I have a question about this molecule (bodipy) and B-N bonds

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Modern empirical models in chemistry suggest that the B-N bonds in bodipy may exhibit a bond order of 0.5, indicating a partial bond character rather than a full single bond. This concept is also applicable to metalloporphyrins, where similar bonding characteristics are observed. The discussion raises questions about the limitations of traditional bond order definitions, particularly why a bond order of 1 may not accurately represent the bonding situation. The implications of these findings could influence the understanding of molecular stability and reactivity in related compounds. Overall, the exploration of bond order in bodipy and metalloporphyrins highlights the complexity of bonding in modern chemistry.
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I have a question relating this molecule (bodipy) :

pic_bodypystr.jpg

How do modern empirical models in chemistry explain the B-N bonds in this compound? Maybe we should consider this bond as having bond order = 0.5?
The same story with metalloporphyrins.
 
Chemistry news on Phys.org
Why 0.5? What’s the problem with 1?
 

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