Absolute pKa Determinations for Substituted Phenols

MD Liptak, KC Gross, PG Seybold… - Journal of the …, 2002 - ACS Publications
The CBS-QB3 method was used to calculate the gas-phase free energy difference between
20 phenols and their respective anions, and the CPCM continuum solvation method was …

Mechanism of C− H bond activation/C− C bond formation reaction between diazo compound and alkane catalyzed by dirhodium tetracarboxylate

E Nakamura, N Yoshikai… - Journal of the American …, 2002 - ACS Publications
The B3LYP density functional studies on the dirhodium tetracarboxylate-catalyzed C− H
bond activation/C− C bond formation reaction of a diazo compound with an alkane revealed …

Mechanisms of tetrazole formation by addition of azide to nitriles

F Himo, ZP Demko, L Noodleman… - Journal of the American …, 2002 - ACS Publications
It is well-known that azide salts can engage nitriles at elevated temperatures to yield
tetrazoles; however, there is continued debate as to the mechanism of the reaction. Density …

Density functional theory for efficient ab initio molecular dynamics simulations in solution

JL Fattebert, F Gygi - Journal of computational chemistry, 2002 - Wiley Online Library
We present a density functional for first‐principles molecular dynamics simulations that
includes the electrostatic effects of a continuous dielectric medium. It allows for numerical …

Spectroscopic Calibration of Modern Density Functional Methods Using [CuCl4]2-

RK Szilagyi, M Metz, EI Solomon - The Journal of Physical …, 2002 - ACS Publications
Density functional theory has become a popular method for studying the electronic structure
and potential energy surface properties of large molecules. Its accuracy has been …

Density functional theory study of the mechanism of the proline-catalyzed intermolecular aldol reaction

M Arnó, LR Domingo - Theoretical Chemistry Accounts, 2002 - Springer
Transition structures associated with the CC bond-formation step of the proline-catalyzed
intermolecular aldol reaction between acetone and isobutyraldehyde have been studies …

Density functional theory study for the cycloaddition of 1, 3-butadienes with dimethyl acetylenedicarboxylate. Polar stepwise vs concerted mechanisms

LR Domingo, M Arnó, R Contreras… - The Journal of Physical …, 2002 - ACS Publications
The molecular mechanisms for the cycloaddition reactions of four low activated 1, 3-
butadiene systems (1, 3-butadiene,(E)-1, 3-pentadiene,(Z)-1, 3-pentadiene, and 4-methyl-1 …

Towards the Experimental Decomposition Rate of Carbonic Acid (H2CO3) in Aqueous Solution

CS Tautermann, AF Voegele, T Loerting… - … A European Journal, 2002 - Wiley Online Library
Dry carbonic acid has recently been shown to be kinetically stable even at room
temperature. Addition of water molecules reduces this stability significantly, and the …

Ab initio conformational studies on diols and binary diol‐water systems using DFT methods. Intramolecular hydrogen bonding and 1:1 complex formation with water

RA Klein - Journal of computational chemistry, 2002 - Wiley Online Library
Studies on the conformational equilibrium for the following diols, ethane‐1, 2‐diol (12EG,
CAS 107‐21‐1), 2R‐D‐(−)‐propane‐1, 2‐diol (12PG, CAS 4254‐14‐2),(2S, 3S)‐L‐(+) …

A density functional theory study for the Diels–Alder reaction between N-acyl-1-aza-1, 3-butadienes and vinylamines. Lewis acid catalyst and solvent effects

LR Domingo - Tetrahedron, 2002 - Elsevier
The molecular mechanism for the Diels–Alder reaction of N-acyl-1-aza-1, 3-butadiene with
dimethylvinylamine has been studied using density functional theory methods. This …