Dr. Angad Kumar Singh

Synthesis and structural studies of coordination complexes of various hetero- aromatic Schiff bases with 3d and 4f metal ions employing novel synthetic routes and various complementary techniques such as elemental analysis, NMR, IR, UV-VIS spectroscopy, Mass, Magnetic Susceptibility, DSC, XRD etc. were employed for detailed structural characterization.

• Publications:
1. Singh A. K., Kumari S. and Rao T. R. (2011) Synthesis and Spectral Studies on Some 3d Metal Complexes of a Mesogenic Ligand, N-(4’’’-n-butylphenyl)-4-(4’-hexyloxybenzoate) salicylaldimine” Materials Science and Engineering: C, 31, 1144-1147.
2. Singh A. K. , Kumari S., Shakya P. R. and Rao T. R. (2011) Complexes of Some 3d Metal Ions of the Schiff’s Base, N,N’-di-4-(4’-pentyloxybenzoate)salicylidene-1’’,3’’-diamino- 2’’-propanol:Synthesis and Spectral Studies, Materials Science and Engineering: C, 31, 1111-1114.
3. Singh A. K., Kumari S., Kumar K. R, Sridhar B., Miroslaw W., Mroziński J. and Rao T. R. (2009) Complexes of 3d metal ions of the Schiff base, 4-Hydroxy-N’-(4’- octadecyloxybenzylidene)benzohydrazide: Synthesis, Spectral Studies, Crystal Structure and Magnetic Interactions, Polyhedron, 28 2599–2604.
4. Singh A. K., Kumari S, Row T. N. G., Prakash J., Kumar K. R., Sridhar B. and Rao T. R. (2008) Coordination of a Mesogenic Schiff-Base with Mn II , Co II , Ni II , Cu II and Zn II : Synthesis, Spectral Studies and Crystal Structures, Polyhedron, 27, 3710 – 3716.
5. Singh A. K., Kumari S., Kumar K. R., Sridhar B. and Rao T. R. (2008) Ligational Aspects of the Hydrazide-based Schiff base, N-(4’’-pyridyl-carboxamido)-4-(4’- hexyloxybenzoato)salicylaldimine towards some 3d metal ions and Crystal Structures of the Schiff base and Zn(II) Complex, Polyhedron 27, 1937-1941.
6. Singh A. K., Kumari S., Kumar K. R., Sridhar B. and Rao T. R. (2008) Synthesis and Spectral studies of the mesogenic Schiff-base, N,N’-di-(4’-pentyloxybenzoate) salicylidene-l,8-diamino-3,6-dioxaoctane and Crystal Structure of the Zn(II) complex, Polyhedron, 27, 181-186.
7. Shrirame B.S., Geed S.R., Raj A., Prasad S., Rai M.K., Singh A. K., Singh R.S. and Rai B.N. (2018) Optimization of Supercritical Extraction of Coriander (Coriandrum sativum L.) Seed and Characterization of Essential Ingredients, Journal of Essential Oil Bearing Plants 21, 330-344.
8. Dubey R., Yerrasani R., Karunakar M., Singh A. K., Kumar S., Rao T.R.(2018) Synthesis, structural and mesophase characterization of isoindoline-1,3-dione based mesogenic Schiff bases, Journal of Molecular Liquids 251, 142–149.
9. Yerrasani R., Karunakar M., Dubey R., Singh A. K., Rao T.R. (2017) Thermal, optical and Photophysical behaviour of some Mesogenic Benzimidazole -based Schiff-bases, Journal of Molecular Liquids 248, 214–218.
10. Dubey R., Yerrasani R., Karunakar M., Singh A. K., Gupta R., Ganesan V., Rao T.R. (2017) Benzimidazole based mesogenic Schiff-bases: Synthesis and characterization, Journal of Molecular Liquids, 240, 106–114.
11. Karunakar M., Yerrasani R., Singh A. K., Dubey R., and Rao T. R. (2017) Synthesis and spectral studies of some rare earth metal complexes of a heterocyclic mesogenic Schiff- base, Inorganic and Nano-Metal Chemistry, 47, 1260–1265.
12. Karunakar M., Yerrasani R., Dubey R., Singh A. K., Rao T.R.(2016) Lanthanide complexes of a mesogenic Schiff's base having 1,3,4-oxadiazole moiety: Synthesis and characterization, Journal of Molecular Liquids, 222, 377–382.
13. Yerrasani R., Karunakar M., Dubey R., Singh A. K., Nandi R., Singh R. K. and Rao T.R. (2016) Synthesis, characterization and photophysical studies of rare earth metal complexes with a mesogenic Schiff-base, Journal of Molecular Liquids 216, 510–515.
14. Niveshika, Verma E., Mishra A. K., Singh A. K. and Singh V. K. (2016) Structural Elucidation and Molecular Docking of a Novel Antibiotic Compound from Cyanobacterium Nostocsp. MGL001, Frontiers in Microbiology, 07, 1-15.
15. Shakya P. R., Singh A. K., and Rao T. R. (2014) Rare Earth Metal Complexes of a Mesogenic Schiff-Base, N,N’-di-(4-decyloxy-salicylidene)-1’, 4’-diaminobutane: Synthesis and Characterization, Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry, 44, 739-747.
16. Shakya P. R., Singh A. K. and Rao T.R. (2012) Complexes of Some 4f Metal Ions of the Mesogenic Schiff-Base, N,N’-di-(4-decyloxy-salicylidene)-1’,3’-diaminobenzene: Synthesis and Spectral Studies, Journal of Coordination Chemistry, 65, 3519-3529.
17. Shakya P. R., Singh A. K. and Rao T.R. (2012) Synthesis and characterization of lanthanide(III) complexes with a mesogenic Schiff- base, N,N'-di-(4-decyloxy- salicylidene)-2',6'-diaminopyridine, Materials Science and Engineering: C, 32, 1906-1911.
18. Kumari S., Singh A. K. and Rao T.R. (2012) Complexes of some rare earth metal ions of the mesogenic Schiff-base, N,N′-di-(4′-octyloxybenzoate-salicylidene)-l″,8″-diamino- 3″,6″-dioxaoctane: Synthesis and spectral studies, Materials Science and Engineering: C, 32, 1146–1151.
19. Shakya P. R., Singh A. K. and Rao T.R. (2011) Homo dinuclear Lanthanide (III) complexes of a mesogenic Schiff-base, N,N’-di-(4-decyloxy-salicylidene)-1’,6’- diaminohexane: synthesis and characterization, Spectrochimica Acta: A.,79 1654-1659.
20. Kumari S., Singh A. K. and Rao T.R. (2009) Mesogenic Lanthanoid Metal Complexes of a Non-mesogenic Schiff-base, N,N’-di-(4-hexadecyloxy-salicylidene)-l’,8’-diamino-3’,6’- dioxa-octane, Materials Science and Engineering: C, 29, 2454-2458.
21. Kumari S., Singh A. K., K. Kumar R., Sridhar B. and Rao T.R. (2009) Crystal Structure and Ligational Aspects of the Mesogenic Schiff-base, N,N’-di-(4-hexadecyloxy)- salicylidenediaminoethane with Some Rare Earth Metal Ions, Inorganica Chimica Acta, 362, 4205–4211.
22. Prasad A., Rao C. P., Mohan S., Singh A. K., Prakash R. and Rao T. R. (2009) Synthesis, Spectral and Electrochemical Studies of Co(II) and Zn(II) Complexes of a Novel Schiff base Derived from Pyridoxal, Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry 39, 129–132.

• Awards:
• NET(CSIR) Dec.2001
• GATE 2001
• DSK-PDF (UGC): Feb 2012-Feb 2015
• Research Associate (CSIR) : April 2009 –Sept. 2011
• SRF-Extended (CSIR): Oct. 2008 – March 2009
• Projects: DST Young Scientist, Molecular Fabrication of Luminosity-sensing Soft Materials (SERB) 2015-2018 of Rs. 30 Lakh.

• Instrument Handling and various types of NMR spectral recording techniques on Bruker 500 MHz NMR Spectrometer
• Instrument Handling and various types of NMR spectral recording techniques on JEOL 300 MHz NMR Spectrometer
• Instrument Handling, data collection on OXFORD Diffraction single crystal diffractometer and structure determination and refinement techniques.