Cyclic triborate
= Cyclic triborate
{title2=$\mathrm{[B_3O_6]^{3-}}$}
The <anion> $\mathrm{[B_3O_6]^{3-}}$ formed from three trigonal $\mathrm{BO_3}$ units sharing corners in an alternating six-membered B–O ring. Each <boron> also has one terminal <oxygen>.