c6 - Molecular Geometry, using Orbital Hybridization These...

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Molecular Geometry, using Orbital Hybridization These notes should not replace the reading of good text books. The basis for the Valence Bond theory: Sigma ( σ ) bonds form by head on overlap of unhybridized, s-orbital-s-orbital, p-orbital-p-orbital, s-orbital-p-orbital and hybridized, (sp, sp ,sp , sp d and sp d ) orbitals, strong bonds will form. 2 3 3 3 2 pi ( π )-bonds form by side-ways overlap of unhybridized p- and d-orbitals, weak bonds will from. Molecular Geometry (three dimensional structure) can be determined by the number of σ -bonds and the lone pairs on the central atom. These lone pairs will also be accommodated in hybridized orbitals. Orbitals used in bond formation σ -bond, showing the head on overlap of atomic orbitals s-orbital - s-orbital s-orbital - p-orbital p-orbital - p-orbital sp-hybrid orbital - sp-hybrid orbital or sp-hybrid - sp 2 hybrid or sp 2 hybrid - sp 2 hybrid or sp 2 hybrid - sp 3 hybrid or sp 2 hybrid - sp 3 d hybrid or sp 3 hybrid - sp 3 d 2 hybrid and so on Two overlapping hybrids, forming a strong bond Hybridized orbitals will be simplified like so
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c6 - Molecular Geometry, using Orbital Hybridization These...

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