Spectroscopic, quantum chemical, and topological calculations of the phenylephrine molecule using density functional theory

M Khadka, M Sah, R Chaudhary, SK Sahani… - Scientific Reports, 2025 - nature.com
Abstract In this work, Density Functional Theory (DFT) on Gaussian 09 W software was
utilized to investigate the phenylephrine (PE) molecule (C9H13NO2). Firstly, the optimized …

Thermodynamics study of biokerosene from coconut and palm kernel oils and JP-8 aircraft fuels in the gas phase by the DFT method

ES Moraes, GF Reis, J Cruz, K Cozzolino… - Journal of Molecular …, 2020 - Springer
In this work, we performed a theoretical density functional theory (DFT) and semi-empirical
(PM3) analysis to calculate thermodynamic properties of biokerosene from coconut and …

DFT and canonical ensemble investigations on the thermodynamic properties of Syngas and natural gas/Syngas mixtures

AFG Neto, FC Marques, AT Amador, ADS Ferreira… - Renewable energy, 2019 - Elsevier
Abstract Density Functional Theory and canonical ensemble were used to investigate
thermodynamic properties of Syngas and its mixture with natural gas. The following …

Density functional theory for the thermodynamic gas-phase investigation of butanol biofuel and its isomers mixed with gasoline and ethanol

MG Martins, T da Silva Arouche, AFG Neto… - Journal of Molecular …, 2021 - Springer
Herein, we present the results of our study on the thermodynamic properties of the isomers
of butanol (n-butanol, 2-butanol, i-butanol, and t-butanol) to evaluate their thermodynamic …

Physical Analysis of Aspirin in Different Phases and States Using Density Functional Theory

M Sah, M Khadka, HP Lamichhane, HS Mallik - Heliyon, 2024 - cell.com
This study analyzed the aspirin molecule (C9H8O4) using Density Functional Theory (DFT)
on Gaussian 09W software. First, the structure of aspirin was optimized using the DFT …

Molecular electronics including temperature effects based on dyes pigments

AT Amador, AFG Neto, JN Cruz… - … of nanoscience and …, 2019 - ingentaconnect.com
In this work we used the Density Functional Theory to study the thermodynamic properties
from Brazilein (BZE) and Brazilin (BZI) molecules, main pigments responsible for the red …

DFT and canonical ensemble investigations of gasoline additives at the gas phase: ETBE, MTBE, DIPE, ethanol and methanol

ILG Pereira, AFG Neto, ES Moraes, BSM Sousa… - Theoretical Chemistry …, 2018 - Springer
A quantum analysis was performed with Density Functional Theory and a canonical
ensemble, in order to predict thermodynamic properties of gasoline with additives at the gas …

Trapping Using Molecular Dynamics of Natural Gas in Carbon Nanotubes Under the External Uniform Electric Field

TS Arouche, JCN Aires, TSS Pereira… - Advanced Science …, 2020 - ingentaconnect.com
We perform behavioral analysis of natural gas and SYNGAS molecules interacting with a
carbon nanotube at an initial simulation temperature of 300 K, and under a uniform electric …

Effect of the electric field on DNA bases as pigments for nanodevices: a first-principles study

AFG Neto, TRR Ramos, BSM Sousa… - … of Nanoscience and …, 2020 - ingentaconnect.com
In this work we used Density Functional Theory to simulate the molecular electronics
behavior of the nitrogenous bases of human DNA under electric field effects. The results can …

[引用][C] Teoria do funcional de densidade e ensemble canônico para análise termodinâmica do gás natural, gás de síntese e de suas misturas

G NETO, A Ferreira - 2018 - Universidade Federal do Pará