Comprehensive benchmark results for the accuracy of basis sets for anharmonic molecular vibrations

H Mitra, TK Roy - The Journal of Physical Chemistry A, 2020 - ACS Publications
The accuracy and convergence of a series of commonly used split-valence electronic basis
sets are systematically investigated for the anharmonic molecular vibrational spectroscopic …

Reconstructing the infrared spectrum of a peptide from representative conformers of the full canonical ensemble

A Kotobi, L Schwob, GB Vonbun-Feldbauer… - Communications …, 2023 - nature.com
Leucine enkephalin (LeuEnk), a biologically active endogenous opioid pentapeptide, has
been under intense investigation because it is small enough to allow efficient use of …

[HTML][HTML] Physicochemical investigation of anti-COVID19 drugs using several medicinal plants

F Mollaamin - Journal of the Chilean Chemical Society, 2022 - SciELO Chile
The goal of this paper was determining the physical and chemical properties of some
medicinal plants which are used against the Covid19 symptoms. In this work, seven …

[HTML][HTML] Drug design of medicinal plants as a treatment of omicron variant (COVID-19 variant B. 1.1. 529)

F Mollaamin, S Shahriari, M Monajjemi - Journal of the Chilean …, 2022 - SciELO Chile
The aim of this work was identifying the physico-chemical properties of some medicinal
plants which are applied in front of the Omicron Variant (Covid-19 variant B. 1.1. 529) …

Accuracy of different electronic basis set families for anharmonic molecular vibrations: A comprehensive benchmark study

D Sharma, TK Roy - The Journal of Physical Chemistry A, 2023 - ACS Publications
In this work, the accuracy and convergence of different electronic basis set families for the
computation of anharmonic molecular vibrational spectroscopic calculations are …

[HTML][HTML] Scale-free-modeling (harmonic) vibrational frequencies: Assessing accuracy and cost-effectiveness by CBS extrapolation

AJC Varandas - The Journal of Chemical Physics, 2022 - pubs.aip.org
Empirical scaling of calculated vibrational harmonic frequencies is a popular approach used
in the field of molecular sciences. A nonempirical scheme that aims at reducing their basis …

Efficiently calculating anharmonic frequencies of molecular vibration by molecular dynamics trajectory analysis

S Wang - ACS omega, 2019 - ACS Publications
Two efficient methods, the Eckart frame algorithm and the multiorder derivative algorithm, for
vibrational frequency calculation directly based on the raw data of atomic trajectory from the …

Performance of vibrational self-consistent field theory for accurate potential energy surfaces: fundamentals, excited states, and intensities

TK Roy - The Journal of Physical Chemistry A, 2022 - ACS Publications
The performance of vibrational structure calculations beyond harmonic approximation in the
framework of the vibrational self-consistent field method with second-order perturbation …

Silver cluster interactions with tyrosine: towards amino acid detection

AA Buglak, AI Kononov - International Journal of Molecular Sciences, 2022 - mdpi.com
Tyrosine (Tyr) is involved in the synthesis of neurotransmitters, catecholamines, thyroid
hormones, etc. Multiple pathologies are associated with impaired Tyr metabolism. Silver …

Silver cluster interactions with Pterin: Complex structure, binding energies and spectroscopy

AA Buglak, AI Kononov - Spectrochimica Acta Part A: Molecular and …, 2022 - Elsevier
Metal nanoclusters (NCs) are widely present today in biosensing, bioimaging, and
diagnostics due to their small size, great biocompatibility, and sensitivity to the biomolecular …