期刊
TETRAHEDRON LETTERS
卷 44, 期 32, 页码 6043-6046出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4039(03)01512-0
关键词
cation-pi interactions; buckybowls; corannulene; sumanene; theoretical studies
B3LYP/6-311+G** calculations on alkali metal ion (Li+ and Na+) complexation with corannulene and sumanene indicate stronger binding compared to [5]-radialene or benzene. The dependence of binding to the convex and concave site is marginal, albeit the preference was consistent for convex binding in the range of 1-4 kcal/mol. The bowl-to-bowl inversion barriers are only marginally affected, below 2 kcal/mol, by metal ion complexation. (C) 2003 Published by Elsevier Ltd.
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