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Crystal structure of bis(triphenylphosphine) bis(N,N′-dibutylthiourea)silver(I) nitrate

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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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Correspondence to S. Nawaz.

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Original Russian Text Copyright © 2011 by T. Rüffer, H. Lang, S. Nawaz, A. A. Isab, S. Ahmad, and M. M. Athar

The text was submitted by the authors in English. Zhurnal Strukturnoi Khimii, Vol. 52, No. 5, pp. 1050–1054, September–October, 2011.

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Rüffer, T., Lang, H., Nawaz, S. et al. Crystal structure of bis(triphenylphosphine) bis(N,N′-dibutylthiourea)silver(I) nitrate. J Struct Chem 52, 1025–1029 (2011). https://doi.org/10.1134/S0022476611050313

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  • DOI: https://doi.org/10.1134/S0022476611050313

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