Author

Venugopal Thanikachalam

Observed names: Thanikachalam Venugopal, Thanikachalam, V., V. Thanikachalam

Observed institution: Annamalai University

ORCID: 0000-0003-1076-6272

Observed ORCID: 0000-0003-1076-6272

OpenAlex ID: A5102860895

Vibrational spectroscopic study and NBO analysis on bis(4-amino-5-mercapto-1,2,4-triazol-3-yl) methane using DFT method

2010 · S. Subashchandrabose, Akhil R. Krishnan, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 55

Physicochemical studies of molecular hyperpolarizability of imidazole derivatives

2011 · Jayaraman Jayabharathi, Venugopal Thanikachalam, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 47

FT-IR, FT-Raman, NMR spectral analysis and theoretical NBO, HOMO–LUMO analysis of bis(4-amino-5-mercapto-1,2,4-triazol-3-yl)ethane by ab initio HF and DFT methods

2010 · S. Subashchandrabose, Akhil R. Krishnan, et al. · Journal of Molecular Structure · 43

Molecular structure, vibrational spectral assignments (FT-IR and FT-Raman), UV-Vis, NMR, NBO, HOMO-LUMO and NLO properties of 3t-pentyl-2r,6c-diphenylpiperidin-4-one picrate based on DFT calculations

2015 · S. Savithiri, M. Arockia doss, et al. · Journal of Molecular Structure · 42

Computational studies of 1,2-disubstituted benzimidazole derivatives

2012 · J. Jayabharathi, V. Thanikachalam, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 41

Spectroscopic (FT-IR, FT-Raman) and quantum mechanical studies of 3t-pentyl-2r,6c-diphenylpiperidin-4-one thiosemicarbazone

2014 · S. Savithiri, M. Arockia doss, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 40

Synthesis, spectroscopic (FT-IR, FT-Raman, UV and NMR) and computational studies on 3t-pentyl-2r,6c-diphenylpiperidin-4-one semicarbazone

2015 · M. Arockia doss, S. Savithiri, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 35

Optical properties of 1,2-diaryl benzimidazole derivatives – A combined experimental and theoretical studies

2013 · J. Jayabharathi, V. Thanikachalam, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 31

Physiochemical properties of organic nonlinear optical crystal from combined experimental and theoretical studies

2010 · J. Jayabharathi, V. Thanikachalam, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 29

Synthesis, spectroscopic (UV–Vis, FT-IR and NMR), single crystal XRD of 3,5-diethyl -2,6-di(thiophen-2-yl)piperidin-4-on-1-ium picrate: A comprehensive experimental and computational study

2016 · M. Arockia doss, G. Rajarajan, et al. · Journal of Molecular Structure · 28

FT-Raman, FT-IR spectral and DFT studies on (E)-1-4-nitrobenzylidenethiocarbonohydrazide

2011 · V. Thanikachalam, V. Periyanayagasamy, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 28

Synthesis, spectral, stereochemical, single crystal XRD and biological studies of 3t-pentyl-2r,6c-diarylpiperidin-4-one picrate derivatives

2014 · S. Savithiri, M. Arockia doss, et al. · Journal of Molecular Structure · 26

Photophysical studies of some heterocyclic chromophores as potential NLO materials

2011 · Jayaraman Jayabharathi, Venugopal Thanikachalam, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 26

Characterization, photophysical and DFT calculation study on 2-(2,4-difluorophenyl)-1-(4-methoxyphenyl)-1H-imidazo[4,5-f][1,10]phenanthroline ligand

2012 · Jayaraman Jayabharathi, Venugopal Thanikachalam, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 25

Structural, vibrational and hyperpolarizability calculation of (E)-2-(2-hydroxybenzylideneamino)-3-methylbutanoic acid

2011 · S. Subashchandrabose, H. Saleem, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 25

Synthesis, electronic structure investigation of 3-pentyl-2,6-di(furan-2-yl)piperidin-4-one by FT-IR, FT-Raman and UV–Visible spectral studies and ab initio/DFT calculations

2015 · M. Arockia doss, S. Savithiri, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 24

Physicochemical and solvatochromic analysis of an imidazole derivative as NLO material

2011 · Jayaraman Jayabharathi, Venugopal Thanikachalam, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 24

Physico-chemical studies of fused phenanthrimidazole derivative as sensitive NLO material

2012 · Jayaraman Jayabharathi, Venugopal Thanikachalam, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 20

Physicochemical studies of bioactive heterocycles of some novel imidazole derivatives as sensitive NLO materials

2011 · Jayaraman Jayabharathi, Venugopal Thanikachalam, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 20

Photophysical studies of fused phenanthrimidazole derivatives as versatile π-conjugated systems for potential NLO applications

2012 · Jayaraman Jayabharathi, Venugopal Thanikachalam, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 19

Thermal and optical properties of Cu(II)-doped magnesium rubidium sulfate hexahydrate crystals

2011 · H. Anandalakshmi, S. Parthiban, et al. · Journal of Thermal Analysis and Calorimetry · 19

FT-IR, FT-Raman spectral and conformational studies on (E)-2-(2-hydroxybenzylidenamino)-3-(1H-indol-3yl) propionic acid

2012 · H. Saleem, S. Subashchandrabose, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 18

Optical properties of organic nonlinear optical crystal—A combined experimental and theoretical study

2011 · Jayaraman Jayabharathi, Venugopal Thanikachalam, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 17

The synthesis of 3-ethyl-5-methyl-2,6-diarylpiperidin-4-on-1-ium picrates and their spectral, XRD and theoretical studies

2019 · S. Amala, G. Rajarajan, et al. · New Journal of Chemistry · 16

Optical and theoretical studies on Fe 3 O 4 –imidazole nanocomposite and clusters

2015 · Jayaraman Jayabharathi, Periyasamy Ramanathan, et al. · New Journal of Chemistry · 16

Works count: 46

Citation count: 799

H-index: 19

I10-index: 28