Octahydropentaborate anion (source code)

= Octahydropentaborate anion
{title2=$[\mathrm{B_5H_8}]^-$}

$[\mathrm{B_5H_8}]^-$, the bridge-deprotonated conjugate base of <pentaborane(9)>. Its five-vertex framework has seven skeletal pairs and is <nido>.