Sandwich double-decker Er(<scp>iii</scp>) and Yb(<scp>iii</scp>) complexes containing naphthalocyanine moiety: synthesis and investigation of the effect of a paramagnetic metal center
作者:Tatiana V. Dubinina、Anton D. Kosov、Elizaveta F. Petrusevich、Nataliya E. Borisova、Alexander L. Trigub、George V. Mamin、Ildar F. Gilmutdinov、Artem A. Masitov、Sergey V. Tokarev、Victor E. Pushkarev、Larisa G. Tomilova
DOI:10.1039/c9dt03226f
日期:——
diamagnetic Lu(III) complexes. In the near-IR absorption spectra, an increase in ionic radius from Lu(III) to Er(III) resulted in a bathochromic shift of the intervalence band up to 1473 nm. This work presents the first experimental EPR study of Yb(III) bis naphthalocyaninate, where a set of magnetic parameters and properties (including spin, magnitude and sign of magneticanisotropy parameter D, increased
合成了新型的含有八-苯基或八-苯氧基取代的萘酞菁的杂芳族Er(III)和Yb(III)萘酞菁-酞菁酸酯,并通过1 H NMR,EPR和高分辨率MALDI-TOF / TOF质谱进行了鉴定。进行了新的均化Yb(III)双(八-苯基萘酞菁)的直接合成。与相应的反磁性Lu(III)配合物相比,观察到了镧系元素低场诱导的质子在目标化合物中的转移。在近红外吸收光谱中,从Lu(III)到Er(III)的离子半径增加导致间隔的红移波段高达1473 nm。这项工作是对Yb(III)双萘酞菁酸酯的首次实验性EPR研究,其中一组磁学参数和性质(包括自旋,磁各向异性参数D的自旋,幅度和符号,晶体场中裂变增加,铁磁f-π相互作用等)。)由EPR和SQUID技术确定和解释,并得到理论上的考虑。
Heteroleptic naphthalo-phthalocyaninates of lutetium: synthesis and spectral and conductivity properties
作者:Tatiana V. Dubinina、Anton D. Kosov、Elizaveta F. Petrusevich、Sergey S. Maklakov、Nataliya E. Borisova、Larisa G. Tomilova、Nikolay S. Zefirov
DOI:10.1039/c5dt00635j
日期:——
A series of novel near-IR absorbing heteroleptic complexes were obtained with high yields. The correlation between the nature of the substituents and spectral properties of the target complexes was determined.