JEE Main Strategy: How General Organic Chemistry Turns Memorisation into Logic

Master acid–base concepts, intermediates, and isomerism to make Organic Chemistry a high-scoring, logic-driven section in JEE ...
Chemistry World

Anomeric effect cannot be explained by hyperconjugation alone

Computational analysis suggests that the anomeric effect arises from a combination of factors and is not limited to just ...
Nature

Hyperconjugation due to Hydrogen Atoms in β γ and δ Positions

THE recent statement by Kreevoy and Eyring 1, based on theoretical considerations, that the hyperconjugation energy is approximately proportional to the number of α-hydrogen atoms, is supported by an ...
Nature

Hyperconjugation and Light Absorption

Barany, H. C., Braude, E. A., and Pianka, M., J. Chem. Soc., 1898 (1949). Braude, E. A., and Jones, E. R. H., J. Chem. Soc., 499 (1945). Brooker, L. G. S., and White ...
C&EN

Mnemonic Device For Chemistry

“Experimental Evidence for ‘Hyperaromaticity,’ ” on the contribution of hyperconjugation to aromaticity, lends itself to a convenient mnemonic device that I have used in an introductory organic ...
Frontiers

Theoretical and computational study of benzenium and toluenium isomers

Department of Chemistry, The University of Texas at San Antonio, San Antonio, TX, United States Four methods of computational quantum chemistry are used in a study of hyperconjugation in protonated ...
C&EN

Topological Impact of Delocalization on the Stability and Band Gap of Partially Oxidized Graphene

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. Strategic perturbations on the graphene framework to inflict a tunable energy band gap ...
Frontiers

Quantum Solvers for Plane-Wave Hamiltonians: Abridging Virtual Spaces Through the Optimization of Pairwise Correlations

For many-body methods such as MCSCF and CASSCF, in which the number of one-electron orbitals is optimized and independent of the basis set used, there are no problems with using plane-wave basis sets.
Scientific Research Publishing

Key Role of Some Specific Occupied Molecular Orbitals of Short Chain n-Alkanes in Their Surface Tension and Reaction Rate Constants with Hydroxyl Radicals: DFT Study ()

Department of Physical and Quantum Chemistry, Institute of Chemistry, Academy of Sciences of Moldova, Kishinev, Republic of Moldova. As is known, many physicochemical properties of chemical compounds ...
C&EN

Hyperconjugation Promotes Catalysis in a Pyridoxal 5′-Phosphate-Dependent Enzyme

Article Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to ...
archive

Hyperconjugation in Carbocations, a BLW Study with DFT approximation.

Due to a planned power outage on Friday, 1/14, between 8am-1pm PST, some services may be impacted. A line drawing of the Internet Archive headquarters building façade. An illustration of a magnifying ...