1/9/2023 0 Comments What is sp3d hybridizationThus, by using sp3d hybridization, we end up with the same see-saw molecular geometry for the cation as that predicted by VSEPR theory (when the lone pair on Br is ignored). The four Br-F bonds in the cation are then formed by the overlap of the half-filled sp3d hybrid orbitals of the bromine atom with the half-filled p-orbitals of the terminal fluorine atoms. In this scheme, one of the sp3d hybrid orbitals is filled while the remaining four are half-occupied. It turns out that only sp3d hybridization will provide the necessary trigonal bipyramidal distribution of electron pairs around the bromine atom. Next we must select a hybridization scheme for the Br atom that is compatible with the predicted shape. ![]() Diagrams showing the directions of the maxima of octahedral sp3d2 and trigonal bipyramidal and square pyramidal sp3d hybrid orbitals.
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