the 27.4 μm (resolution 0.0011 cm-1) spectral regions, it was possible to perform a thorough assignment of both the ν ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903598

10. Hot-Electron Femtochemistry at Surfaces: On the Role of Multiple Electron Processes in Desorption
Topic: Chemical Physics
Published: 1/1/2000
Author: John William Gadzuk
Abstract: Aspects of molecular processes at surfaces due to sub-ps laser pulses of visible light are discussed here. Within the limits of the standard two-temperature model describing the temporatl evolution of fs laser-excited substrate electrons, a theoreti ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=831120



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