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X-ray Diffraction: Studies of Substituted Thiourea Complexes of Coinage Metals
Başlık:
X-ray Diffraction: Studies of Substituted Thiourea Complexes of Coinage Metals
Yazar:
Amjad, Amjad, author.
Yazar Ek Girişi:
Fiziksel Tanımlama:
1 electronic resource (114 pages)
Genel Not:
Source: Dissertation Abstracts International, Volume: 76-09C.
Advisors: Robin Pritchard.
Özet:
In this work the fundamental techniques to study the structure of complexes have been discussed. An overview of crystallography and X-ray diffraction is provided to study the complexes. A study of coinage metals like copper and silver bound to substituted thiourea was proposed. Copper was used as Cu(I)Cl and silver was used as AgNO3. Thiourea (tu) and 3-methylbenzothiazole-2-thione (mbtt) have been used as ligands. The reactions were carried out under mild conditions and at a very low concentration of 0.01M. Different solvents were used to prepare solutions. Typically the effect of very low concentration and the use of different solvents on the nature of the product were analysed.The copper complexes like complex 1, O2Cl2[Cu2(mbtt)4], complex 3, Di-2-thienylmethanone, complex 4 between Cu(I)thiourea and Silver complex 2, [Ag(mbtt)(NO3)]n have been synthesized and structurally characterised. The complex 1, complex 2 and complex 3 have been characterised by single crystal X-ray diffraction. X-ray powder diffraction has been used in the characterisation of complex 4. The crystal structure of all these complexes have been determined and not found in crystallographic data. It was found that the complexes show different polymeric and dimeric formation depending on the conditions employed. The structure of the complexes has been explained on the basis of intermolecular forces.
Notlar:
School code: 1543
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Yer Numarası | Demirbaş Numarası | Shelf Location | Lokasyon / Statüsü / İade Tarihi |
---|---|---|---|
XX(693585.1) | 693585-1001 | Proquest E-Tez Koleksiyonu | Arıyor... |
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