On the aromaticity of actinide compounds

Z Badri, C Foroutan-Nejad - Nature Reviews Chemistry, 2024 - nature.com
The chemistry of actinides has flourished since the late 2010s with the synthesis of new
actinide complexes and clusters. On the theoretical side, a range of tools is available for the …

[PDF][PDF] NICS–nucleus independent chemical shift

R Gershoni-Poranne, A Stanger - Aromaticity: modern …, 2021 - poranne-group.github.io
The Nucleus Independent Chemical Shift (NICS) method1 was introduced by Paul v. R.
Schleyer in 1996 as a computational tool for the evaluation of aromaticity, exemplified for …

Aromaticity, the Hückel 4 n+ 2 rule and magnetic current

L Zhao, R Grande‐Aztatzi, C Foroutan‐Nejad… - …, 2017 - Wiley Online Library
Quantum chemical calculations using density functional theory and correlated ab initio
methods of the 10 π‐electron systems (N6H6) 2+ and C2N4H6 show that the planar forms …

All-metal aromaticity: revisiting the ring current model among transition metal clusters

Z Badri, S Pathak, H Fliegl… - Journal of chemical …, 2013 - ACS Publications
We present new insight into the nature of aromaticity in metal clusters. We give
computational arguments in favor of using the ring-current model over local indices, such as …

On the NICS limitations to predict local and global current pathways in polycyclic systems

D Inostroza, V García, O Yañez… - New Journal of …, 2021 - pubs.rsc.org
Here, we analyze the possibility of predicting local and global current densities in a series of
bicyclic hydrocarbons with 4n and 4n+ 2 π-electrons from the nucleus-independent …

Is NICS a reliable aromaticity index for transition metal clusters?

C Foroutan-Nejad - Theoretical Chemistry Accounts, 2015 - Springer
In the present account the nature of aromaticity/antiaromaticity of fourteen metallic
complexes/clusters are reexamined. These species were classified as aromatic by means of …

Electron delocalization in planar metallacycles: Hückel or Möbius aromatic?

DW Szczepanik, M Solà - ChemistryOpen, 2019 - Wiley Online Library
In this work the relationship between the formal number of π‐electrons, d‐orbital conjugation
topology, π‐electron delocalization and aromaticity in d‐block metallacycles is investigated …

Unification of ground-state aromaticity criteria–structure, electron delocalization, and energy–in light of the quantum chemical topology

Z Badri, C Foroutan-Nejad - Physical Chemistry Chemical Physics, 2016 - pubs.rsc.org
In the present account we investigate a theoretical link between the bond length, electron
sharing, and bond energy within the context of quantum chemical topology theories. The …

Reexamination of NICSπ,zz: Height Dependence, Off-Center Values, and Integration

A Stanger - The Journal of Physical Chemistry A, 2019 - ACS Publications
Applying fine grids of nucleus independent chemical shift (NICS) probes (BQs) at different
distances from the molecular plane of aromatic and antiaromatic molecules suggests that, at …

Can the current density map topology be extracted from the nucleus independent chemical shifts?

S Van Damme, G Acke, RWA Havenith… - Physical Chemistry …, 2016 - pubs.rsc.org
Aromatic compounds are characterised by the presence of a ring current when in a magnetic
field. As a consequence, current density maps are used to assess (the degree of) aromaticity …