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http://hdl.handle.net/123456789/3173
Title: | Two‐Coordinate Cu(I) and Au(I) Complexes Supported by BICAAC and CAAC Ligands |
Authors: | Manar, K.K. Chakrabortty, Soumyadeep Porwal, Vishal Kumar Prakash, D. Thakur, Sandeep Kumar Choudhury, A.R. Singh, Sanjay |
Keywords: | BICAAC Carbenes Copper Gold Complexes |
Issue Date: | 2020 |
Publisher: | Wiley-Blackwell |
Citation: | ChemistrySelect, 5(32), pp.9900-9907. |
Abstract: | Two-coordinate Cu(I) and Au(I) complexes supported by bicyclic (alkyl)(amino)carbene, [BICAAC-CuCl] (1), [BICAAC-CuI] (2), [(BICAAC)2Cu]+[PF6]– (3) and [(BICAAC)2Au]+[AuCl2]– (6) have been synthesized. The reaction of cyclic (alkyl)(amino)carbene, CAACcy with CuCl afforded [CAACcy-CuCl] (4) and its further reaction with KPF6 gave [(CAACcy)2Cu]+[PF6]– (5). Complexes 1–6 have been characterized by multinuclear NMR, IR and UV-Vis., spectroscopic method and high-resolution mass spectrometry (HRMS). Single crystal X-ray structure of heteroleptic complexes 1 and 4 and homoleptic complexes [(BICAAC)2Cu]+[CuI2]– (2’), 3 and 6 have also been determined. The crystal structure of these complexes confirmed linear two-coordinate geometry around the metal centers. In the solid- state, complexes 1, 2’, 4 and 6 displayed C−H⋯M (M=Cu, Au) and weak non-covalent C−H⋯X (X=Cl, I) and C−H⋯H−C interactions. Computational calculations correlate well to the experimentally observed geometry and help elucidate the absorption characteristics type of transitions and the frontier orbitals involved in them. |
URI: | https://chemistry-europe.onlinelibrary.wiley.com/doi/10.1002/slct.202002295 http://hdl.handle.net/123456789/3173 |
Appears in Collections: | Research Articles |
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