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Journals / Caucasian Journal of Science / 2019 / Cilt: 6 Sayı: 2

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

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

Füreya Elif Özbek(KAFKAS ÜNİVERSİTESİ)0000-0001-6376-4161
Pages
124–136
Publication Date
2019-12-27
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The thermal decomposition product of the complexes was determined as copper (II) oxide.

📌 3 Key Takeaways

🎯
Objective & Hypothesis: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.
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Key Findings & Data:The general formulas of the complexes were determined as [Cu( p -F-C 6 H 4 COO) 2 (C 10 H 14 N 2 O) 2 (H 2 O)] ( I ), [Cu( p -Cl-C 6 H 4 COO) 2 (C 10 H 14 N 2 O) 2 (H 2 O) 2 ] ( II ) ve [Cu( p -Br-C 6 H 4 COO) 2 (H 2 O) 2 ] ( III ).
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Conclusion & Impact:The thermal decomposition product of the complexes was determined as copper (II) oxide.
🔬Design:Araştırma Makalesi
📍Scope:Comprehensive Sample
⚙️Variables:Bakır kompleksleri · p-Florobenzoik Asit · p-Klorobenzoik Asit

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-C 6 H 4 COO) 2 (C 10 H 14 N 2 O) 2 (H 2 O)] ( I ), [Cu( p -Cl-C 6 H 4 COO) 2 (C 10 H 14 N 2 O) 2 (H 2 O) 2 ] ( II ) ve [Cu( p -Br-C 6 H 4 COO) 2 (H 2 O) 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.

Özet

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-C 6 H 4 COO) 2 (C 10 H 14 N 2 O) 2 (H 2 O)] ( I ), [Cu( p -Cl-C 6 H 4 COO) 2 (C 10 H 14 N 2 O) 2 (H 2 O) 2 ] ( II ) ve [Cu( p -Br-C 6 H 4 COO) 2 (H 2 O) 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.

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Cite This Article

Özbek, F. E. (2019). Synthesis and Spectroscopic and Thermal Properties of N,N'-Diethylnicotinamide Complexes of Cu(II) p-Fluoro-, p-Chloro- and p-Bromobenzoates. Caucasian Journal of Science, Cilt: 6 Sayı: 2, 124–136. https://ajindex.com/articles/1468917

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