Evaluating computational and structural approaches to predict transformation products of polycyclic aromatic hydrocarbons

IA Titaley, DM Walden, SE Dorn, OM Ogba… - … science & technology, 2018 - ACS Publications
Polycyclic aromatic hydrocarbons (PAHs) undergo transformation reactions with
atmospheric photochemical oxidants, such as hydroxyl radicals (OH•), nitrogen oxides …

Clar theory extended for polyacenes and beyond

D Bhattacharya, A Panda, A Misra… - The Journal of Physical …, 2014 - ACS Publications
An extension of Clar's classical sextet ideas is presented to allow resonance-based weak-
pairing long bonds. As the prototypic illustration, the theory is developed in the context of …

Role of the coupler to design organic magnetic molecules: LUMO plays an important role in magnetic exchange

S Shil, M Roy, A Misra - RSC advances, 2015 - pubs.rsc.org
We have designed seven organic diradicals with polyacene couplers to show the effect of
the configuration, aromaticity [estimated with the help of Nucleus Independent Chemical …

Clarology for conjugated carbon nano-structures: molecules, polymers, graphene, defected graphene, fractal benzenoids, fullerenes, nano-tubes, nano-cones, nano …

DJ Klein, AT Balaban - The Open Organic Chemistry Journal, 2011 - benthamopen.com
The 1-, 2-, and 3-dimensional structures obtained from conjugated rings of carbon atoms are
reviewed. They include finite small and large molecules (benzenoids, collarenes, beltenes …

Forcing, freedom, & uniqueness in graph theory & chemistry

DJ Klein, V Rosenfeld - Croatica Chemica Acta, 2014 - hrcak.srce.hr
Sažetak Harary's & Randić's ideas of “forcing” & “freedom” involve subsets of double bonds
of Kekule structure such as to be unique to that Kekule structure. Such forcing sets are …

Triangulenes and theirs ions: reaching the limits of Clar's rule

EM Rico-Sotomayor… - Physical Chemistry …, 2020 - pubs.rsc.org
The triangulenes and their closed-shell ions are a family of polycyclic aromatic
hydrocarbons (PAH) that have possible applications in fields as different as spintronics or …

BenzAI: A Program to Design Benzenoids with Defined Properties Using Constraint Programming

A Varet, N Prcovic, C Terrioux… - Journal of Chemical …, 2022 - ACS Publications
The BenzAI program can automatically generate benzenoids with defined structural
constraints, like the number of hexagons, the number of carbon and/or hydrogen atoms, the …

The Clar structure in inorganic BN analogues of polybenzenoid hydrocarbons: Does it exist or not?

J Wu, J Zhu - ChemPhysChem, 2015 - Wiley Online Library
The Clar structure of polybenzenoid hydrocarbons (PBHs) have attracted considerable
interest of both theoretical and experimental chemists since it was proposed in the 1950s …

Topological Ring-Current and Bond-Current Properties of the Altans of Certain K-Factorizable Conjugated Systems Containing “Fixed” Single-Bonds

TK Dickens, RB Mallion - The Journal of Physical Chemistry A, 2015 - ACS Publications
The rudimentary Hückel–London–Pople–McWeeny (HLPM) formalism, which frequently
mimics the predictions of more-sophisticated ab initio approaches, is used to investigate the …

[HTML][HTML] Noncomparative scaling of aromaticity through electron itinerancy

S Paul, T Goswami, A Misra - AIP Advances, 2015 - pubs.aip.org
Aromaticity is a multidimensional concept and not a directly observable. These facts have
always stood in the way of developing an appropriate theoretical framework for scaling of …