Theoretical study of strong basicity in aromatic diamines

E Fujiwara, K Omoto, H Fujimoto - The Journal of Organic …, 1997 - ACS Publications
… In studying the basicities of proton sponge compounds, we introduce here a method of …
In the present study, the orbital analysis has been made with the 6-31G* basis set to see what …

Basicity of acetamidine. Experimental and theoretical study

AI González, O Mó, M Yáñez, E Leon… - The Journal of …, 1996 - ACS Publications
… Our results show that acetamidine is still a strong base in condensed media since its basicity
(in ΔG) is 12 kcal/mol higher than that of ammonia. It must be noted that this is equivalent to …

Intrinsic basicities of phosphorus imines and ylides: a theoretical study

IA Koppel, R Schwesinger, T Breuer… - The Journal of …, 2001 - ACS Publications
… However, our calculations show that even much stronger basicity is expected for the hypothetic
derivative of H 3 P NH where all of the hydrogen atoms of the H 3 P= group are replaced …

An Experimental and Theoretical Study of the Basicity of Tetra‐tert‐butyltetrahedrane

R Notario, O Castaño, JL Andrés… - … A European Journal, 2001 - Wiley Online Library
… Although high-level theoretical calculations (G2) … strong carbon acid),17 no experimental
data on the basicity of tetrahedranes existed. Two properties of tBu 4 THD relevant for this study

Theoretical studies of solvent effect on the basicity of substituted pyridines

I Lee, CK Kim, IS Han, HW Lee, WK Kim… - The Journal of Physical …, 1999 - ACS Publications
… This π donor effect of the strong π acceptor groups is manifest only in the basicities of …
groups in the basicities of the pyridines is due to (i) the presence of a strong cationic charge …

Strong bases design: predicted limits of basicity

AV Kulsha, EG Ragoyja… - The Journal of Physical …, 2022 - ACS Publications
stronger neutral bases. In this article, the reasons for the instability of very basic compounds
are investigated by means of high-level quantum-chemical calculations. Theoretical basicity

Basicities of strong bases in water: A computational study

K Kaupmees, A Trummal, I Leito - Croatica chemica acta, 2014 - hrcak.srce.hr
Aqueous pKa values of strong organic bases–DBU, TBD, MTBD, different phosphazene
bases, etc–were computed with CPCM, SMD and COSMO-RS approaches. Explicit solvent …

Theoretical studies of basicity. Proton affinities, lithium (1+) ion affinities, and hydrogen-bond affinities of some simple bases

P Kollman, S Rothenberg - Journal of the American Chemical …, 1977 - ACS Publications
… Other experimental and theoretical studies relevant to this study include … basicity, and by
Davis and Rabelais, who related proton affinities to ESCA binding energies using a theoretical

Empirical Energy− Density Relationships Applied to the Analysis of the Basicity of Strong Organic Superbases

E Chamorro, CA Escobar, R Sienra… - The Journal of Physical …, 2005 - ACS Publications
… present study (see Scheme 1) have been optimized at the B3LYP/6-31G(d) level of theory
using … Because we deal only with general trends concerning intrinsic basicities, our calculated …

Intrinsic acidity and basicity of 2, 2, 2-trifluoroethanethiol. The first experimental and theoretical study

MT Molina, W Bouab, M Esseffar… - The Journal of …, 1996 - ACS Publications
The gas phase acidity and basicity of 2,2,2-trifluoroethanethiol (TFET), ie, the standard Gibbs
energy changes for the following two reactions have been determined by means of Fourier …