Search results for “Vibrational”

About 7 results in articles

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7 articles

Tetrodotoxin (TTX) Time–Resolved Absorption and Resonance FT–IR and Raman Biospectroscopy and Density Functional Theory (DFT) Investigation of Vibronic–Mode Coupling Structure in Vibrational Spectra Analysis

Jun 2019 DOI 10.14302/issn.2377-2549.jndc-19-2765
Alireza HeidariCorresponding author

Tetrodotoxin (TTX) is a potent neurotoxin. Its name derives from Tetraodontiformes, an order that includes pufferfish, porcupinefish, ocean sunfish, and triggerfish; several of these species carry the toxin. Although tetrodotoxin was discovered in these fish and found in several other aquatic animal…

AB Initio (DFT) and Vibrational Studies of the Synthesized Heterocyclic Compound 2-6-oxo-2-Thioxotetrahydropyrimidin-41H-Ylidene Hydrazine Carbothioamide

Aug 2017 DOI 10.14302/issn.2377-2549.jndc-17-1645
S. ManivarmanCorresponding author

The structure of the newly synthesized hydrazone derivative 2 - 6 – oxo - 2-thioxotetrahydropyrimidin – 4 1H - ylidene hydrazine carbothioamide (OTTHPYHCT)compound is determined by using spectral information and elemental study. Density functional theory (DFT) studies were performed using the B3LYP/…

Molecular Structure and Vibrational Analysis of 2-(4-methoxyphenyl)-2, 3-Dihydro-1H-Perimidine using Density Functional Theory

Apr 2017 DOI 10.14302/issn.2377-2549.jndc-17-1488
H.SaleemCorresponding author Department of Physics, Annamalai University, Annamalainagar 608 002, Tamil Nadu, India

The compound 2-(4-methoxyphenyl)-2, 3-dihydro-1H-perimidine (MPDP) was synthesized. The molecular structure and its functional groups were characterized with the help of Fourier Transform Infrared: FTIR/ Fourier Transform FT-Raman spectra in the regions of 400-4000/50-4000cm-1, respectively. The geo…

Vibrational, Ultra Violet, Natural Bond Orbital Analysis of E-1 using Quantum Mechanical Computations and Experimental Spectra.

Sep 2016 DOI 10.14302/issn.2377-2549.jndc-16-1119
H. SaleemCorresponding author

The FT-IR, FT-Raman and UV-Vis spectra of E-[1-(3'-methylthienyl)-5-Phenyl-2,4-Pentadiene-3-one (MPPO) were recorded. The optimized molecular bond parameters, harmonic frequencies were calculated using B3LYP method with 6-311++G (d,p) basis set.The various normal modes were precisely assigned with t…

Vibrational Spectral Analysis and First Order Hyperpolarizability Calculations on (E)-N′-(furan-2-yl methylene) Nicotinohydrazide

Apr 2016 DOI 10.14302/issn.2377-2549.jndc-16-949
Saleem H.Corresponding author Department of Physics, Annamalai University, Annamalainagar-608 002, Tamil Nadu, India

Vibrational spectral analysis and first order hyperpolarizability calculations on (E)-N′-(furan-2- ylmethylene) nicotinohydrazide (F2CNH), a novel, organic, hydrozone Schiff base compound was synthesized and its structure was characterized by FT-IR, FT-Raman and UV-visible spectrum. The optimized mo…

Molecular Spectroscopy and Molecular Docking Studies on (E)-1-(4-Bromobenzylidene) Thiourea

Feb 2018 DOI 10.14302/issn.2377-2549.jndc-18-1933
Bharanidharan S.Corresponding author Department of Physics, Bharath Institute of Higher Education and Research, Bharath University, Chennai-600 073, India

The organic molecule (E)-1-(4-bromobenzylidene)thiourea (BBTU) have been synthesized and characterized using FT-IR and FT-Raman spectral studies. The quantum chemical calculations of BBTU have been studied using DFT/B3LYP/6-31G(d,p) level of theory. The stable conformer is identified by the potentia…

FT-IR, FT-Raman, Homo-Lumo and UV-Visible Spectral Analysis of E-(N′-(1H-INDOL-3YL) Methylene Isonicotinohydrazide)

May 2017 DOI 10.14302/issn.2377-2549.jndc-17-1459
Saleem H.Corresponding author Department of Physics, Annamalai University, Annamalainagar-608 002, Tamil Nadu, India

A combined experimental and theoretical study on molecular and vibrational structure of E-N¢ (ICINH) had been carried out. The FTIR, FT-Raman and UV-Vis spectra of ICINH were recorded in the solid phase. The optimized geometry was calculated by B3LYP method with 6-311++G(d,p) level of basis set. The…

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