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Journals / Hacettepe Journal of Biology and Chemistry / 2026 / Volume: 45 Issue: 1

A Crystallographic, EPR and DFT Investigations of a Novel Magnetically Silent Mono-atom Acetate-Bridged Binuclear Schiff Base-Copper II Complex

Yeni Bir Manyetik Tek-atom Asetat Köprülü Schiff Bazı -Bakır II Kompleksinin Kristallografik, EPR ve DFT ile İncelenmesi

Serkan Demir(Department of Industrial Engineering, Faculty of Engineering, Giresun University, Giresun, Turkey.)
Yusuf Yerli(Yıldız Technical University, Science and Arts Faculty, Physics Department, İstanbul, Turkey.)
Mustafa Öztürk(Gebze Institute of Technology, Faculty of Science, Department of Physics, Kocaeli, Turkey.)
Hasan Saral(Sinop University, Engineering Faculty, Metallurgical and Material Engineering, Sinop, Turkey)
Ersin Temel(Department of Electricity and Energy, Vocational School of Technical Sciences, Giresun University, Giresun, Turkey)
Serkan Başgel(Laboratory Department, Middle Mediterranean Department of Customs and Trade, Ministry of Customs and Trade, Mersin, Turkey.)
Pages
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Publication Date
2017-03-01
DOI
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AI Summary & Key Takeaways

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

The existence of a trivial ferromagnetic exchange which is quantitatively ignorable has been suggested by DFT-Broken Symmetry calculations performed at crystallographically characterized experimental geometry.

📌 3 Key Takeaways

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Objective & Hypothesis:Arecent example of one-atom acetate bridged symmetric dinuclear copper II complexes, Di-μ-acetato-bis{1- pyridin-2-ylmethylimino methyl naphthoxo}copper II [Cu2 NP 2 Ac 2]•2MetOH 1 HNP=1- pyridin-2-ylmethylimino methyl naphthol have been prepared and characterized by X-ray crystallography, Elemental analyses, ESI-mass, UV-Vis and IR spectroscopic techniques.
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Key Findings & Data:Magnetic properties of the complex have been probed by EPR measurements and the presence of spin-only paramagnetism of the compound with none of significant exchange coupling has been demonstrated unlike ferro or antiferromagnetism that was otherwise observed in all other analogous structures previously reported.
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Conclusion & Impact:The existence of a trivial ferromagnetic exchange which is quantitatively ignorable has been suggested by DFT-Broken Symmetry calculations performed at crystallographically characterized experimental geometry.
🔬Design:Article
📍Scope:Comprehensive Sample
⚙️Variables:Mono-atom bridged copper II complex · Broken-symmetry approach · Schiff base-Copper II complex

Abstract

Arecent example of one-atom acetate bridged symmetric dinuclear copper II complexes, Di-μ-acetato-bis{1- pyridin-2-ylmethylimino methyl naphthoxo}copper II [Cu2 NP 2 Ac 2]•2MetOH 1 HNP=1- pyridin-2-ylmethylimino methyl naphthol have been prepared and characterized by X-ray crystallography, Elemental analyses, ESI-mass, UV-Vis and IR spectroscopic techniques. Magnetic properties of the complex have been probed by EPR measurements and the presence of spin-only paramagnetism of the compound with none of significant exchange coupling has been demonstrated unlike ferro or antiferromagnetism that was otherwise observed in all other analogous structures previously reported. The existence of a trivial ferromagnetic exchange which is quantitatively ignorable has been suggested by DFT-Broken Symmetry calculations performed at crystallographically characterized experimental geometry.

Özet

T ek-atom asetat köprülü simetrik dinükleer-bakır II komplekslerine yeni bir örnek olarak Di-µ-asetato-bis{1 piridin-2-ilmetilimino metil naftokso}bakır II [Cu2 NP 2 Ac 2]•2MetOH 1 HNP=1- piridin-2-ilmetilimino metil naftol kompleksi sentezlendi ve X-ışını kristallografisi, elementel analiz, ESI-kütle, UV-Vis ve IR spektroskopik tekniklerle karakterize edildi. Kompleksin manyetik özellikleri EPR spektroskopisi tekniği ile incelendi ve daha önce çalışılmış diğer tüm benzer yapılarda görülen ferro- ya da antiferromanyetizmden farklı olarak sadece spine bağlı paramanyetizmin varlığı, önemli bir manyetik değiş-tokuşun gözlenmemesine bağlı olarak belirlendi. Büyüklük olarak önemsenmeyecek derecede küçük olan ferromanyetik etkileşimin varlığı ise kristal geometride gerçekleştirilen DFT-kırılmış simetri hesaplamaları ile belirlendi

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Cite This Article

Demir, S., Yerli, Y., Öztürk, M., Saral, H., Temel, E., Başgel, S. (2017). A Crystallographic, EPR and DFT Investigations of a Novel Magnetically Silent Mono-atom Acetate-Bridged Binuclear Schiff Base-Copper II Complex. Hacettepe Journal of Biology and Chemistry, Volume: 45 Issue: 1. https://ajindex.com/articles/1270752

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