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Journal of Coordination Chemistry Volume 65, 2012 - Issue 19
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Original Articles

Complexes with cis-MoO2 unit of new isothiosemicarbazone

Reza Takjoo Department of Chemistry, School of Sciences, Ferdowsi University of Mashhad, 91775-1436 Mashhad, IranCorrespondence[email protected]
,
Mehdi Ahmadi Department of Chemistry, Payame Noor University (PNU), 19395-4697 Tehran, Iran
,
Alireza Akbari Department of Chemistry, Payame Noor University (PNU), 19395-4697 Tehran, Iran
,
Hadi Amiri Rudbari Dipartimento di Chimica Inorganica, Chimica Analitica e Chimica Fisica, Università di Messina, Salita Sperone, 31 Contrada Papardo, 98166 Messina, Italy
&
Francesco Nicolò Dipartimento di Chimica Inorganica, Chimica Analitica e Chimica Fisica, Università di Messina, Salita Sperone, 31 Contrada Papardo, 98166 Messina, Italy
Pages 3403-3412 | Received 14 Mar 2012, Accepted 08 Jun 2012, Published online: 14 Aug 2012
 
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Abstract

A new 5-bromo-2-hydroxobenzaldehyde S-ethylisothiosemicarbazone hydroiodide free Schiff base (H2L) is synthesized and a series of molybdenum(VI) complexes, MoIVO2LD, have prepared where D can be DMF, DMSO and pyridine. The compounds are characterized with molar conductance, FT-IR, 1H NMR, elemental analyses, and UV-Vis techniques. Structures of complexes are determined with X-ray analysis. All experimental results confirmed that H2L is a tridentate bi-deprotonated ligand (ONN), coordinating through phenolic oxygen, azomethine nitrogen, and isothioamide nitrogen. The neutral complexes are distorted octahedral.

Acknowledgments

Financial assistance received by R.T. from the Ferdowsi University of Mashhad. We thank the Università di Messina (Italy) for the provision of a diffractometer.

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