期刊
INORGANIC CHEMISTRY
卷 50, 期 9, 页码 4021-4028出版社
AMER CHEMICAL SOC
DOI: 10.1021/ic102516g
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资金
- University of Oxford
- EPSRC
- Diamond Light Source [MT1858]
- Engineering and Physical Sciences Research Council [EP/F00186X/1] Funding Source: researchfish
- EPSRC [EP/F00186X/1] Funding Source: UKRI
Ethylenediamine (en) solutions of K3P7 and 2,2,2-crypt (4,7,13,16,21,24-hexaoxa-1,10-diazabicyclo [8.8.8] hexacosane) were reacted with the homoleptic group 11 complexes [M(nbe)(3)][SbF6] (M = Ag, Au; nbe = norbornene) yielding two novel cluster anions, [M-2(HP7)(2)](2-) both of which were isolated in low crystalline yields as [K(2,2,2-crypt)](2) [M-2(HP7)(2)] (M = Ag (1) and Au (2)). Optimization of the reaction conditions by incorporation of a proton source (ammonium tetraphenylborate) and the replacement of the light-sensitive nbe adducts of silver and gold with the chloride salts MCl (M = Ag Au) was found to greatly increase the yield and purity in which 1 and 2 were isolated. Compounds 1 and 2 were characterized by single crystal X-ray diffraction, electrospray ionization mass-spectrometry (ESI- MS), elemental analysis, and H-1 and P-31 NMR spectroscopy. Density functional theory (DFT) calculations on the cluster anions were also conducted.
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