Modeling temperature dependency of amine basicity using PCM and SM8T implicit solvation models

M Gupta, EF da Silva, HF Svendsen - The Journal of Physical …, 2012 - ACS Publications
model implemented in Gaussian 03. On examining the results obtained from PCM solvation
energy for amines and protonated amines, … components of the solvation free energy, except …

Assessment of quantum mechanical continuum models of solvation: the prediction of tautomer equilibria, partition coefficients and amine basicity

P Young, DVS Green, IH Hillier, NA Burton - Molecular Physics, 1993 - Taylor & Francis
… success of the various solvation models, summarized in table 3. All calculations predict the
solvation energies to be in order 4 > 1 > 2 > 3. It is thus the greater solvation energy of 4 that …

Prediction of the Basicity of Aqueous Amine Solutions and the Species Distribution in the Amine−H2O−CO2 System Using the COSMO-RS Method

H Yamada, S Shimizu, H Okabe… - Industrial & …, 2010 - ACS Publications
… We note that the calculation models are predicting solvation energies under the infinite
dilution condition, differing from the experimental one. The effect of amine concentration is not …

Strain effects on amine basicities

RW Alder - Chemical Reviews, 1989 - ACS Publications
… on the Bronsted basicity of amines. The effects of strain on the interaction of amines with
Lewis … However, the solvation of both free base and monocation relative to typical aromatic …

Accurate prediction of basicity in aqueous solution with COSMO‐RS

F Eckert, A Klamt - Journal of computational chemistry, 2006 - Wiley Online Library
solvation model COSMO with a statistical thermodynamics treatment for realistic solvation
… secondary and tertiary aliphatic amines, we introduced an aliphatic amine correction of (N C …

First-principle predictions of basicity of organic amines and phosphines in acetonitrile

JN Li, Y Fu, L Liu, QX Guo - Tetrahedron, 2006 - Elsevier
… Furthermore, for each combination of solvation model and atomic … solvation energies in
acetonitrile, herein we systematically examined a variety of combinations of the solvation model, …

Semicontinuum Solvation Modeling Improves Predictions of Carbamate Stability in the CO2 + Aqueous Amine Reaction

KZ Sumon, CH Bains, DJ Markewich… - The Journal of …, 2015 - ACS Publications
Basicity versus CO 2 Affinity Effects of amine basicity were tested using nine different amines,
with a simple 1-amine-1-H 2 O model and on both carbamate and bicarbonate formation …

A thermodynamic analysis of solvation effects on the basicities of alkylamines. An electrostatic analysis of substituent effects

DH Aue, HM Webb, MT Bowers - Journal of the American …, 1976 - ACS Publications
… Hydrophobic solvation in the neutral amines and ammonium ions is assumed to nearly
cancel in its effect on the aqueous proton transfer equilibrium. A simple electrostatic approach is …

Predicting and tuning physicochemical properties in lead optimization: amine basicities

M Morgenthaler, E Schweizer… - ChemMedChem …, 2007 - Wiley Online Library
… An additional complication may arise from differences in solvation of the protonated versus
unprotonated amine as well as the electron-withdrawing substituents, particularly in bicyclic …

Studies of solvation free energies of methylammoniums and irregular basicity ordering of methylamines in aqueous solution by a combined discrete-continuum model

Z Cao, M Lin, Q Zhang, Y Mo - The Journal of Physical Chemistry …, 2004 - ACS Publications
… -continuum solvation model to the solvation free energies of … the accuracy and usefulness of
the model. Our focus is whether … solvation of the proton term (H + ) exists in all amine basicity