Journal of Physical Chemistry A, 1999, V 103, N 22, 3 June.

FEATURE ARTICLE

4319-4331
Triphenylmethane Dyes Revealing Heterogeneity of Their Nanoenvironment:  
Femtosecond, Picosecond, and Single-Molecule Studies 
Mitsuru Ishikawa, Jing Yong Ye, Yoshihiro Maruyama, and 
Hiroki Nakatsuka 

ARTICLES

DYNAMICS AND RELAXATION

4332-4340
Catalytic Oligomerization of Methane via Microwave Heating 
Carolina Marún, L. Daniel Conde, and Steven L. Suib 

4341-4351
Effects of -Conjugation Attenuation on the Photophysics and Exciton 
Dynamics of Poly(p-phenylenevinylene) Polymers Incorporating 2,2'-Bipyridines 
Lin X. Chen, Wighard J. H. Jäger, Mark P. Niemczyk, and Michael R. Wasielewski 

4352-4358
Photoperoxidation of a Diamino Zinc Porphyrazine to the 
seco-Zinc Porphyrazine:  Suicide or Murder? 
A. Garrido Montalban, H. G. Meunier, R. B. Ostler, A. G. M. Barrett,
B. M. Hoffman, and G. Rumbles 

SPECTROSCOPY, GASEOUS CLUSTERS, AND MOLECULAR BEAMS

4359-4367
Determination of the Complete Polarizability Tensor of 1,3-Butadiene by Combination 
of Refractive Index and Light Scattering Measurements 
and Accurate Quantum Chemical ab Initio Calculations 
George Maroulis and Constantine Makris , Uwe Hohm and Uwe Wachsmuth 

KINETICS; ATMOSPHERIC AND ENVIRONMENTAL PHYSICAL CHEMISTRY

4368-4370
On Generalized Mulliken-Hush Approach of Electronic Transfer:  
Inclusion of Non-Zero Off-Diagonal Diabatic Dipole Moment 
Eugene S. Kryachko 

4371-4377
An Experimental and ab Initio CI Study for Charge Transfer Excited States 
and Their Relaxation in Pyrroloborane Derivatives 
C. Cornelissen-Gude and W. Rettig 

4378-4384
Kinetics of the CH3O2 + NO Reaction:  
Temperature Dependence of the Overall Rate Constant and an Improved Upper 
Limit for the CH3ONO2 Branching Channel 
Kurtis W. Scholtens, Benjamin M. Messer, Christopher D. Cappa, and 
Matthew J. Elrod 

MOLECULAR STRUCTURE, BONDING, QUANTUM CHEMISTRY, AND GENERAL THEORY

4385-4397
Rigid Fused Oligoporphyrins as Potential Versatile Molecular Wires. 
2. B3LYP and SCF Calculated Geometric and Electronic Properties 
of 98 Oligoporphyrin and Related Molecules 
Jeffrey R. Reimers, Lachlan E. Hall, Maxwell J. Crossley, and Noel. S. Hush 

4398-4403
Characterization of Chemical Reactions from the Profiles of Energy, 
Chemical Potential, and Hardness 
Alejandro Toro-Labbé 

4404-4412
Combined Matrix-Isolation Infrared and Theoretical DFT and ab Initio 
Study of the Nonionized Valine Conformers 
S. G. Stepanian, I. D. Reva, E. D. Radchenko, and L. Adamowicz 

4413-4420
Excited-State Intramolecular Proton Transfer and Rotamerism of 
2-(2'-hydroxyvinyl)benzimidazole and 2-(2'-hydroxyphenyl)imidazole 
M. Forés, M. Duran, M. Solà, and L. Adamowicz 


COMMENTS


4421-4423
Comment on "Rotational Alignment in Supersonic Seeded Beams of Molecular Oxygen" 
(J. Phys. Chem. 1995, 99, 13620) 
Charles D. Pibel , Joshua B. Halpern 

4424-4426
Reply to the Comment on "Rotational Alignment in Supersonic Seeded Beams 
of Molecular Oxygen" (by Charles D. Pibel, Joshua B. Halpern) 
Vincenzo Aquilanti, Daniela Ascenzi,David Cappelletti, and 
Fernando Pirani