THE INVESTIGATION OF HOFMANN TYPE COMPLEXES OF M(O-AMINOTHIOPHENOL)NI(CN)4 (M = CD AND HG) BY FT-IR SPECTROSCOPY

Year 2016, Issue: 037, 47 - 56, 30.12.2017

Zeki Kartal Abdulkerim Yavuz

Abstract

In this study, Hofmann Type complexes of o-Aminothiophenol–tetracyanonickel, given by the general formula M(o-Aminothiophenol)Ni(CN)₄ (M = Cd and Hg),
is obtained for the first time through chemical methods. The FT-IR
spectroscopic data in the region of (4000–400) cm^-1 was recorded and the IR
frequencies were given and explained in detail. The spectral analyses, results
of the newly synthesized complex of o–Aminothiophenol tetracyanonickel suggest that these complexes
are new examples of the Hofmann–type complex. In our study, the Hofmann-type complex formed by bounding
electrons of sulfur and nitrogen atoms of o–Aminothiophenol (2ATP) ligand molecule to transition
metal atoms consist of the corrugated |M–Ni(CN)₄|_∞ polymeric
layers which are held in parallel through the chain of (–M–2ATP–M–).

Keywords

Molecular Spectroscopy, Infrared Spectroscopy, Hofmann-type Complexes, o-Aminothiophenol (2ATP)

HOFMANN TİPİ M(O-AMİNOTİYOFENOL)Nİ(CN)4 (M = CD VE HG) KOMPLEKSLERİNİN FT-IR SPEKTROSKOPİSİ İLE İNCELENMESİ

Abstract

Bu
çalışmada, genel formülü M(o-Aminotiyofenol)Ni(CN)₄
(M = Cd ve Hg) olan Hofmann-tipi kompleksler kimyasal yollardan ilk kez elde
edildi.  Elde edilen komplekslerin
infrared spektrumları (4000–400) cm^-1 spektroskopik bölgesinde
alınarak soğurma titreşim modları belirlendi ve onların tanımlamaları yapıldı.
Bu sonuçlar literatürde yer alan diğer Hofmann-tipi komplekslerle
karşılaştırıldı ve benzer sonuçlar gözlendi. Bu çalışmamızdaki Hofmann tipi komplekslerin
o-Aminotiyofenol (2ATP) ligand
molekülünün kükürt ve azot atomları üzerinden geçiş metali atomlarına
bağlanmasıyla oluştuğu ve |M–Ni(CN)₄|_¥  polimerik tabakalarının ise (–M–2ATP–M–)
zincirleri tarafından paralel halde tutulduğu düşünülmektedir.  Bu çalışma sonucunda Hofmann-tipi komplekslere
iki yeni örnek kazandırılmıştır.

Keywords

Moleküler Spektroskopi, İnfrared Spektroskopisi, Hofmann-Tipi kompleksler, o-Aminotiyofenol (2ATP)

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