Cu(II) p-Floro-, p-Kloro- ve p-Bromobenzoatların N,N'-Dietilnikotinamid Komplekslerinin Sentezi, Spektroskopik ve Termik Özellikleri

Year 2019, Volume: 6 Issue: 2, 124 - 136, 27.12.2019

Füreya Elif Özbek

Abstract

Bu çalışmada bakır(II) p-floro-,
p-kloro- ve p-bromobenzoatların N,N'-dietilnikotinamid ligandı içeren üç yeni
karışık ligandlı metal kompleksi sentezlendi ve yapıları incelendi.
Komplekslerin yapılarının tartışılmasında elemental analiz, FT-IR ve UV-Vis
spektroskopisi, termik analiz (TGA-DTA), yöntemlerinden faydalanıldı.
Komplekslerin kapalı formülleri [Cu(p-F-C₆H₄COO)₂(C₁₀H₁₄N₂O)₂(H₂O)]
(I), [Cu(p-Cl-C₆H₄COO)₂(C₁₀H₁₄N₂O)₂(H₂O)₂]
(II) ve [Cu(p-Br-C₆H₄COO)₂(H₂O)₂]
(III) olarak belirlendi. Yapıda p-halojenobenzoatlar ve N,N'-dietilnikotinamid
monodentat olarak koordine olmuştur. Komplekslerin yapısında, metal atomu
çevresinde iki p-halojenobenzoat
anyonundan gelen iki oksijen atomu, iki N,N'-dietilnikotinamid ligandından
gelen iki azot atomu ve iki su molekülünden gelen iki oksijen atomu ile
oktahedral geometri meydana gelmiştir. Bakır: p-halojenobenzoat:N,N'-dietilnikotinamid oranlarının 1:2:2 olduğu
belirlenmiştir. Komplekslerin termal kararlılık sıralaması ise III≥II>I şeklindedir. Komplekslerin
termal bozunma ürünleri ise bakır (II) oksittir.

Keywords

Bakır kompleksleri, p-Florobenzoik Asit, p-Klorobenzoik Asit, p-Bromobenzoik Asit, NN-dietilnikotinamid

Supporting Institution

TÜBİTAK

Project Number

106T472

Thanks

Çalışma 106T472 numaralı TÜBİTAK projesi ile desteklenmiştir. Desteklerinden dolayı TÜBİTAK’a teşekkür ederim.

Synthesis and Spectroscopic and Thermal Properties of N,N'-Diethylnicotinamide Complexes of Cu(II) p-Fluoro-, p-Chloro- and p-Bromobenzoates

Abstract

In this
study, three new mixed ligand metal complexes containing N,N'-diethylnicotinamide
ligand of copper (II) p-fluoro-, p-chloro- and p-bromobenzoates were synthesized and their structures were
investigated. Elemental analysis, FT-IR and UV-Vis spectroscopy, thermal
analysis (TGA-DTA) methods were used to evaluate the structures of the
complexes. The general formulas of
the complexes were determined as [Cu(p-F-C₆H₄COO)₂(C₁₀H₁₄N₂O)₂(H₂O)]
(I), [Cu(p-Cl-C₆H₄COO)₂(C₁₀H₁₄N₂O)₂(H₂O)₂]
(II) ve [Cu(p-Br-C₆H₄COO)₂(H₂O)₂]
(III). In all complexes, p-halogenobenzoates and
N,N'-diethylnicotinamide behave as monodentate ligand. In the complexes, each
metal ion possesses an octahedral geometry with two oxygen atoms of two p-halogenobenzoate anions, two nitrogen
atoms from two N,N'-diethylnicotinamide ligands and two oxygen atoms of two
water molecules. Copper: p-halogenobenzoate: N, N'-diethylnicotinamide ratios
were determined to be 1: 2: 2. The thermal stability of the complexes is
III≥II> I. The thermal decomposition product of the complexes was determined
as copper (II) oxide.

Keywords

Cu Complexes, p-Fluorobenzoic Acid, p-Chlorobenzoic Acid, p-Bromobenzoic Acid, NN-diethylnicotinamide

Project Number

106T472

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