4-(2-Tetrathiafulvalenyl-ethenyl)pyridine (TTF−CH═CH−Py) Radical Cation Salts Containing Poly(β-diketonate) Rare Earth Complexes: Synthesis, Crystal Structure, Photoluminescent and Magnetic Properties
作者:Fabrice Pointillart、Olivier Maury、Yann Le Gal、Stéphane Golhen、Olivier Cador、Lahcène Ouahab
DOI:10.1021/ic901052b
日期:2009.8.3
radical cations. The inorganic and organic networks interact through intermolecular contacts between the pyridine moieties of the TTF−CH═CH−Py•+ radical cations and the Ln(III) ions. The luminescence properties of the Nd(III) ions (9400 cm−1) and fluorescence band of the TTF−CH═CH−Py•+ radical cations (10200 cm−1) have been observed and studied for compound 2. Complexes 2 and 3 are paramagnetic because
氧化还原活性的4-(2-四硫富瓦烯基-乙烯基)吡啶配体(TTF-CH═CH-Py)与三(1,1,1,5,5,5-六氟乙酰丙酮)Ln(III)的反应( Ln = La和Nd)导致分子式为[La(hfac)5 ] [(TTF-CH═CH-Py •+)] 2 }(1),[Nd(hfac)4( H 2 O)] [(TTF-CH═CH-Py •+)]} 2(2)和[Nd(hfac)4(H 2 O)] [(TTF-CH═CH-Py •+) ]} 2(H 2 O)(C 6 H 14)0.5(3)(hfac- = 1,1,1,5,5,5-六氟乙酰丙酮阴离子)。这些化合物的特征在于单晶X射线衍射,光学和磁性测量。化合物1,2,和3结晶的单斜晶Ç 2 / ç,三斜晶系P 1,以及单斜晶P 2 1 / ç空间群,分别。La(III)采用十四面体几何形状,而Nd(III)则位于扭曲的带帽方形反棱镜中。在1中,无机网络由[La(hfac)5