Synthesis and Magnetic Properties of a Nitrogen-Containing Fullerene Dimer

被引：10
|
作者：
Hoermann, Frank [1 ,2 ]
Hirsch, Andreas [1 ,2 ]
Porfyrakis, Kyriakos [3 ]
Briggs, G. Andrew D. [3 ]
机构：
[1] Univ Erlangen Nurnberg, Dept Chem & Pharm, D-91054 Erlangen, Germany
[2] Univ Erlangen Nurnberg, ICMM, D-91054 Erlangen, Germany
[3] Univ Oxford, Dept Mat, Oxford OX1 3PH, England
来源：
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY | 2011年 / 2011卷 / 01期
基金：
英国工程与自然科学研究理事会;
关键词：
Cage compounds; Fullerenes; Endohedral fullerenes; Insertion; Nitrogen; Quantum chemistry; EPR spectroscopy; ATOMIC NITROGEN; C-60; PURIFICATION; EASYSPIN; CAGE;
D O I：
10.1002/ejoc.201000867
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
We report here on the two-step synthesis of fullerene dimer 3 from monomer 2. The structures were confirmed by MALDI mass spectrometry, UV/Vis, FTIR, H-1 NMR, and C-13 NMR spectroscopy. The magnetic properties of the analogous species of dimer 3, N@C140H24O12, were studied by continuous-wave electron-spin resonance (CW-EPR), indicating that the functionalization introduces a permanent zero-field splitting (ZFS) D = 8.6 MHz and E = 0.45 MHz. The same synthetic procedure could be used to produce a N-14-N-15 dimer enabling spin resonance experiments that could demonstrate entanglement between electron spins.
引用
收藏
页码：117 / 121
页数：5
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