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Difference Between Conjugation and Hyperconjugation

Main Difference

The main difference between Conjugation and Hyperconjugation is that Conjugation is the overlapping of p-orbital of atom across the sigma bond, whereas, Hyperconjugation is the interaction of many sigma bonds with pi networking of bonds

Conjugation vs. Hyperconjugation

Conjugation is defined as the overlapping of the p-orbitals with the sigma bond; on the flip side, hyperconjugation is defined as the interaction of sigma bond with the pi networking of bonds. Conjugation is present in the middle of the p orbitals, whereas hyperconjugation is present in the network of p orbitals and sigma bonds.

Conjugation is present in the compound with the alternative single and double bond; on the flip side, hyperconjugation is present in carbocations or other compounds that contain C-H bonds adjacent to the p or pi orbitals. Conjugation is occurred due to the delocalization of electron clouds of pi bond; on the other hand, hyperconjugation is occurred due to the result of stabilized compounds and protons.

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Conjugation is considered as the formation of a new compound by the combination of different compounds; on the flip side, hyperconjugation is formed by the interaction of pi bonds with the sigma bonds. Conjugation is done by overlapping; on the other hand, hyperconjugation is done by the interaction between the compounds. Conjugation is the interaction in which the electron pairs in the pi orbital of a multiple; on the other hand, hyperconjugation will be the pair of adjacent polarized sigma bonds.

Conjugation is depended upon the electrons delocalization measures and conforms to the products of conjugation in 1,3-butadiene and 1,3-butadiyne; on the other hand, hyperconjugation is also the result of the electron delocalization of electrons which conforms in the products, 1-butene, and one butyne.

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Comparison Chart

ConjugationHyperconjugation
It is defined as the overlapping of the p-orbitals with the sigma bond.Hyperconjugation is defined as the interaction of a sigma bond with the pi networking of bonds.
Presence
Conjugation is present in the middle of the p orbitals.Hyperconjugation is present in the networking of p orbitals and sigma bonds.
Formation
Conjugation is considered as the formation of a new compound by orbitals interaction.Hyperconjugation is present due to the interaction of pi bonds.
Presence
Conjugation is present in the compound with alternative single, double bonds.Hyperconjugation is present in the carbocation of other compounds.
Occurrence
Conjugation is occurred by the delocalization of the pi-electron cloud of the compound.Hyperconjugation is occurred due to the stabilized compound.
Applications
Conjugation is the formation of new compounds by the combinations of delocalized electron clouds.Hyperconjugation is the formation interaction of pi bonds with the sigma bond.
Product Formation
Conjugation is done by the overlapping of different compounds.Hyperconjugation is formed by the interaction of pi bonds with the sigma bonds.
Relation
Conjugation is the interaction of electron pairs in the pi multiple bonds.Hyperconjugation will be the pairing of adjacent electronic clouds.
Example
The products that contain conjugation 1,3-butadiene.The products that contain hyperconjugation is 1-butene.
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What is Conjugation?

Conjugation is defined as the overlapping of p-orbitals with the sigma bonds. It mostly occurs between the p orbitals. It occurs in the compounds with the alternative single and double bonds. Conjugation is formed by the delocalization of electron clouds between the orbitals of compounds. The sigma bond is the type of bond which has the nature of covalent bonds.

The compounds which contain the conjugation are the sp2 hybridization. These compounds are unsaturated compounds. Conjugation is present in compounds that contain alternative single and double bonds—the unhybridized p-orbitals overlap with each other, forming the electronic cloud. The sigma bond is a strong covalent containing compound that is formed due to the formation of two head mixing between two atomic orbitals.

Conjugation is observed in the aromatic compounds, the word aroma derivation, which means fragrance. Conjugation is occurred by the delocalization of electronic clouds. Conjugation is the formation of new compounds by the combination of the delocalization of electron clouds. Conjugation is the interaction of an electron pair in the multiple bonds. Conjugation is depended upon the electron’s delocalization measures and conforms to the products of conjugation in 1,3-butadiene and 1,3-butadiene.

What is Hyperconjugation?

Hyperconjugation is defined as the relationship of sigma bonds with the pi networking of bonds. It is always present in the middle of sigma or pi-networking of bonds and the p orbitals. It is mostly present in carbocation or present in some other compounds that have p orbitals and pi networking of bonds adjacent to the C-H bonds. Hyperconjugation is formed by the result of the stabilized compounds and protons.

The hyperconjugation always occurred due to the overlapping of the C-H bond electrons. This is done due to a sigma bond that forms a bond with p orbitals and pi networking of the compound that contains C-H bonds. The negative charges in the compounds are delocalized all the time due to the bond orbitals, and hydrogen is a positive charge atom that overlaps with these free electrons of orbitals of compounds and forms hyperconjugation.

Hyperconjugation is discovered by the Quantum mechanical modeling to explain in the better strategy Hyperconjugation occurs in the compounds to increase the stability of compounds in hyperconjugation, there are many effects on properties of chemicals in the compounds like in hyperconjugation the carbocation causes the carbon atom with the positive charge. For example, the products that contain hyperconjugation is 1-butene.

Key Differences

  1. Conjugation is defined as the formation of overlapping p-orbitals with the sigma bond; on the other hand, hyperconjugation is defined as the interaction of the sigma bond with the bonds of pi networking in the compound.
  2. Conjugation is present in the center of the p orbitals; on the flip side, hyperconjugation is present in the networking of sigma and p-orbitals.
  3. Conjugation is the formation of new compounds, whereas hyperconjugation is present due to the relationship of pi-bonds.
  4. Conjugation is present in those compounds that contain the relatively single and double bonds; on the other hand, hyperconjugation occurs in those compounds that perform the process of the carbocation.
  5. Conjugation occurs in the compounds in which the delocalization of electrons in the pi networking cloud is present; on the flip side, hyperconjugation is occurred to stabilize some compounds.
  6. Conjugation occurs to form the new compounds by delocalization of electrons cloud; on the other hand, hyperconjugation occurs due to the interactions of different bonds.
  7. Conjugation is the relationship of the interaction of electron pairs with the multiple bonds whereas, hyperconjugation the pairing of electrons of adjacent electronic clouds.
  8. Conjugation example is 1,3-butadiene; on the other hand, the example of hyperconjugation is 1-butene.

Conclusion

Conjugation and hyperconjugation both are the chemistry terms. Conjugation and hyperconjugation both are present in the unsaturated compounds. In conjugation, there is the overlapping of sigma bonds with p orbitals, whereas, in hyperconjugation, there is the relationship of pi networking of electrons with sigma bond.

Harlon Moss

Harlon currently works as a quality moderator and content writer for Difference Wiki. He graduated from the University of California in 2010 with a degree in Computer Science. Follow him on Twitter @HarlonMoss