Cadmium(II) Chloride Complex Containing 1-Vinylimidazole Ligand: Structural, Spectroscopic and Thermal Properties

Yıl 2020, Cilt: 13 Sayı: 1, 25 - 32, 20.03.2020

Zuhal Yolcu

https://doi.org/10.18185/erzifbed.566231

Cited By: 1

Öz

In this work
dichlorotetrakis(1-vinylimidazole)cadmium(II), [CdCl₂(vim)₄] complex was synthesized
using 1-vinylimidazole (vim) ligand and CdCl₂. The structure of the
complex was characterized by FT-IR spectroscopy, thermal analysis (TG, DTG,
DTA) and X-ray single crystal studies. In the FT-IR spectrum of the complex,
the characteristic peaks (C−H stretch, C=C and C=N vibration bands) of vim were
observed. X-ray crystallographic data of the titled complex revealed that vim
ligand coordinated to the metal atom via the heterocyclic ring nitrogen atom. The
coordination geometry of the Cd(II) central atom is elongated octahedral. Compound
crystallized in P21/n space group, and the mononuclear units were weakly linked
to each other by C-H⋯Cl hydrogen bonds.
It was determined by thermal analysis data that the complex degraded in four
steps and total mass loss was 99%.

Anahtar Kelimeler

1-Viniylimidazole, Cadmium(II) Complex, Crystal Structure, Thermal Analysis

1-Vinilimidazol Ligantı İçeren Kadmiyum(II) Klorür Kompleksi: Yapısal, Spektroskopik ve Termal Özellikler

Öz

Bu çalışmada 1-vinilimidazol
(vim) ve CdCl₂ kullanılarak; diklorotetrakis(1-vinilimidazol)kadmiyum(II),
[CdCl₂(vim)₄]
kompleksi sentezlendi. Kompleksin yapısı FT-IR spektroskopisi, termal analiz
(TG, DTG, DTA) ve X-ışınları tek kristal çalışmaları ile karakterize edildi. Kompleksin
IR spektrumunda vim ligandna ait karakteristik pikler (C−H gerilme, C=C ve C=N titreşim
bandları) gözlendi. Kompleksin X-ışınları kristallografik verileri komplekste
vim ligantlarının heterosiklik halka azotu üzerinden metal atomuna koordine
olduğunu ortaya koymuştur. Cd(II) merkez atomunun koordinasyon geometrisi uzamış
oktahedraldir. Kompleks P21/n uzay grubunda kristallenmiş ve mononükleer birimler,
C-H⋯Cl hidrojen
bağları
ile birbirlerine zayıf şekilde
bağlanmıştır.
Termal analiz verilerinden kompleksin dört basamakta bozunduğu ve toplam kütle
kaybının % 99 olduğu belirlenmiştir

Anahtar Kelimeler

1-Vinilimidazol, Kadmiyum(II) Kompleksi, Kristal Yapı, Termal Analiz

Kaynakça

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