Author

R. John Xavier

Observed names: R John Xavier, R.John Xavier, Raju John Xavier

Observed institution: Periyar University

OpenAlex ID: A5081851281

Normal coordinate analysis of 2-mercapto and 4,6-dihydroxy -2-mercapto pyrimidines

2003 · V. Krishnakumar, R. John Xavier · Indian Journal of Pure & Applied Physics · 156

FT Raman and FT–IR spectral studies of 3-mercapto-1,2,4-triazole

2003 · V Krishnakumar, R.John Xavier · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 155

Density functional theory calculations and vibrational spectra of 3,5-dibromopyridine and 3,5-dichloro-2,4,6-trifluoropyridine

2004 · V. Krishnakumar, R.John Xavier · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 113

Normal coordinate analysis of vibrational spectra of 2-methylindoline and 5-hydroxyindane

2003 · V. Krishnakumar, R. John Xavier · Indian Journal of Pure & Applied Physics · 93

Analysis of vibrational spectra of 4-amino-2,6-dichloropyridine and 2-chloro-3,5-dinitropyridine based on density functional theory calculations

2005 · V. Krishnakumar, S. Dheivamalar, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 86

FTIR, FT-Raman, scaled quantum chemical studies of the structure and vibrational spectra of 1,5-dinitronaphthalene

2008 · M. Arivazhagan, V. Krishnakumar, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 65

FT-IR, FT-Raman, ab initio and DFT studies, HOMO–LUMO and NBO analysis of 3-amino-5-mercapto-1,2,4-triazole

2011 · R. John Xavier, E. Gobinath · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 64

Facile synthesis of multifunctional silver nanoparticles using mangrove plant Excoecaria agallocha L. for its antibacterial, antioxidant and cytotoxic effects

2016 · R. Bhuvaneswari, R. John Xavier, et al. · Journal of Parasitic Diseases · 62

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Spectroscopic (FTIR, FT-Raman, 13C and 1H NMR) investigation, molecular electrostatic potential, polarizability and first-order hyperpolarizability, FMO and NBO analysis of 1-methyl-2-imidazolethiol

2013 · R. John Xavier, P. Dinesh · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 49

Molecular and vibrational structure of 2-mercapto pyrimidine and 2,4-diamino-6-hydroxy-5-nitroso pyrimidine: FT-IR, FT-Raman and quantum chemical calculations

2005 · V. Krishnakumar, R. John Xavier · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 48

Vibrational analysis of 1,4-diaminoanthraquinone and 1,5-dichloroanthraquinone

2004 · V. Krishnakumar, R. John Xavier · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 43

Larvicidal property of green synthesized silver nanoparticles against vector mosquitoes (Anopheles stephensi and Aedes aegypti)

2015 · Rajamani Bhuvaneswari, Raju John Xavier, et al. · Journal of King Saud University - Science · 41

Density functional theory study of vibrational spectra, and assignment of fundamental vibrational modes of succinimide and N-bromosuccinimide

2005 · V. Krishnakumar, R. John Xavier, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 35

Hydrogen bonding and molecular vibrations of 3,5-diamino-1,2,4-triazole

2004 · V.Krishna Kumar, Gabor Keresztury, et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 35

Experimental and theoretical spectroscopic studies, HOMO–LUMO, NBO and NLMO analysis of 3,5-dibromo-2,6-dimethoxy pyridine

2012 · R. John Xavier, E. Gobinath · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 34

Density functional theory study on characterization of 3-chloro-1,2-benzisothiazole

2012 · R. John Xavier, E. Gobinath · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 31

Linear and nonlinear optical properties of N-(3-nitrophenyl) acetamide single crystals

2011 · S. Senthil, S. Pari, et al. · Optik · 31

Conformational stability, vibrational spectra, HOMO–LUMO and NBO analysis of 1,3,4-thiadiazolidine-2,5-dithione with experimental (FT-IR and FT-Raman) techniques and scaled quantum mechanical calculations

2013 · R. John Xavier, P. Dinesh · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 22

Quantum chemical calculations, vibrational studies, HOMO–LUMO and NBO/NLMO analysis of 2-bromo-5-nitrothiazole

2012 · E. Gobinath, R. John Xavier · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 15

Effect of heat-treatment on the structural and optical properties of Cu2S thin films deposited by CBD method

2013 · A. Vasuhi, R. John Xavier, et al. · Journal of Materials Science Materials in Electronics · 13

Vibrational spectroscopic investigations of 4,4-dimethyl-2-oxazoline: A density functional theory approach

2014 · R. John Xavier, A. Prabaharan · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 11

Vibrational spectral analysis of 1-methoxynaphthalene

2010 · R. John Xavier, V. Balachandran, et al. · Indian Journal of Pure & Applied Physics · 11

Scaled quantum chemical studies of the structure and vibrational spectra of 2,4-diaminoquinazoline and 4-amino-2-methylquinoline

2004 · V. Krishnakumar, R. John Xavier · Chemical Physics · 11

Vibrational spectra, monomer, dimer, NBO, HOMO, LUMO and NMR analyses of trans-4-hydroxy-l-proline

2014 · R. John Xavier, P. Dinesh · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 9

Ab initio, density functional computations, FT-IR, FT-Raman and molecular geometry of 4-morpholine carbonitrile

2012 · R. John Xavier, S. Ashok Raj · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 9

Works count: 39

Citation count: 1,291

H-index: 18

I10-index: 23