The Journal of Physical Chemistry A, 1999, V 103, N 16, 22 April.


LETTERS

2907-2911 Interference of Optical Coherent Transients in Pentacene/p-Terphenyl: Femtosecond Beats Probed by Correlated Fluorescence Fluctuations A. Tortschanoff, K. Brunner, Ch. Warmuth, and H. F. Kauffmann 2912-2916 Ultrafast Rotational Anisotropy Measurements: Unidirectional Detection Emily J. Brown, Igor Pastirk, and Marcos Dantus


ARTICLES

DYNAMICS AND RELAXATION

2917-2924 Chemical and Transport Processes of Photoelectrons Generated in Rubidium-Tetrahydrofuran Solutions Yehuda Heimlich, Vladimir Rozenshtein, and Haim Levanon, Leonid Lukin 2925-2933 Molecular Dynamics Study of Vibrational Excitation Dynamics and Desorption in Solid O2 ukasz Dutkiewicz, Robert E. Johnson, Akos Vertes, and Roman Pdrys 2934-2940 Propagating Fronts and Chaotic Dynamics in Co(OH)2 Liesegang Systems V. Nasreddine and R. Sultan

SPECTROSCOPY, GASEOUS CLUSTERS, AND MOLECULAR BEAMS

2941-2944 Isomeric Transitions between Linear and Cyclic H+(CH3OH)4,5: Implications for Proton Migration in Liquid Methanol Hai-Chou Chang, Jyh-Chiang Jiang, Sheng H. Lin, Yuan T. Lee, and Huan-Cheng Chang 2945-2951 Matrix Isolation and ab Initio Studies of 1:1 Hydrogen-Bonded Complexes HCN-H2O and HNC-H2O Produced by Photolysis of Formaldoxime Antti Heikkilä, Mika Pettersson, Jan Lundell, Leonid Khriachtchev, and Markku Räsänen 2952-2963 Multiply Charged Ions from Aromatic Molecules Following Irradiation in Intense Laser Fields K. W. D. Ledingham, D. J. Smith, R. P. Singhal, T. McCanny, P. Graham, H. S. Kilic, W. X. Peng, A. J. Langley, P. F. Taday, and C. Kosmidis 2964-2971 Matrix Infrared Spectra and Density Functional Calculations of ScCO, ScCO-, and ScCO+ Mingfei Zhou and Lester Andrews 2972-2974 Infrared Cavity Ringdown Spectroscopy of the Water Cluster Bending Vibrations J. B. Paul, R. A. Provencal, C. Chapo, K. Roth, R. Casaes, and R. J. Saykally 2975-2981 Infrared Absorption Spectroscopy of Small Carbon-Sulfur Clusters Isolated in Solid Ar Jan Szczepanski, Robert Hodyss, Jason Fuller, and Martin Vala 2982-2991 Microsolvation of HN2+ in Argon: Infrared Spectra and ab Initio Calculations of Arn-HN2+ (n = 1-13) Otto Dopfer,Rouslan V. Olkhov, and John P. Maier

KINETICS: ATMOSPHERIC AND ENVIRONMENTAL PHYSICAL CHEMISTRY

2992-2998 Gas-Phase Chemistry of Vanadium Oxide Cluster Cations. 2. Reactions with CH2F2 R. C. Bell, K. A. Zemski, and A. W. Castleman, Jr. 2999-3005 Reappraisal of the Contribution from [O2·(H2O)n]+ Cluster Ions to the Chemistry of the Ionosphere Laurence Angel and Anthony J. Stace 3006-3012 Spectroscopy of Hydrothermal Reactions. 12. Acid-Assisted Hydrothermolysis of Aliphatic Nitriles at 150-260 C and 275 bar A. J. Belsky and T. B. Brill 3013-3019 Nonexponentialities in the Ultrafast Electron-Transfer Dynamics in the System Oxazine 1 in N,N-Dimethylaniline S. Engleitner, M. Seel, and W. Zinth 3020-3030 RRKM Theory beyond the Separable Harmonic Approximation: The HCO2H + CO2 Unimolecular Decomposition Kurt M. Christoffel and Joel M. Bowman 3031-3037 Reconsideration of the Rate Constant for the Reaction of Hydroxyl Radicals with Nitric Acid Steven S. Brown, Ranajit K. Talukdar, and A. R. Ravishankara 3038-3043 Temperature Dependence of the Rate Constant for the Reaction HCO + O2 HO2 + CO at T = 200-398 K Fred L. Nesbitt , James F. Gleason and Louis J. Stief

MOLECULAR STRUCTURE, BONDING, QUANTUM CHEMISTRY, AND GENERAL THEORY

3044-3053 Spectroscopic Properties and Potential Energy Surfaces of Electronic States of SbCl2, SbBr2, SbCl2+ and SbBr2+ K. Balasubramanian and Lida Latifzadeh-Masoudipour 3054-3061 Gas-Phase Molecular Structure of MBBA (4-Methoxybenzylidene-4'-n-butylaniline), a Mesogen, by Electron Diffraction Combined with ab Initio Calculations Nobuhiko Kuze, Hideo Fujiwara, Hiroshi Takeuchi, Toru Egawa, and Shigehiro Konaka , Geza Fogarasi 3062-3065 15N Shielding of the Nitrosyl Ligand in Co(NO)(TPP) Angel C. de Dios and Jennifer L. Roach 3066-3072 Electron and Energy Transfer through Bridged Systems. 9. Toward a Priori Evaluation of the Intermetallic Coupling in Bis-metal Complexes Jeffrey R. Reimers and Noel S. Hush 3073-3077 SiC2 Revisited in a DFT Light Sundaram Arulmozhiraja, Ponmalai Kolandaivel, and Osamu Ohashi 3078-3088 Structure and Bonding of Chlorine Oxides and Peroxides: ClOx, ClOx- (x = 1-4), and Cl2Ox (x = 1-8) Armando Beltrán and Juan Andrés , Stéphane Noury and Bernard Silvi 3089-3096 Nature of Nonbonding Molecular Orbitals: Application to Two Symmetric Tetraazanaphthalenes Jeanette K. Hurst, Paul Wormell, Jeffrey R. Reimers, and Anthony R. Lacey 3097-3102 A Density Functional Study of a New Family of Anticancer Drugs: Paclitaxel, Taxotere, Epothilone, and Discodermolide P. Ballone , M. Marchi 3103-3109 Analysis of Spatial Contribution to the Second Hyperpolarizabilities of -Conjugated Systems Involving Sulfur Atoms Masayoshi Nakano, Satoru Yamada, and Kizashi Yamaguchi 3110-3114 Intramolecular Hydrogen Bonding in Fluorophenol Derivatives: 2-Fluorophenol, 2,6-Difluorophenol, and 2,3,5,6-Tetrafluorohydroquinone Attila Kovács and István Macsári, István Hargittai 3115-3122 Conformational Analysis of the Molecular Complexes of Sodium with Methanol and 1,2-Ethanediol: Photoionization and ab Initio Molecular Orbital Studies T.-S. Yeh and T.-M. Su 3123-3135 Ab initio Studies of NH4+(H2O)1-5 and the Influence of Hydrogen-Bonding Nonadditivity on Geometries and Vibrations J. C. Jiang, H.-C. Chang, Y. T. Lee, and S. H. Lin


COMMENTS

3136-3137 Comment on "Spontaneous Reactions and Reduction by Iodide of Peroxynitrite and Peroxynitrate: Mechanistic Insight from Activation Parameters" Sara Goldstein and Gidon Czapski , Johan Lind and Gábor Merényi

ADDITIONS AND CORRECTIONS

3138-3138 First Observation of the Excited Doublet State of a Radical-Triplet Pair in Solution: W-Band High-Field Time-Resolved Electron Paramagnetic Resonance Spectroscopy Jun-ichi Fujisawa, Kazuyuki Ishii,Yasunori Ohba, Seigo Yamauchi, Michael Fuhs, and Klaus Möbius