Return to the search form Results for: hougen (author) + 1991-present : Optical Technology Chou, Y., Chen, I., and Hougen, J.T., Anomalous Splittings of Torsional Sublevels Induced by the Aldehyde Inversion Motion in the S1 State of Acetaldehyde, J. Chem. Phys. 120, 2255-2269 (2004). Ilyushin, V.V., Alekseev, E.A., Dyubko, S.F., Kleiner, I., and Hougen, J.T., Ground and First Excited Torsional States of Acetamide, J. Mol. Spectrosc. 227, 115-139 (2004). Ohashi, N., Hougen, J.T., Suenram, R.D., Lovas, F.J., Kawashima, Y., Fujitake, M., and Pyka, J., Analysis and Fit of the Fourier Transform Microwave Spectrum of the Two-Top Molecule N-Methylacetamide, J. Mol. Spectrosc. 227, 28-42 (2004). Kleiner, I. and Hougen, J.T., Rho-Axis-Method Hamiltonian for Molecules Having One Methyl Rotor and C1 Point-Group Symmetry at Equilibrium, J. Chem. Phys. 119, 5505-5509 (2003). Lavrich, R.J., Hight Walker, A.R., Plusquellic, D.F., Kleiner, I., Suenram, R.D., Hougen, J.T., and Fraser, G.T., Conformational Analysis of the Jet-cooled Peptide Mimetic Ethylacetamidoacetate from Torsion-Rotation Spectra, J. Chem Phys. 119, 5497 (2003). Ohashi, N., Pyka, J., Golubiatnikov, G.Y., Hougen, J.T., Suenram, R.D., Lovas, F.J., Lesarri, A., and Kawashima, Y., Line Assignments and Global Analysis of the Tunneling-Rotation Microwave Absorption Spectrum of Dimethylmethylphosphonate, J. Mol. Spectrosc. 218, 116-128 (2003). Fawzy, W.M., Lovejoy, C.M., Nesbitt, D.J., and Hougen, J.T., Observation and Analysis of the Infrared Spectra of O2-HF near 3950 cm-1 and O2-DF near 2900 cm-1, J. Chem. Phys. 117, 693-705 (2002). Ohashi, N. and Hougen, J.T., Application of Permutation-Inversion Group Theory to the Interpretation of the Microwave Absorption Spectrum of Dimethyl-methylphosphonate, J. Mol. Spectrosc. 211, 119-126 (2002). Xu, L.H., Hougen, J.T., Lees, R.M. and Mekhtiev, M.A., Torsional Angle Definitions and Linear and Quadratic Force Field Variations along the Torsional Coordinate for CH3 OH and CH3CHO, J. Mol. Spectrosc. 214, 175-187 (2002). Hougen, J.T., Torsional Splittings in Small-Amplitude Vibrational Fundamental States of Methanol-Type Molecules, J. Mol. Spectrosc. 207, 60-65 (2001). Ilyushin, V.V., Alekseev, E.A., Dyubko, S.F., Podnos, S.V., Kleiner, I., Margules, L., Wlodarczak, G., Demaison, J., Cosleou, J., Mate, B., Karyakin, E.N., Golubiatnikov, G.Y., Fraser, G.T., Suenram, R.D., and Hougen, J.T., The Ground and First Excited Torsional States of Acetic Acid, J. Mol. Spectrosc. 205, 286 (2001). Meerts, W.L., Ozier, I., and Hougen, J.T., Anomalous Transitions in Two-Level Systems Driven by the AC Stark Effect, Can. J. Phys. 79, 533-545 (2001). Suenram, R.D., Yu, G., Golubiatnikov, G., Leonov, I.I., Hougen, J.T., Ortigoso, J., Kleiner, I., and Fraser, G.T., Reinvestigation of the Microwave Spectrum of Acetamide, J. Molec. Spectrosc. 208, 1-6 (2001). Lugez, C.L., Lovas, F.J., Hougen, J.T., and Ohashi, N., Global Analysis of a-, b-, c- Type Transitions Involving Tunneling Components of K = 0 and 1 States of the Methanol Dimer, J. Mol. Spectrosc. 194, 95-112 (1999). Mekhtiev, M.A., Godfrey, P.D., and Hougen, J.T., Linestrengths of Torsion-Rotation Transitions of Methanol for J ≤ 22, K ≤ 14, and vt ≤ 2 from Hamiltonian-Based Calculations, J. Mol. Spectrosc. 194, 171 (1999). Ortigoso, J., Kleiner, I., and Hougen, J.T., The K-Rotational Labeling Problem for Eigenvectors from Internal Rotor Calculations: Application to Energy Levels of Acetaldehyde Below the Barrier, J. Chem. Phys. 110, 11688 (1999). Xu, L.H., Lees, R.M., and Hougen, J.T., On the Physical Interpretation of Torsion-Rotation Parameters in Methanol and Acetaldehyde: Comparison of Global Fit and ab initio Results, J. Chem. Phys. 110, 3835 (1999). Mekhtiev, M.A. and Hougen, J.T., Some Properties and Uses of Torsional Overlap Integrals, J. Mol. Spectrosc. 187, 49-60 (1998). Hougen, J.T., Coordinates, Hamiltonian, and Symmetry Operations for the Small-Amplitude Vibrational Problem in Methyl-Top Internal-Rotor Molecules like CH3CHO, J. Mol. Spectrosc. 181, 287-296 (1997). Ohashi, N., Tsuura, M., Hougen, J.T., Enst, W.E., and Rakowsky, S., Effective Rotation-Pseudorotation Hamiltonian for X3-Type Molecules: Application to the B~-X~ Transition of Na3, J. Mol. Spectrosc. 184, 22-34 (1997). Kleiner, I., Hougen, J.T., Grabow, J.-U., Belov, S.P., Tretyakov, M.Yu., and Cosleou, J., The Third and Fourth Torsional States of Acetaldehyde, J. Mol. Spectrosc. 179, 41 (1996). Ioannou, I.I., Kuczkowski, R.L., and Hougen, J.T., The Rotational-Tunneling Spectrum of Argon-Acetaldehyde: Theory and Analysis, J. Mol. Spectrosc. 171, 265 (1995). Ohashi, N. and Hougen, J.T., Analysis and Global Fit of Tunneling Splittings in the K=0 A-Type Microwave Spectrum of the Methanol Dimer, J. Mol. Spectrosc. 170, 493 (1995). Ohashi, N., Tsuura, M., and Hougen, J.T., Effective Rotation-Pseudorotation Hamiltonian for X3-Type Molecules in the High Barrier Limit, J. Mol. Spectrosc. 173, 79-99 (1995). Xu, L.-H. and Hougen, J.T., Global Fit of Rotational Transitions in the Ground Torsional State of Methanol, J. Mol. Spectrosc. 169, 396 (1995). Xu, L.-H. and Hougen, J.T., Global Fit of Torsional-rotational Transitions in the Ground and First Excited Torsional States of Methanol, J. Mol. Spectrosc. 173, 540 (1995). Hougen, J.T., Kleiner, I., and Godefroid, M., Selection Rules and Intensity Calculations for a Cs Asymmetric Top Molecule Containing a Methyl Group Internal Rotor, J. Mol. Spectrosc. 163, 559-586 (1994). Ohashi, N. and Hougen, J.T., Group Theoretical Treatment of Tunneling Splittings in the Methanol Dimer, J. Mol. Spectrosc. 163, 86-107 (1994). Ortigoso, J. and Hougen, J.T., Rotational Energy Surfaces of Molecules Exhibiting Internal Rotation, J. Chem. Phys. 101, 2710-1719 (1994). Yea, L.I., Lee, Y.T., and Hougen, J.T., Vibration-rotation Spectroscopy of the Hydrated Hydronium Ions H5O2P+ and H9O4+, J. Mol. Spectrosc. 164, 473-488 (1994). Hougen, J.T. and Ohashi, N., Tunneling Splitting Patterns in Two Forms of the Methanol-Water Dimer, J. Mol. Spectrosc. 159, 363-387 (1993). Barclay, Jr., W.L., Anderson, M.A., Ziurys, L.M., Kleiner, I., and Hougen, J.T., The Laboratory Spectrum of Acetaldehyde at 1 mm, Astrophys. J. Suppl. 89(2), 221-226 (1993). Belov, S.P., Tretyakov, M.Yu., Kleiner, I., and Hougen, J.T., The Second Torsional State of Acetaldehyde, J. Mol. Spectrosc. 160, 61-72 (1993). Kleiner, I., Hougen, J.T., Suenram, R.D., Lovas, F.J., and Godefroid, M., The Ground and First Torsional States of Acetaldehyde, J. Mol. Spectrosc. 153, 578 (1992). Ohashi, N. and Hougen, J.T., Tunneling Splittings in A-BX4 Type van der Waals Molecules, J. Mol. Spectrosc. 153, 429 (1992). Hougen, J.T., Meerts, W.L., and Ozier, I., The Use of Extended Permutation-Inversion Groups in Constructing Hyperfine Hamiltonians for Symmetric-Top Internal Rotor Molecules like H3C-SiH3, J. Mol. Spectrosc. 146, 8-48 (1991). Coudert, L.H. and Hougen, J.T., Tunneling Splittings in (XY3)-Type Dimers, J. Mol. Spectrosc. 149, 73-98 (1991). Kleiner, I., Hougen, J.T., Suenram, R.D., Lovas, F.J., and Godefroid, M., The Ground Torsional State of Acetaldehyde, J. Mol. Spectrosc. 148, 38 (1991). Kleiner, I., Fraser, G.T., Hougen, J.T., and Pine, A.S., Molecular-Beam Optothermal Spectrum of the OH Stretching Band of Methanol, J. Mol. Spectrosc. 147, 155 (1991). Mekhtiev, M.A. and Hougen, J.T., Contact Transformations and Determinable Parameters in Spectroscopic Fitting Hamiltonians, J. Mol. Spectrosc. 199, 284-301 (2000). Ohashi, N. and Hougen, J.T., Approximate Selection Rules for |K| = 1 - 0 and 1 - 1 Tunneling-Rotational Transitions in the Methanol Dimer, J. Mol. Spectrosc. 203, 170 (2000). Ortigoso, J. and Hougen, J.T., K-scrambling in a near symmetric top molelcule containing an excited noncoaxial internal rotor, J. Chem. Phys. 112, 10212-10220 (2000). You got 42 matches Return to the search form