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Dr.S. AYYAPPAN
Dr.S. AYYAPPAN
Assistant Professor of Physics
Verified email at gct.ac.in - Homepage
Title
Cited by
Cited by
Year
FTIR, FT-Raman spectra and ab initio, DFT vibrational analysis of 2, 4-dinitrophenylhydrazine
N Sundaraganesan, S Ayyappan, H Umamaheswari, BD Joshua
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 66 (1 …, 2007
1002007
Molecular structure, vibrational spectra and DFT molecular orbital calculations (TD-DFT and NMR) of the antiproliferative drug Methotrexate
S Ayyappan, N Sundaraganesan, V Aroulmoji, E Murano, S Sebastian
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 77 (1 …, 2010
722010
Molecular structure, NBO and HOMO-LUMO analysis of quercetin on single layer graphene by density functional theory
M Saranya, S Ayyappan, R Nithya, RK Sangeetha, A Gokila
Dig. J. Nanomater. Biostruct 13, 97-105, 2018
572018
Study on conformational stability, molecular structure, vibrational spectra, NBO, TD-DFT, HOMO and LUMO analysis of 3, 5-dinitrosalicylic acid by DFT techniques
S Sebastian, S Sylvestre, J Jayabharathi, S Ayyapan, M Amalanathan, ...
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 136 …, 2015
492015
Vibrational spectra, molecular structure, natural bond orbital, first order hyperpolarizability, TD-DFT and thermodynamic analysis of 4-amino-3-hydroxy-1-naphthalenesulfonic …
S Sebastian, S Sylvestre, N Sundaraganesan, M Amalanathan, ...
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 107, 167-178, 2013
442013
Molecular structure, vibrational spectroscopic studies and NBO analysis of the 3, 5‐dichlorophenylboronic acid molecule by the density functional method
S Ayyappan, N Sundaraganesan, M Kurt, TR Sertbakan, M Özduran
Journal of Raman Spectroscopy 41 (10), 1379-1387, 2010
352010
Novel exfoliated graphitic-C3N4 hybridised ZnBi2O4 (g-C3N4/ZnBi2O4) nanorods for catalytic reduction of 4-Nitrophenol and its antibacterial activity
R Nithya, S Ayyappan
Journal of Photochemistry and Photobiology A: Chemistry 398, 112591, 2020
342020
The spectroscopic (FT-IR, FT-Raman, UV) and first order hyperpolarizability, HOMO and LUMO analysis of 3-aminobenzophenone by density functional method
M Karabacak, M Kurt, M Cinar, S Ayyappan, S Sudha, N Sundaraganesan
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 92, 365-376, 2012
322012
X-ray crystallography characterization, vibrational spectroscopy, NMR spectra and quantum chemical DFT/HF study of N, N′-di (2-methoxyphenyl) formamidine
MK Rofouei, N Sohrabi, M Shamsipur, E Fereyduni, S Ayyappan, ...
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 76 (2 …, 2010
302010
Vibrational spectra (FT-IR and FT-Raman), molecular structure, natural bond orbital, and TD-DFT analysis of L-Asparagine monohydrate by density functional theory approach
S Sylvestre, S Sebastian, S Edwin, M Amalanathan, S Ayyapan, ...
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 133, 190-200, 2014
182014
FT-IR and FT-Raman spectral investigation and DFT computations of pharmaceutical important molecule: ethyl 2-(4-benzoyl-2, 5-dimethylphenoxy) acetate
M Amalanathan, DM Suresh, IH Joe, VB Jothy, S Sebastian, S Ayyapan
Pharm Anal Acta 7 (457), 26-28, 2016
102016
FTIR
N Sundaraganesan, S Ayyappan
FT-Raman spectra and ab initio, DFT vibrational analysis of 2, 17-27, 2007
52007
Enhanced photocatalytic and antimicrobial activities of ultrasound assisted exfoliated graphitic carbon nitride nanorods
R Nithya, N Maheswari, R Sabarish, S Ayyappan
AIP Conference Proceedings 2270 (1), 2020
22020
Structural, Spectral, Thermodynamic and HOMO, LUMO Analysis of 2, 6 dithenobenzene-3-enyl 3, 5 dimethyl piperdine-4-one: A quantum chemical analysis
RK Sangeetha, S Ayyappan
Oriental Journal of Chemistry 37 (6), 1396, 2021
12021
Spectral, Thermal, Optical, Dielectric and DFT Studies on 4-Dimethylaminopyridiniumo-Chloro-P-Nitrobenzoate Single Crystals
A Gokila, S Ayyappan
Tierarztl. Prax. 41, 198-209, 2021
12021
THEORETICAL INVESTIGATION OF MOLECULAR STRUCTURE, HOMO-LUMO, HYPERPOLARIZABILITY, NBO ANALYSIS AND DENSITY OF STATES CALCULATION OF BUTENAFINE
RK Sangeetha, S Ayyappan
Dig J Nanomater Bios 15 (1), 123-131, 2020
12020
Vibrational analysis of hybrid fabric-reinforced polymer matrix curved composite beams
K Jain, BS Kumar, V Gopalan, S Vimalanand, S Ayyappan
Composites: Mechanics, Computations, Applications: An International Journal …, 2018
12018
Influence Of Hydroxyapatite On Zinc Tungstate (Hap/Znwo4) Nanoparticles And Its Antimicrobial Properties
DS Ayyappan
IOSR Journal Of Applied Physics (IOSR-JAP) 15 (6), 16-22, 2023
2023
Quantum chemical insight properties of glyphosine (N, N-Bis (phosphonomethyl) glycine)–a combined hf and density functional study.
A Gokila, S Ayyappan
Digest Journal of Nanomaterials & Biostructures (DJNB) 16 (2), 2021
2021
Optimization of parameters influencing the dynamic behavior of a banana fiber-reinforced hybrid polymer matrix
D Harikrushna, V Gopalan, S Ayyappan
Composites: Mechanics, Computations, Applications: An International Journal …, 2017
2017
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