Fluorinated liquid crystals: design of soft nanostructures and increased complexity of self-assembly by perfluorinated segments

C Tschierske - Liquid crystals: materials design and self-assembly, 2012 - Springer
The effects of perfluorinated and semiperfluorinated hydrocarbon units on the self-assembly
of rod-like, disc-like, polycatenar, taper-and star-shaped, dendritic, and bent-core liquid …

A density-functional model of the dispersion interaction

AD Becke, ER Johnson - The Journal of chemical physics, 2005 - pubs.aip.org
We have recently introduced [J. Chem. Phys. 122, 154104 (2005)] a simple parameter-free
model of the dispersion interaction based on the instantaneous in space, dipole moment of …

A post-Hartree-Fock model of intermolecular interactions: Inclusion of higher-order corrections

ER Johnson, AD Becke - The Journal of chemical physics, 2006 - pubs.aip.org
We have previously demonstrated that the dipole moment of the exchange hole can be used
to derive intermolecular C 6 dispersion coefficients [J. Chem. Phys. 122, 154104 (2005)] …

Dramatic acceleration of olefin epoxidation in fluorinated alcohols: activation of hydrogen peroxide by multiple H-bond networks

A Berkessel, JA Adrio - Journal of the American Chemical Society, 2006 - ACS Publications
In 1, 1, 1, 3, 3, 3-hexafluoro-2-propanol (HFIP) as solvent, the epoxidation of olefins by
hydrogen peroxide is accelerated up to ca. 100 000-fold (relative to that in 1, 4-dioxane as …

The catalytic effect of fluoroalcohol mixtures depends on domain formation

O Hollóczki, A Berkessel, J Mars, M Mezger… - ACS …, 2017 - ACS Publications
In the present contribution, we investigated catalytically active mixtures of 1, 1, 1, 3, 3, 3-
hexafluoro-2-propanol (HFIP) and aqueous H2O2 by molecular dynamics simulations. It is …

Modeling interactions using all-atom potentials: Failure of the usual combining rules

W Song, PJ Rossky, M Maroncelli - The Journal of chemical physics, 2003 - pubs.aip.org
We have tested the ability of the OPLS–AA models (optimized potentials for liquid
simulations) of alkanes and perfluoroalkanes recently developed by Jorgensen and co …

Interactions in large, polyaromatic hydrocarbon dimers: application of density functional theory with dispersion corrections

ID Mackie, GA DiLabio - The Journal of Physical Chemistry A, 2008 - ACS Publications
The interactions within two models for graphene, coronene and hexabenzocoronene (HBC),
and (H3C (CH2) 5) 6-HBC, a synthesizable model for asphaltenes, were studied using …

Structure and binding energies in van der Waals dimers: Comparison between density functional theory and correlated ab initio methods

ER Johnson, GA DiLabio - Chemical Physics Letters, 2006 - Elsevier
Accurate modeling of complex systems relies on a correct description of van der Waals
interactions. To understand their performance, we have examined six density functionals …

Star-shaped mesogens–hekates: the most basic star structure with three branches

M Lehmann - Liquid Crystals: Materials Design and Self-assembly, 2012 - Springer
The chapter introduces and defines the term star-shaped mesogens as a highly symmetric
subgroup of multipodes. Hekates, the three arm stars, are in the focus of the other sections …

Origin of the Immiscibility of Alkanes and Perfluoroalkanes

R Pollice, P Chen - Journal of the American Chemical Society, 2019 - ACS Publications
Perfluoroalkanes are considered generally to have weak inter-and intramolecular forces
compared to alkanes, explaining their relatively low boiling points, low surface tensions, and …