Mixed ligand complexes of acesulfame/nicotinamide with earth alkaline metal cations MgII, CaII, BaII and SrII: synthesis and characterization

Year 2014, , 51 - 57, 31.12.2014

Omer Yurdakul Dursun Ali Kose

https://doi.org/10.17350/HJSE19030000008

Cited By: 4

Abstract

In the scope of this study, acesulfame ace, acs -nicotinamide na mixed ligand complexes of Mg II , Ca II , Sr II and Ba II were synthesized for the first time. Possible formulas for complexes were determined as [Mg H2O 4 na 2] acs 2, [Ca H2O 6 na 2] acs 2, [Sr H2O 7 na 2] acs 2, [Ba H2O 7 na 2] acs 2 . It was observed that acesulfame ligands within structure were located two moles each at outer surface of coordination sphere acting as counter-ion allowing the charge balance of structure. The solubility of compounds gaining ionic character in this way was determined as quite well as compared to complex structures. Characterizations of complexes synthesized were performed via melting point analysis, elemental analysis, mass spectroscopy and FT-IR spectroscopy methods. Thermal properties of complexes obtained were determined with tandem TG-DTG and DTA techniques. It was found that the coordination spheres of metal cations within compounds obtained in this study were filled with nicotinamide and aqua ligands

Keywords

Acesulfame, Nicotinamide, Earth Alkaline Metals, Coordination Compound, Thermal Properties.

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