Perchloro-2,5,8-triazaphenalenyl radical |
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| Authors: | Zheng Shijun Thompson Joe D Tontcheva Ana Khan Saeed I Rubin Yves |
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| Institution: | Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095-1569, USA. |
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| Abstract: | reaction: see text] The unusually stable perchloro-2,5,8-triazaphenalenyl radical 1 and its twisted dechlorinated dimer 2 were synthesized and characterized by ESR spectroscopy and X-ray crystallography. The X-ray structure of dimer 2 shows that the double bond connecting the two triazaphenalene systems is strongly twisted. Dimer 2 has a dramatic color shift from the solid state to solution, which may be due to a change of the twisting angle between both states. |
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