Which d orbitals are involved in sp3d2 and d2sp3 hybridization respectively?
sp3d2 or d2sp3 are hybridisation for the octahedral geometry.
In octahedron, the bonds are formed parallel to the x, y, and z-axes, hence dx2-dy2 and dz2 will be used to form the hybrid orbitals.
Coordination number | Type of hybridization | Distribution of hybrid orbitals in space | Types of d orbitals |
---|---|---|---|
4 | sp3 | Tetrahedral | |
4 | dsp2 | Square planar | dx2-y2 |
5 | sp3d | Trigonal bipyramidal | dz2 |
6 | sp3d2 (nd orbitals are involved; outer orbital complex or high-spin or spin-free complex) | Octahedral | dx2-dy2 and dz2 |
6 | d2sp3 [(n − 1)d orbitals are involved; inner orbital complex or low-spin or spin-paired complex] | Octahedral | dx2-dy2 and dz2 |