Synthesis, characterization and photophysical studies of zinc(II) complexes derived from a hydralazine hydrazone

Sunil M. Patil; Ramesh S. Vadavi; Umashri Kendur; Geeta H. Chimmalagi; G. H. Pujar; Suresh D. Kulkarni; M. Nethaji; Sharanappa Nembenna; S. R. Inamdar; Kalagouda B. Gudasi

doi:10.1016/j.jphotochem.2017.10.024

Synthesis, characterization and photophysical studies of zinc(II) complexes derived from a hydralazine hydrazone

Sunil M. Patil, Ramesh S. Vadavi, Umashri Kendur, Geeta H. Chimmalagi, G. H. Pujar, Suresh D. Kulkarni, M. Nethaji, Sharanappa Nembenna, S. R. Inamdar, Kalagouda B. Gudasi

Department of Atomic and Molecular Physics, Manipal

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

In the present study, we report two novel mononuclear zinc(II) complexes (1 and 2) obtained by reacting (E)-1-(phenyl(pyridin-2-yl)methylene)-2-(phthalazin-1-yl)hydrazine (L) with ZnCl₂ and Zn(NO₃)₂∙6H₂O respectively. Photophysical properties of the compounds were studied in both solution and solid phase. The fluorescence absolute quantum yield of the complexes in solution varies in the order 1 (0.01) < 2 (0.030), on the other hand in the solid state it varies in the order 2(0.034) < 1(0.69). Quenching of fluorescence intensity of 2 in the solid-state has been attributed to intense and extensive non-covalent interactions present in the crystal structure. Theoretical calculations, density functional theory (DFT) and time- dependent density functional theory (TD-DFT) were also performed to support the experimental findings.

Original language	English
Pages (from-to)	225-230
Number of pages	6
Journal	Journal of Photochemistry and Photobiology A: Chemistry
Volume	351
DOIs	https://doi.org/10.1016/j.jphotochem.2017.10.024
Publication status	Published - 15-01-2018

All Science Journal Classification (ASJC) codes

Chemistry(all)
Chemical Engineering(all)
Physics and Astronomy(all)

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10.1016/j.jphotochem.2017.10.024

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Patil, S. M., Vadavi, R. S., Kendur, U., Chimmalagi, G. H., Pujar, G. H., Kulkarni, S. D., Nethaji, M., Nembenna, S., Inamdar, S. R., & Gudasi, K. B. (2018). Synthesis, characterization and photophysical studies of zinc(II) complexes derived from a hydralazine hydrazone. Journal of Photochemistry and Photobiology A: Chemistry, 351, 225-230. https://doi.org/10.1016/j.jphotochem.2017.10.024

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title = "Synthesis, characterization and photophysical studies of zinc(II) complexes derived from a hydralazine hydrazone",

abstract = "In the present study, we report two novel mononuclear zinc(II) complexes (1 and 2) obtained by reacting (E)-1-(phenyl(pyridin-2-yl)methylene)-2-(phthalazin-1-yl)hydrazine (L) with ZnCl2 and Zn(NO3)2∙6H2O respectively. Photophysical properties of the compounds were studied in both solution and solid phase. The fluorescence absolute quantum yield of the complexes in solution varies in the order 1 (0.01) < 2 (0.030), on the other hand in the solid state it varies in the order 2(0.034) < 1(0.69). Quenching of fluorescence intensity of 2 in the solid-state has been attributed to intense and extensive non-covalent interactions present in the crystal structure. Theoretical calculations, density functional theory (DFT) and time- dependent density functional theory (TD-DFT) were also performed to support the experimental findings.",

author = "Patil, {Sunil M.} and Vadavi, {Ramesh S.} and Umashri Kendur and Chimmalagi, {Geeta H.} and Pujar, {G. H.} and Kulkarni, {Suresh D.} and M. Nethaji and Sharanappa Nembenna and Inamdar, {S. R.} and Gudasi, {Kalagouda B.}",

year = "2018",

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doi = "10.1016/j.jphotochem.2017.10.024",

language = "English",

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journal = "Journal of Photochemistry and Photobiology A: Chemistry",

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Patil, SM, Vadavi, RS, Kendur, U, Chimmalagi, GH, Pujar, GH, Kulkarni, SD, Nethaji, M, Nembenna, S, Inamdar, SR & Gudasi, KB 2018, 'Synthesis, characterization and photophysical studies of zinc(II) complexes derived from a hydralazine hydrazone', Journal of Photochemistry and Photobiology A: Chemistry, vol. 351, pp. 225-230. https://doi.org/10.1016/j.jphotochem.2017.10.024

TY - JOUR

T1 - Synthesis, characterization and photophysical studies of zinc(II) complexes derived from a hydralazine hydrazone

AU - Patil, Sunil M.

AU - Vadavi, Ramesh S.

AU - Kendur, Umashri

AU - Chimmalagi, Geeta H.

AU - Pujar, G. H.

AU - Kulkarni, Suresh D.

AU - Nethaji, M.

AU - Nembenna, Sharanappa

AU - Inamdar, S. R.

AU - Gudasi, Kalagouda B.

PY - 2018/1/15

Y1 - 2018/1/15

N2 - In the present study, we report two novel mononuclear zinc(II) complexes (1 and 2) obtained by reacting (E)-1-(phenyl(pyridin-2-yl)methylene)-2-(phthalazin-1-yl)hydrazine (L) with ZnCl2 and Zn(NO3)2∙6H2O respectively. Photophysical properties of the compounds were studied in both solution and solid phase. The fluorescence absolute quantum yield of the complexes in solution varies in the order 1 (0.01) < 2 (0.030), on the other hand in the solid state it varies in the order 2(0.034) < 1(0.69). Quenching of fluorescence intensity of 2 in the solid-state has been attributed to intense and extensive non-covalent interactions present in the crystal structure. Theoretical calculations, density functional theory (DFT) and time- dependent density functional theory (TD-DFT) were also performed to support the experimental findings.

AB - In the present study, we report two novel mononuclear zinc(II) complexes (1 and 2) obtained by reacting (E)-1-(phenyl(pyridin-2-yl)methylene)-2-(phthalazin-1-yl)hydrazine (L) with ZnCl2 and Zn(NO3)2∙6H2O respectively. Photophysical properties of the compounds were studied in both solution and solid phase. The fluorescence absolute quantum yield of the complexes in solution varies in the order 1 (0.01) < 2 (0.030), on the other hand in the solid state it varies in the order 2(0.034) < 1(0.69). Quenching of fluorescence intensity of 2 in the solid-state has been attributed to intense and extensive non-covalent interactions present in the crystal structure. Theoretical calculations, density functional theory (DFT) and time- dependent density functional theory (TD-DFT) were also performed to support the experimental findings.

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VL - 351

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JO - Journal of Photochemistry and Photobiology A: Chemistry

JF - Journal of Photochemistry and Photobiology A: Chemistry

ER -

Synthesis, characterization and photophysical studies of zinc(II) complexes derived from a hydralazine hydrazone

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