Molecular and electronic structures of two new Schiff base compounds:(E)-2-bromo-6-[(2-bromo-4-methylphenylimino) methyl]-4-chlorophenol and (E)-2-bromo-6-[(4-bromo-3 …
Yazarlar (3)
Başak Koşar Kırca
Çiğdem Albayrak Kaştaş
Prof. Dr. Cem Cüneyt ERSANLI Sinop Üniversitesi, Türkiye
Makale Türü Özgün Makale (SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale)
Dergi Adı Journal of Molecular Structure (Q3)
Makale Dili Basım Tarihi 10-2021
Cilt / Sayı / Sayfa 1241 / 0 / 130643–0 DOI
Makale Linki https://www.sciencedirect.com/science/article/pii/S0022286021007766
UAK Araştırma Alanları
Yoğun Madde Fiziği
Özet
Two new Schiff base compounds, (E)-2-bromo-6-[(2-bromo-4-methylphenylimino) methyl]-4-chlorophenol, (I) and (E)-2-bromo-6-[(4-bromo-3-methylphenylimino) methyl]-4-chlorophenol (II) have been synthesized and characterized by X-ray single crystal diffraction, FT-IR, UV-Vis and NMR spectroscopic techniques for this study. Moreover, the density functional theory calculations have been performed at the B3LYP method with 6-311G(d,p) basis set. The gas phase geometry optimizations of two possible forms resulting from the prototropic tautomerism of the title compounds have been obtained. While the X-ray and UV-Vis studies show that the compounds adopt OH tautomeric form in the solid state and solvent media, the density functional theory calculations also confirm that the OH tautomeric form is the most stable for both compounds. The crystal structures exhibit both inter- and intra-molecular hydrogen bond …
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