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2009
ACL
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F.D.Sokolov, M.G.Babashkina, F.Fayon, A.Rakhmatullin, D.A.Safin, T.Pape, F.E.Hahn, 'Novel Bicyclic Hexanuclear Copper(I) Aggregate. Structure and Solid State 31P CPMAS NMR Spectra of [(Cu3L3)2] and [Cu(PPh3)2L] Complexes of N-(diisopropoxythiophosphinyl)-N'-phenylthiourea (HL)', J. Organomet. Chem. 694 167-172 (2009) doi:10.1016/j.jorganchem.2008.10.010
New complex of N-thiophosphorylthiourea PhNHC(S)NHP(S)(OiPr)2 (HL) of formula [(Cu3L3)2] has been synthesized and characterized by single crystal X-ray diffraction, FT-IR, 1H, 31P NMR in solution and by 31P CPMAS NMR spectroscopy in the solid state. A comparison of the structure and the spectral parameters of [Cu3L3] with those of the mononuclear analogue [Cu(PPh3)2L] was performed. In the solid state the aggregate [(Cu3L3)2] represents the first example of a spontaneous "side-by-side" association of two neutral cyclic [Cu3L3] moieties using two Cu–S–Cu bridges formed by the sulphur atoms of the PS-groups. The values of the 1J(31P–63,65Cu) and 2J(31P–31P) coupling constants of the [Cu(PPh3)2]+ moiety in the solid state spectra are reported.
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