The Journal of Physical Chemistry A, 2000, V 104, N 36 14 September.

LETTERS

8323-8327
Structural Change at the Onset of Microsolvation:  Rotational 
Spectroscopy of HCN···HCN-SO3 
D. L. Fiacco, S. W. Hunt, and K. R. Leopold 

FEATURE ARTICLE

8328-8339
Molecular Assembly in Ordered Mesoporosity:  A New Class of Highly Functional 
Nanoscale Materials 
Jun Liu, Yongsoon Shin, Zimin Nie, Jeong Ho Chang, Li-Qiong Wang, 
Glen E. Fryxell,William D. Samuels, and Gregory J. Exarhos 

ARTICLES

DYNAMICS AND RELAXATION

8340-8345
Role of Probe Molecule Structure in Sensing Solution Phase Interactions in 
Ternary Systems 
J. J. Tulock and G. J. Blanchard 

8346-8352
Mechanisms and Relative Rates of MX2* Chemiluminescence in the
Reactions of Ca, Sr, and Ba(1S) Atoms with Dihalogen Molecules 
P. Kierzkowski and A. Kowalski, D. Wren and M. Menzinger 


SPECTROSCOPY, GASEOUS CLUSTERS, AND MOLECULAR BEAMS


8353-8359
On the Structure and Stability of Gas-Phase Cluster Ions 
SiF3+(CO)n, 
SiF3OH2+(SiF4)n, 
SiF4H+(SiF4)n, and 
F-(SiF4)n 
Kenzo Hiraoka, Masayuki Nasu, Akihito Minamitsu, and Akitaka Shimizu, Shinichi Yamabe 


KINETICS; ATMOSPHERIC AND ENVIRONMENTAL PHYSICAL CHEMISTRY


8360-8367
Photolysis of Ketene at 193 nm and the Rate Constant for H + HCCO at 297 K 
G. P. Glass, S. S. Kumaran, and J. V. Michael 

8368-8374
A Theoretical Investigation of the Decomposition Mechanism of Pyridyl Radicals 
Ruifeng Liu, 
Thomas T.-S. Huang, James Tittle, and Daohong Xia 

8375-8381
Accurate ab Initio Calculations on the Rate Constants of the Direct Hydrogen 
Abstraction Reaction C2H + H2 C2H2 + H 
Xiang Zhang, Yi-hong Ding, Ze-sheng Li, Xu-ri Huang, and Chia-chung Sun 


MOLECULAR STRUCTURE, BONDING, QUANTUM CHEMISTRY, AND GENERAL THEORY


8382-8388
Unimolecular Reactions of Protonated Hydrogen Peroxide:  A Quantum Chemical 
Survey 
Elisabeth Leere Øiestad, Jeremy N. Harvey, and Einar Uggerud 

8389-8408
The Low-Lying Excited States of Pyridine 
Zheng-Li Cai and Jeffrey R. Reimers 

8409-8417
Application of Density Functional Theory to the Study of the Reaction of NO
 with Char-Bound Nitrogen during Combustion 
Alejandro Montoya, Thanh N. Truong, and Adel F. Sarofim 

8418-8423
Is There a Minimum Polarizability Principle in Chemical Reactions? 
Uwe Hohm 

8424-8431
Photoinduced Proton Transfer and Rotational Motion of 1-Hydroxy-2-acetonaphthone 
in the S1 State:  A Theoretical Insight into Its Photophysics 
Juan Angel Organero, Miquel Moreno, Lucía Santos, José Maria 
Lluch, and Abderrazzak Douhal 

8432-8444
Atom-Bond Transition:  Transferability of Atomic Length Scales 
P. Ganguly 

8445-8454
Interpretation of Molecular Intracule and Extracule Density Distributions in 
Terms of Valence Bond Structures:  Two-Electron Systems and Processes 
Xavier Fradera and Miquel Duran, Jordi Mestres