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Author: jon hougen

Displaying records 21 to 30 of 88 records.
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21. Internal Rotation and Spin Conversion of CH^d3^OH in Solid Para-Hydrogen
Published: 1/20/2006
Authors: Y J Wu, R M Lees, L H Xu, Jon Torger Hougen, Yuan-Pern Lee
Abstract: The quantum solid para-hydrogen (p-H2) has recently emerged as a novel host for matrix-isolation spectroscopy; species isolated in p-H2 exhibit spectral lines with widths much smaller than for samples in other inert-gas matrices, and several species ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=840991

22. Electronic Spectra of Molecules with Two C^d3v^ Internal Rotors: Torsional Analysis of the A^u1^A^du-^X^u1^A^dg^ Spectrum of Biacetyl
Published: 9/1/2005
Authors: Cheng-Liang Huang, Chen-Lin Liu, Chi-Kung Ni, Jon Torger Hougen
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841858

23. The Rotational Spectrum of the Ground State of Methylamine
Published: 2/1/2005
Authors: Vadim V Ilyushin, E A Alekseev, S F Dyubkoa, R A Motiyenkoa, Jon Torger Hougen
Abstract: Recent progress is reported in measuring, assigning and fitting the rotational spectrum of the ground vibrational state of methylamine, CH3NH2, a spectrum complicated both by internal rotation of the methyl top and by inversion of the amino group. N ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841817

24. Ground and First Excited Torsional States of Acetamide
Published: 10/1/2004
Authors: Vadim V Ilyushin, E A Alekseev, S K Dyubko, I Kleiner, Jon Torger Hougen
Abstract: Recent progress in measuring, assigning and fitting the millimeter wave spectrum of the ground, first and second excited torsional states of the acetamide molecule CH3CONH2 is reported. New measurements of the acetamide spectrum have been carried out ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841797

25. Analysis and Fit of the Fourier-Transform Microwave Spectrum of the Two-Top Molecule N-methylacetamide
Published: 9/1/2004
Authors: N Ohashi, Jon Torger Hougen, R D. Suenram, Francis John Lovas, Y Kawashima, M Fujitake (Japan), J Pyka
Abstract: The jet-cooled Fourier-transform microwave spectrum of N-methylacetamide (CH3-NH-C(=O)-CH3), a molecule containing two methyl tops with relatively low barriers to internal rotation, has been recorded and fit to nearly experimental measurement uncerta ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841790

26. Analysis and Fit of the Fourier Transform Microwave Spectrum of the Two-Top Molecule N-Methylacetamide
Published: 1/1/2004
Authors: N Ohashi, Jon Torger Hougen, R D. Suenram, Francis John Lovas, Y Kawashima, M Fujitake, J Pyka
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104065

27. Anomalous Splittings of Torsional Sublevels Induced by the Aldehyde Inversion Motion in the S^d1^ State of Acetaldehyde
Published: 1/1/2004
Authors: Y Chou, I Chen, Jon Torger Hougen
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=103695

28. Ground and First Excited Torsional States of Acetamide
Published: 1/1/2004
Authors: Vadim V Ilyushin, E A Alekseev, S F Dyubko, I Kleiner, Jon Torger Hougen
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=103875

29. Conformational Analysis of the Jet-Cooled Peptide Mimetic Ethylacetamidoacetate from Torsion-Rotation Spectra
Published: 9/1/2003
Authors: R J Lavrich, Angela R Hight Walker, David F Plusquellic, I Kleiner, R D. Suenram, Jon Torger Hougen, Gerald T Fraser
Abstract: Rotational spectra of two conformers of the dipeptide mimetic, ethyl acetamidoacetate, were measured in a molecular beam using a Fourier-transform microwave spectrometer. In each conformer, internal rotation of the acetyl methyl group gives rise to ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841726

30. Rho-Axis-Method Hamiltonian for Molecules Having One Methyl Rotor and C^d1^ Point-Group Symmetry at Equilibrium
Published: 9/1/2003
Authors: I Kleiner, Jon Torger Hougen
Abstract: Two modifications of the rho-axis-method torsion-rotation Hamiltonian for fitting spectra of methyl top molecules belonging to the C-s point group at equilibrium which are required to treat molecules with C-1 equilibrium configurations are described: ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841688



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