✍ Scribed by Christogpher Glidewell; Douglas Lloyd
No coin nor oath required. For personal study only.
The bonds which link separate stabilising n-electron systems in 1,5-benzodiazepinium cations are shown from X-ray analysis and MNDO calculations tobe ofvery low bond order, like the bridging bonds in biphenylenes,thereby inhibiting destabilisinginteraction between the n-electron systems.
A major point of interest in the chemistry of biphenylene (I) has been concerned with bond fixation in the molecule and the very long bonds which form the links between the two six-membered rings.
Results obtained from an electrondiffraction study' are included in Table 1.
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