Silsesquioxane
= Silsesquioxane
{title2=$\mathrm{(RSiO_{3/2})_n}$}
A <silicon>–<oxygen> framework with ideal fully condensed composition $\mathrm{(RSiO_{3/2})_n}$. Each <silicon> has one organic <substituent> and three <siloxane> bridges. Incompletely condensed cages retain <silanol> groups.