First-principles studies of substituent effects on squaraine dyes

G Barcenas, A Biaggne, OA Mass, CK Wilson… - RSC …, 2021 - pubs.rsc.org
Dye molecules that absorb light in the visible region are key components in many
applications, including organic photovoltaics, biological fluorescent labeling, super …

Synthesis and strong solvatochromism of push-pull thienylthiazole boron complexes

MJ Wildervanck, R Hecht, A Nowak-Król - Molecules, 2022 - mdpi.com
The solvatochromic behavior of two donor-π bridge-acceptor (D-π-A) compounds based on
the 2-(3-boryl-2-thienyl) thiazole π-linker and indandione acceptor moiety are investigated …

Comparison of the transition dipole moments calculated by TDDFT with high level wave function theory

D Robinson - Journal of Chemical Theory and Computation, 2018 - ACS Publications
Time dependent density functional theory (TDDFT) is widely used to simulate the excited
states of organic and inorganic molecules. We calculate the transition dipole moments …

[HTML][HTML] Electronic transition dipole moments from time-independent excited-state density-functional tight-binding

MY Deshaye, AT Wrede, T Kowalczyk - The Journal of Chemical …, 2023 - pubs.aip.org
Computationally inspired design of organic electronic materials requires robust models of
not only the ground and excited electronic states but also of transitions between these …

Principal molecular axis and transition dipole moment orientations in liquid crystal systems: an assessment based on studies of guest anthraquinone dyes in a nematic …

MT Sims, LC Abbott, SJ Cowling, JW Goodby… - Physical Chemistry …, 2017 - pubs.rsc.org
An assessment of five different definitions of the principal molecular axis along which
molecules align in a nematic liquid crystal system has been made by analysing fully …

Let digons be bygones: The fate of excitons in curved π-systems

D Ondarse-Alvarez, T Nelson, JM Lupton… - The journal of …, 2018 - ACS Publications
We explore the diverse origins of unpolarized absorption and emission of molecular
polygons consisting of π-conjugated oligomer chains held in a bent geometry by strain …

When Phenyl and Cyclopropyl Rings Meet: Spectroscopic Shifts and Conformational Questions

L Villani, NR Mohire, EG Robertson - The Journal of Physical …, 2023 - ACS Publications
The electronic and vibrational spectra of cyclopropylbenzene (CPB) and 1, 3-
bromocyclopropylbenzene (BrCPB) in the gas phase were investigated using quantum …

Ground and Electronically Excited Singlet State Structures of the syn and anti Rotamers of 5-Hydroxyindole

O Oeltermann, C Brand, M Wilke… - The Journal of Physical …, 2012 - ACS Publications
The electronic origin bands A and B of 5-hydroxyindole were measured using rotationally
resolved electronic spectroscopy. From comparison of the experimental rotational constants …

Structure-dependent charge transfer in molecular perylene-based donor/acceptor systems and role of side chains

V Belova, A Hinderhofer, C Zeiser… - The Journal of …, 2020 - ACS Publications
In organic electronics and optoelectronics several crucial physical processes are related to
charge transfer (CT) effects. In this work, we investigate mixing behavior and intermolecular …

Conformer selection by matter-wave interference

C Brand, BA Stickler, C Knobloch, A Shayeghi… - Physical review …, 2018 - APS
We establish that matter-wave diffraction at near-resonant ultraviolet optical gratings can be
used to spatially separate individual conformers of complex molecules. Our calculations …