期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 132, 期 31, 页码 10648-10649出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja103396h
关键词
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资金
- National Science Foundation
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1006702] Funding Source: National Science Foundation
Two-electron multicenter (2e/mc) bonding of phenalenyl (PHYL) pi-dimers was found to be significantly affected by the electron density on the bonding active sites. The computational analysis shows that, upon appropriate beta-substitutions, the newly introduced dimers have the shortest and strongest covalent bonding interactions seen in any neutral pi-dimer. The unusual strengthening of the bonding was attributed to the reduced lone pair bond weakening effect, LPBWE, upon substitutions with plertmn-withrirawing groups
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