The lead(II) complexes with 18-Crown-6, 1,1,1,5,5,5-hexafluoropentane-2,4-dionate and 1,1,1-trifluoropentate-2,4-dionate anions: Synthesis, structure, and thermochemical properties

被引：0
|
作者：
V. G. Sevast’yanov
M. A. Chistyakov
E. P. Simonenko
G. K. Fukin
N. T. Kuznetsov
机构：
[1] Russian Academy of Sciences,Kurnakov Institute of General and Inorganic Chemistry
[2] Russian Academy of Sciences,Razuvaev Institute of Organometallic Chemistry
来源：
Russian Journal of Coordination Chemistry | 2008年 / 34卷
关键词：
Crown Ether; Coordination Chemistry; Vaporization Enthalpy; Macrocycle Cavity; Analogous Distance;
D O I：
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摘要：
The complexes trans-[Pb(18-crown-6)(NO3)2] (I), trans-[Pb(18-crown-6)(Hfa)2] (II), and [Pb2(18-crown-6)(Tfa)4] (III), where Hhfa is 1,1,1,5,5,5-hexafluoropentane-2,4-dione and Htfa is 1,1,1-trifluoropentane-2,4-dione, were synthesized and identified. The structures of crystals I–III were determined by X-ray diffraction, whereas the melting and decomposition of compounds II, III were studied by the differential scanning calorimetry. The temperature of preparative sublimation of complexes II, III was determined at 10−2 mm Hg. The semiempirical structural-thermochemical approach was used to analyze the parameters of complex II vaporization.
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页码：157 / 166
页数：9
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