What is a Sigma Molecular orbital?
What is a Sigma Molecular orbital?
Aniket Singh , 10 Months ago
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11 grade chemistry others> What is a Sigma Molecular orbital?...
1 AnswersAskiitians Tutor Team
A sigma (σ) molecular orbital is a type of molecular orbital formed by the overlap of atomic orbitals along the axis connecting the nuclei of two atoms. It's called "sigma" because the shape of the orbital resembles the Greek letter sigma (σ). Sigma bonds are characterized by their cylindrical symmetry around the bond axis.
In simple terms, when two atomic orbitals (typically s, p, or hybridized orbitals) from two atoms overlap head-on, they form a sigma molecular orbital. Sigma bonds are strong and are commonly found in single bonds between atoms in molecules. They allow for free rotation around the bond axis.
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