Crystal structure of bis(triphenylphosphine) bis(N,N′-dibutylthiourea)silver(I) nitrate |
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| Authors: | T Rüffer H Lang S Nawaz A A Isab S Ahmad and M M Athar |
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| Institution: | (1) Department of Chemistry, Government College University, Lahore, 54000, Pakistan;(2) Department of Chemistry, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia;(3) Lehrstuhl f?r Anorganische Chemie, Institut f?r Chemie, Technische Universit?t Chemnitz, Stra?e der Nationen 62, 09111 Chemnitz, Germany;(4) Department of Chemistry, University of Engineering and Technology, Lahore, 54890, Pakistan;(5) Department of Zoology, University of the Punjab, Lahore, Pakistan; |
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| Abstract: | A mixed-ligand silver(I) complex of triphenylphosphine and N,N′-dibutylthiourea (Dbtu), Ag(Ph3P)2(Dbtu)2]NO3, is prepared and its structure in the solid state is determined by X-ray crystallography. X-ray structure of this complex
shows that it is mononuclear with the silver atom coordinated by two PPh3 and two dibutylthiourea ligands adopting a distorted tetrahedral geometry. The crystal structure shows the formation of 1-D
chains through intermolecular hydrogen bonding interactions between N-H of Dbtu and nitrate ions. The new complex is also
characterized by IR and NMR (1H and 31P) spectroscopy. The spectroscopic data are discussed in terms of the nature of bonding. A similar mixedligand complex is
also prepared for tetramethylthiourea (Tmtu), but the structure of the resulting compound shows that it is a bis(phosphine)
complex, Ag(PPh3)2NO3] rather than a mixed-ligand complex. |
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