Lonepair structures

Among the boron halides, B4CI4 is of interest as both B4H4 and B411 do not exist. Figure 13.3.7 shows the molecular structure of B4CI4, which has a tetrahedral B4 core consolidated by four terminal B-Cl 2c-2e bonds and four BBB 3c-2e bonds on four faces. This structure is further stabilized by a-n interactions between the lonepairs of Cl atoms and BBB 3c-2< bonds. The... 

Table Hybridisation and Structure involving lonepair Hybridi- Bonded Lone Bond Shape Example sation pair pair angle...

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