Which of the following is not correct for ${\mathrm{SF}}_6?$

All $\mathrm{F}—\mathrm{S}—\mathrm{F}$ angles are ${90}^{\mathrm{o}}$. 

Hybridization in ${\mathrm{SF}}_6$ is ${\mathrm{sp}}^3{\mathrm{d}}^2$ where d orbitals are $d_{z^2}$ and $d_{x^2-y^2}.$

Geometry and shape of ${\mathrm{SF}}_6$ is octahedral.

Axial bonds are longer than equatorial bonds.