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|Title:||Coordination polymers and supramolecular structures in Ag(I)triflate-dppf systems (dppf=1,1′-bis(diphenylphosphino) ferrocene)|
Andy Hor, T.S.
dppf ≡ 1,1′-bis(diphenylphosphino)ferrocene
|Citation:||Lu, X.L., Leong, W.K., Andy Hor, T.S., Goh, L.Y. (2004-05-15). Coordination polymers and supramolecular structures in Ag(I)triflate-dppf systems (dppf=1,1′-bis(diphenylphosphino) ferrocene). Journal of Organometallic Chemistry 689 (10) : 1746-1756. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jorganchem.2004.02.022|
|Abstract:||The interaction of silver triflate (OTf-=SO3 (CF3)-) and dppf [(C5H4 PPh2)2Fe)] gave different complexes, depending on the stoichiometric proportions and reaction conditions. Under limiting dppf conditions, three different forms (1-3) of [Ag2(OTf)2(dppf)]x were isolated. Single crystal X-ray diffraction analyses showed that the structure of 1 (x=2n) consists of a 2-D polymer comprising a tetra-silver basic unit, while that of 2 (x=2) possesses a discrete tetra-silver framework and that of 3 (x=n) is a linear polymer based on a di-silver repeating unit. The structures are supported by bridging dppf ligands and triflate groups. The crystal lattices of the compounds are stabilized by extensive intermolecular C-H⋯X hydrogen bonding (H=ring proton of Cp or Ph of dpppf; X=O or F of OTf). [Ag(dppf)(OTf)] (4) and the structurally characterized mononuclear [Ag(dppf)2](OTf) (5) were the sole products obtained from treatment of AgOTf with dppf in molar ratios of 1:1 and 1:2, respectively. © 2004 Elsevier B.V. All rights reserved.|
|Source Title:||Journal of Organometallic Chemistry|
|Appears in Collections:||Staff Publications|
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