Distinct crystalline aromatic structural motifs: Identification, classification, and implications

R Ramakrishnan, MA Niyas, MP Lijina… - Accounts of Chemical …, 2019 - ACS Publications
Conspectus Spatial noncovalent helical organization of nucleobases in DNA and radial
organization of chromophores in natural light-harvesting systems are fascinating yet …

A key stacking factor for the effective formation of pyrene excimer in crystals: degree of π–π overlap

Y Ge, Y Wen, H Liu, T Lu, Y Yu, X Zhang, B Li… - Journal of Materials …, 2020 - pubs.rsc.org
In order to facilitate pyrene (PY) excimer formation in solids, several imidazole-containing
PY derivatives were designed and synthesized. Among them, a new compound 1, 4, 5 …

Constructing a pyrene-based dimer in a crystal by adjusting the steric hindrance over the pyrene plane

ZA Xia, X Zhang, C Xi, Q Bai, H Liu, ST Zhang… - …, 2023 - pubs.rsc.org
The structure–property relationship is always the focus when organic light-emitting materials
are used mainly in the aggregated state in some fields, such as optoelectronic devices …

π-stacking among the anthracenyl groups of a copper complex resulted in doubling of unit cell volume to provide new polymorphs

AP Singh, JB Baruah - ACS omega, 2023 - ACS Publications
Two polymorphs of the 9-N-(3-imidazolylpropylamino) methylanthracene (Hanthraimmida)
containing hydrated copper (II)-2, 6-pyridinedicarboxylate complex are reported. The two …

Supramolecular architectures sustained by delocalised C–I⋯ π (arene) interactions in molecular crystals and the propensity of their formation

ERT Tiekink - CrystEngComm, 2021 - pubs.rsc.org
A systematic analysis of the Cambridge Crystallographic Database has been made for
supramolecular architectures sustained by C–I⋯ π (chelate ring) interactions where the …

1, 7-Dipyrene-Containing Aza-BODIPYs: Are Pyrene Groups Effective as Ligands To Promote and Direct Complex Formation with Common Nanocarbon Materials?

YV Zatsikha, TS Blesener, PC Goff… - The Journal of …, 2018 - ACS Publications
A series of 1, 7-dipyrene-aza-BODIPY and 1, 7-dipyrene-3, 5-diferrocene-aza-BODIPY
derivatives 5a–e with pyrene ligands covalently attached to the β-pyrrolic positions of the …

Modulation of weak interactions in structural isomers: Positional isomeric effects on crystal packing and physical properties and solid-state thin-film fabrication

Monika, A Verma, MK Tiwari, B Show, S Saha - ACS omega, 2019 - ACS Publications
Selective formation of positional isomers and accordingly tuning the physicochemical
properties of small conjugated organic molecules through structural isomers is an effective …

Crystalline triphenylamine substituted arenes: solid state packing and luminescence properties

AR Mallia, R Ramakrishnan, MA Niyas, M Hariharan - CrystEngComm, 2017 - pubs.rsc.org
The crystal packing and solid state photophysical properties of twisted propeller-shaped
triphenylamine (T) incorporated aromatic hydrocarbons [ArT where Ar= benzene (Ph) …

Structure‐packing‐property correlation of self‐sorted versus interdigitated assembly in TTF⋅ TCNQ‐based charge‐transport materials

MA Niyas, R Ramakrishnan, V Vijay… - … –A European Journal, 2018 - Wiley Online Library
Among the various donor–acceptor (D‐A) charge‐transfer co‐crystals investigated in the
past few decades, tetrathiafulvalene‐tetracyanoquinodimethane (F⋅ Q, popularly known as …

Altering the Polymorphic Accessibility of Polycyclic Aromatic Hydrocarbons with Fluorination

AM Hiszpanski, AR Woll, B Kim, C Nuckolls… - Chemistry of …, 2017 - ACS Publications
Substituting hydrogen with fluorine is an extensively employed strategy to improve the
macroscopic properties of compounds for use in fields as diverse as pharmaceutics and …