Zinc(II) complexes of 4-aminoantipyrine (AAP). Crystal structure of [Zn(AAP)2Cl2]


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Abstract

Zinc(II) complexes of 4-aminoantipyrine (AAP), [Zn(AAP)2X2] (X = Cl, I) and [Zn(AAP)(CN)2] · 2H2O were prepared and characterized by elemental analysis, IR and NMR (1H & 13C) spectroscopy. The crystal structure of [Zn(AAP)2Cl2] (1) was determined by X-ray crystallography. The structural analysis of 1 shows that the complex exists as a monomeric nonionic molecule with zinc atom bound to two AAP ligands and two chloride ions adopting a distorted tetrahedral geometry. In [Zn(AAP)2(CN)2] · 2H2O, the appearance of a band at 2162 cm–1 in IR and resonances around 142 ppm in the 13C NMR spectra indicated the binding of cyanide to zinc(II).

About the authors

Muhammad Muhsin Faraz

Department of Chemistry

Email: saeed_a786@hotmail.com
Pakistan, Township, Lahore

Anvarhusein A. Isab

Department of Chemistry

Email: saeed_a786@hotmail.com
Saudi Arabia, Dhahran, 31261

Mshari A. Alotaibi

Department of Chemistry, College of Sciences and Humanities

Email: saeed_a786@hotmail.com
Saudi Arabia, Al-Kharj, 11942

Abdulrahman I. Alharthi

Department of Chemistry, College of Sciences and Humanities

Email: saeed_a786@hotmail.com
Saudi Arabia, Al-Kharj, 11942

Muhammad Nawaz Tahir

Department of Physics

Email: saeed_a786@hotmail.com
Pakistan, Sargodha, 40100

Muhammad Monim-ul-Mehboob

Department of Chemistry

Email: saeed_a786@hotmail.com
Pakistan, Lahore

Saeed Ahmad

Department of Chemistry, College of Sciences and Humanities

Author for correspondence.
Email: saeed_a786@hotmail.com
Saudi Arabia, Al-Kharj, 11942

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