- 作者: Tahsin J. Chowa, Shou-Shun Liua, Kai-Ming Chib and Kuan-Jiuh Lina
- 作者服務機構: Institute of Chemistry, Academia Sinica, Taipei, Taiwan 115, R.O.C.
- 中文摘要: Reactions of silver(I) and copper(I) 1,1,1,5,5,5-hexafluoroacetylacetonate (hfacac) with dienes 1, 2 and 3 resulted in some stable complexes. All of them showed an equal molar ratio of hfacac to diene per coordinated metal ion. The structure of Ag(hfacac)(1)(THF) 6 was solved by X-ray diffraction analysis. The complex crystallized in the monoclinic space group P21/n with a = 6.342(3), b = 32.891(7), c = 11.680(2) A, and z = 4. It was mononuclear with inclusion of a solvent molecule. Since the C2v symmetry of 3 retained upon forming both silver(I) and Cu(I) complexes, a fast equilibrium of dissociation/recombination must have happened in the solutions. The changes of 1H and 13C NMR chemical shifts caused by coordination were measured.
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