Journal of Physical Chemistry, 2002, V 106, N 19, May 16.


LETTERS

Permanent Chiral Twisting of Nonchiral Carbon Nanotubes Manuel Melle-Franco, Maurizio Prato, and Francesco Zerbetto pp 4795 - 4797;
FEATURE ARTICLE

Role of Hydrogen-Bonded Intermediates in the Bimolecular Reactions of the Hydroxyl Radical Ian W. M. Smith and A. R. Ravishankara pp 4798 - 4807;
ARTICLES

DYNAMICS AND RELAXATION
Parameters Influencing the On- and Off-Times in the Fluorescence Intensity Traces of Single Cyanine Dye Molecules Fabian Ko"hn, Johan Hofkens, Roel Gronheid, Mark Van der Auweraer, and Frans C. De Schryver pp 4808 - 4814; Direct Determination of the S1 Excited-State Energies of Xanthophylls by Low- Temperature Fluorescence Spectroscopy Jesusa S. Josue and Harry A. Frank pp 4815 - 4824; A Crossed Beam and ab Initio Investigation of the Reaction of Hydrogen Sulfide, H2S(X1A1), with Dicarbon Molecules, C2(X1 g+) R. I. Kaiser, M. Yamada, and Y. Osamura pp 4825 - 4832; Ultrafast Charge Recombination of Photogenerated Ion Pairs to an Electronic Excited State Ana Morandeira, Laurine Engeli, and Eric Vauthey pp 4833 - 4837; Spin-Polarized Nitroxide Radicals in Organic Glasses Valery F. Tarasov, Ilya A. Shkrob, and Alexander D. Trifunac pp 4838 - 4845; EPR Line Shifts and Line Shape Changes Due to Spin Exchange of Nitroxide Free Radicals in Liquids 2. Extension to High Spin Exchange Frequencies and Inhomogeneously Broadened Spectra Barney L. Bales and Miroslav Peric pp 4846 - 4854;
SPECTROSCOPY, GASEOUS CLUSTERS, AND MOLECULAR BEAMS
Aerosol Spectroscopy of Dihydroxyacetone: Gas Phase and Nanoparticles Ruth Signorell and David Luckhaus pp 4855 - 4867; Intense Blue Luminescence of 3,4,6-Triphenyl- -pyrone in the Solid State and Its Electronic Characterization Keisuke Hirano, Satoshi Minakata, Mitsuo Komatsu, and Jin Mizuguchi pp 4868 - 4871; Infrared Characterization of the Icosahedral Shell Closing in Cl-·H2O·Arn (1 n 13) Clusters S. A. Corcelli, J. A. Kelley, J. C. Tully, and M. A. Johnson pp 4872 - 4879; The Raman, Ultraviolet, and Infrared Spectra and the JSi=C NMR Coupling Constant of the Stable Silene (t-BuMe2Si)(Me3Si)Si=2-Ad. Manifestations of the Si=C Double Bond Michael Bendikov, Yitzhak Apeloig, Sergey Bukalov, Irina Garbuzova, and Larissa Leites pp 4880 - 4885; LIF and IR Dip Spectra of Jet-Cooled p-Aminophenol-M (M = CO, N2): Hydrogen- Bonded or Van der Waals-Bonded Structure? Hirotoshi Mori, Hitomi Kugisaki, Yoshiya Inokuchi, Nobuyuki Nishi, Eisaku Miyoshi, Kenji Sakota, Kazuhiko Ohashi, and Hiroshi Sekiya pp 4886 - 4890;
KINETICS; ATMOSPHERIC AND ENVIRONMENTAL PHYSICAL CHEMISTRY
Photoelectron Spectroscopy of Cobalt Oxide Cluster Anions Axel Pramann, Kiichirou Koyasu, Atsushi Nakajima, and Koji Kaya pp 4891 - 4896; Experiments on Flow-Distributed Oscillations in the Belousov-Zhabotinsky Reaction Mads K?rn and Michael Menzinger pp 4897 - 4903; Solution of Some One- and Two-Dimensional Master Equation Models for Thermal Dissociation: The Dissociation of Methane in the Low-Pressure Limit James A. Miller, Stephen J. Klippenstein, and Christophe Raffy pp 4904 - 4913; Quantum Scattering Calculations of the O(1D) + N2(X1 g+) O(3P) + N2(X1 g+) Spin-Forbidden Electronic Quenching Collision Toshiyuki Takayanagi pp 4914 - 4921; Reactions of Silylene with Unreactive Molecules. I: Carbon Dioxide; Gas-Phase Kinetic and Theoretical Studies Rosa Becerra, J. Pat Cannady, and Robin Walsh pp 4922 - 4927; Effects of a Paracyclophane Linker on the Charge-Transfer Transition of 4- (Dimethylamino)-4'-nitrostilbene Andrew M. Moran, Glenn P. Bartholomew, Guillermo C. Bazan, and Anne Myers Kelley pp 4928 - 4937;
MOLECULAR STRUCTURE, BONDING, QUANTUM CHEMISTRY, AND GENERAL THEORY
Further Theoretical Evidence for the Exceptionally Strong Ferromagnetic Coupling in Oxo-Bridged Cu(II) Dinuclear Complexes Eliseo Ruiz, Coen de Graaf, Pere Alemany, and Santiago Alvarez pp 4938 - 4941; A Computational and Experimental Study on the Relative Stabilities of Cis and Trans Isomers of N-Alkylamides in Gas Phase and in Solution Antonio Garci'a Marti'nez, Enrique Teso Vilar, Amelia Garci'a Fraile, and Paloma Marti'nez-Ruiz pp 4942 - 4950; Novel Approach to the Detection of Triacetone Triperoxide (TATP): Its Structure and Its Complexes with Ions F. Dubnikova, R. Kosloff, Y. Zeiri, and Z. Karpas pp 4951 - 4956; Interpolated Algorithm for Large-Curvature Tunneling Calculations of Transmission Coefficients for Variational Transition State Theory Calculations of Reaction Rates Antonio Ferna'ndez-Ramos, Donald G. Truhlar, Jose' C. Corchado, and Joaqui'n Espinosa-Garci'a pp 4957 - 4960; Ferromagnetic Bonding: Properties of High-Spin Lithium Clusters n+1Lin (n = 2- 12) Devoid of Electron Pairs Sam P. de Visser, David Danovich, Wei Wu, and Sason Shaik pp 4961 - 4969; Bystander Effects on Carbene Rearrangements: A Computational Study Brian T. Hill, Zhendong Zhu, Aaron Boeder, Christopher M. Hadad, and Matthew S. Platz pp 4970 - 4979; Asymmetry in Symmetric Cycloadditions Shinichi Yamabe, Yukari Nishihara, and Tsutomu Minato pp 4980 - 4987; Quantum Mechanics Studies of the Intrinsic Conformation of Trehalose Alfred D. French, Glenn P. Johnson, Anne-Marie Kelterer, Michael K. Dowd, and Christopher J. Cramer pp 4988 - 4997; Infrared Matrix Isolation and Density Functional Theory Study of Intermediates in the Reactions of OVCl3 and CrCl2O2 with H2O Bethany L. Subel, David A. Kayser, and Bruce S. Ault pp 4998 - 5004; The Gas-Phase Acidities of Substituted Hydroxamic and Silahydroxamic Acids: A Comparative ab Initio Study Milan Remko pp 5005 - 5010; Symmetry-Forbidden vs Symmetry-Allowed Electron and Hole Transfer in Medium Sized Intramolecular Organic Donor-Acceptor Radical Ions. A Trajectory Surface Hopping Study Garth A. Jones, Michael N. Paddon-Row, Barry K. Carpenter, and Piotr Piotrowiak pp 5011 - 5021; Calculation of Electronic g-Tensors Using a Relativistic Density Functional Douglas-Kroll Method Konstantin M. Neyman, Dmitri I. Ganyushin, Alexei V. Matveev, and Vladimir A. Nasluzov pp 5022 - 5030; The Trimer Structures of Hydrazine Volker Dyczmons pp 5031 - 5040;
COMMENTS

Comment on "Identity Hydrogen Abstraction Reactions, X + H-X' X-H + X' (X = X' = CH3, SiH3, GeH3, SnH3, PbH3): A Valence Bond Modeling" Andreas A. Zavitsas pp 5041 - 5042; Reply to Comment on "Identity Hydrogen Abstraction Reactions, X + H-X' X-H + (X = X' = CH3, SiH3, GeH3, SnH3, PbH3): A Valence Bond Modeling" Sason Shaik, Samue"l P. de Visser, Wei Wu, Lingchun Song, and Philippe C. Hiberty pp 5043 - 5045; Comment on Molecular Mechanics for Chemical Reactions Jan Floria'n pp 5046 - 5047; Reply to Comment on Molecular Mechanics for Chemical Reactions Donald G. Truhlar pp 5048 - 5050;