Borane - Generic Formula of Boranes

Generic Formula of Boranes

The four series of single-cluster boranes have the following general formulae, where "n" is the number of boron atoms:

Type formula notes
closo− BnHn2− No neutral BnHn+2 boranes are known
nido− BnHn+4
arachno− BnHn+6
hypho− BnHn+8 only adducts established

There also exists a series of substituted neutral hypercloso-boranes that have the theoretical formulae BnHn. Examples include B12(OCH2Ph)12, which is a stable derivative of hypercloso-B12H12.

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