Recent progress on the investigations of boron clusters and boron-based materials(Ⅱ):The analogy between boron and carbon chemistry
There are many similarities between the fifth element,boron,and its neighbor,carbon.While carbon chemistry forms the foundation for organic chemistry and has been extensively studied,much less attention has been paid to boron chemistry.Boron is electron-deficient,which results in diverse bonding patterns and interesting structures for boron compounds.In this review,we discuss the similarities and differences between boron and carbon and their compounds in five aspects:B/C allotropes and their clusters,boron and aromatic inverse-sandwich compounds,boranes and hydrocarbons,BN and CC isoelectronic species,boron oxides and carbon oxides.
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