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multicentre bonds

It is becoming clear that most bonds within molecules are in fact multicentre, that is they bond more than two atoms together. The first unambiguous case was in the molecule diborane, as the central hydrogen atoms are bonded to both boron atoms with just two electrons bonding the three atoms together (See three-centre bond). The early chemists thought that the critical feature of bonding was the involvement of two atoms, missing the more fundamental significance of the electron pair. Other examples of multicentre bonds include the six-centre lowest-energy molecular orbital in benzene. See Also: delocalization.  



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Other Terms : coenzyme | Seebeck effect | astrophysics



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