An atomistic simulation for 4-cyano-4′-pentylbiphenyl and its homologue with a reoptimized force field

J Zhang, J Su, H Guo - The Journal of Physical Chemistry B, 2011 - ACS Publications
Liquid crystals playing a crucial role in material sciences show increasing potential
applications in nanotechnology and industry. Generally, thermodynamic and dynamic …

Conformational distribution function of a disaccharide in a liquid crystalline phase determined using NMR spectroscopy

B Stevensson, C Landersjö, G Widmalm… - Journal of the …, 2002 - ACS Publications
A new approach is proposed for analysis of NMR parameters in general, and residual
dipolar couplings in particular. The method, which enables construction of the …

Atomistic simulation of a nematogen using a force field derived from quantum chemical calculations

I Cacelli, G Prampolini, A Tani - The Journal of Physical Chemistry …, 2005 - ACS Publications
Bulk phase atomistic computer simulations of 4-n-pentyl-4 '-cyanobiphenyl (5CB) were
performed with a specific force field obtained from ab initio and DFT calculations. The …

NMR Loschmidt echoes as quantifiers of decoherence in interacting spin systems

CM Sánchez, PR Levstein, RH Acosta… - Physical Review A—Atomic …, 2009 - APS
In this work we present solid-state nuclear magnetic-resonance experiments to study
decoherence in the dynamics of many-spin systems. We characterize the global Loschmidt …

Conformational distribution functions extracted from residual dipolar couplings: A hybrid model based on maximum entropy and molecular field theory

B Stevensson, D Sandström, A Maliniak - The Journal of chemical …, 2003 - pubs.aip.org
This paper describes a new approach for analysis of residual dipolar couplings (RDCs). The
method, which focuses on construction of the conformational distribution function, is applied …

Influence of electrostatic interactions on the properties of cyanobiphenyl liquid crystals predicted from atomistic molecular dynamics simulations

X Wei, JB Hooper, D Bedrov - Liquid Crystals, 2017 - Taylor & Francis
The influence of force field details in all-atom molecular dynamics (MD) simulations on the
predicted thermodynamic, structural, and dynamic properties of bulk 4-cyano-4ʹ …

Intermolecular force fields of large molecules by the fragmentation reconstruction method (FRM): Application to a nematic liquid crystal

M Bizzarri, I Cacelli, G Prampolini… - The Journal of Physical …, 2004 - ACS Publications
A new intermolecular force field for the liquid-crystal-forming molecule 5CB (4-cyano, 4 'n-
pentyl biphenyl) has been derived from two-body interaction energies, obtained by the …

NMR studies of biomolecular dynamics and structural plasticity using residual dipolar couplings

JR Tolman, HM Al-Hashimi - ANNUAL REPORTS OF NMR …, 2003 - books.google.com
Due to their exquisite sensitivity to bond vector orientations and distances, residual dipolar
couplings are emerging as a powerful NMR methodology for probing the conformational …

Structure and dynamics of mesogens using intermolecular potentials derived from ab initio calculations

C Amovilli, I Cacelli, G Cinacchi, L De Gaetani… - Theoretical Chemistry …, 2007 - Springer
A method for the calculation of the two-body intermolecular potential which can be applied to
large molecules is presented. Each monomer is fragmented in a number of moieties whose …

A constrained maximum entropy method in polymer statistics

G La Penna - The Journal of chemical physics, 2003 - pubs.aip.org
A modified version of the maximum entropy principle, called “constrained maximum entropy”
method (MEC), is revisited to combine the information obtained in computer simulations of …