Simple and efficient visualization of aromaticity: bond currents calculated from NICS values

E Paenurk, R Gershoni-Poranne - Physical Chemistry Chemical …, 2022 - pubs.rsc.org
Aromaticity is a fundamental concept in chemistry, underpinning the properties and reactivity
of many organic compounds and materials. The ability to easily and accurately discern …

Aromaticity and Magnetic Behavior in Benzenoids: Unraveling Ring Current Combinations

L Leyva‐Parra, R Pino‐Rios, D Inostroza… - … A European Journal, 2024 - Wiley Online Library
Nowadays, an active research topic is the connection between Clar's rule, aromaticity, and
magnetic properties of polycyclic benzenoid hydrocarbons. In the present work, we employ a …

Prediction of the ground state for indenofluorene-type systems with Clar's π-sextet model

G George, AJ Stasyuk, M Solà - Chemical Science, 2024 - pubs.rsc.org
This study introduces the Ground State Stability (GSS) rule that allows predicting the nature
of the ground state of indenofluorene (IF)-type systems from the simple counting of the Clar's …

The magnetically induced current density of the [12] infinitene dianion

Q Wang, M Orozco-Ic, D Sundholm - Physical Chemistry Chemical …, 2023 - pubs.rsc.org
The magnetically induced current–density susceptibility (MICD) of the [12] infinitene dianion
and the induced magnetic field around it have been calculated at the density functional …

Quest for the most aromatic pathway in charged expanded porphyrins

I Casademont‐Reig, T Woller, V García… - … A European Journal, 2023 - Wiley Online Library
Despite the central role of aromaticity in the chemistry of expanded porphyrins, the
evaluation of aromaticity remains difficult for these extended macrocycles. The presence of …

Aromaticity and Extrusion of Benzenoids Linked to [o‐COSAN]: Clar Has the Answer

J Poater, C Viñas, D Olid, M Solà… - Angewandte …, 2022 - Wiley Online Library
Benzene and pyrene can be synthetically linked to [o‐COSAN]− keeping their aromaticity. In
contrast, naphthalene and anthracene are extruded in the same reaction. We have proven …

E 6 C 15 (E= Si–Pb): polycyclic aromatic compounds with three planar tetracoordinate carbons

D Inostroza, L Leyva-Parra… - Chemical …, 2022 - pubs.rsc.org
A systematic exploration of the potential energy surface reveals two global minima with three
planar tetra coordinate carbons (ptCs) and two global minima with three quasi-ptCs for …

Persistent planar tetracoordinate carbon in global minima structures of silicon-carbon clusters

L Leyva-Parra, D Inostroza, O Yañez, JC Cruz, J Garza… - Atoms, 2022 - mdpi.com
Recently, we reported a series of global minima whose structures consist of carbon rings
decorated with heavier group 14 elements. Interestingly, these structures feature planar …

Structures, energetics, and spectra of (NH) and (OH) tautomers of 2-(2-Hydroxyphenyl)-1-azaazulene: a density functional theory/time-dependent density functional …

AB El-Meligy, SH El-Demerdash… - ACS …, 2022 - ACS Publications
Tautomerization of 2-(2-hydroxyphenyl)-1-azaazulene (2OHPhAZ) in the gas phase and
ethanol has been studied using B3LYP, M06-2X, and ωB97XD density functional theory …

On the aromaticity and stability of benzynes in the ground and lowest‐lying triplet excited states

R Báez‐Grez, R Pino‐Rios - Journal of Computational …, 2024 - Wiley Online Library
In this work, we have revisited the aromaticity of benzyne isomers at the unrestricted density
functional theory level (UDFT) using the energetic, magnetic, and delocalization criteria. In …