Bis{3-(2-amino-benzilimino)-pentan-2-on oksimato}kobalt(III) sakkarinat monohidrat kompleksinin sentezi, karakterizasyonu ve termal özellikleri

Hasene Mutlu Gençkal

Öz


Bu çalışmada, Na(sac) (sac: sakkarinat) varlığında kobalt(II) klorür ile 1-(2-etil-1,2,3,4-tetrahidro-kinazolin-2-il)-etanon oksimin (HL) tepkimesinden [Co(HL')2](sac)·H2O kompleksi elde edildi.  Bu yeni kompleksin yapısal aydınlatması elementel analiz, spektroskopik yöntemler (UV-Vis., FT-IR, 1H-NMR, 13C-NMR ve LC-MS) ve teermal analiz yöntemleri (TG-DTA) ile gerçekleştirildi.  Elde edilen sonuçlar kompleks oluşumu sırasında ligandın halka açılma tepkimesine uğradığını ve zincir tautomerinin bir N,N,N-verici olarak davrandığını göstermektedir.   Co(III) iyonu ile iki HL' ligandının koordinasyonundan oluşan bu katyonik komplekste, sac anyonu tamamlayıcı iyon olarak koordinasyon küresinin dışında yer almaktadır.

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