What is torsional strain
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For the case of a single bond, consider a simple case like ethane can take an eclipsed conformation, a staggered conformation, or anything in between depending on the torsion angle of the C-C bond. Each carbon has a region of especially high electron density where it's bonded to a hydrogen. When the torsion angle is changed from staggered to eclipsed, these regions approach eachother and repel, and thus the eclipsed conformation is higher in energy than the staggered⬆️⬆️⬆️⬆️⬆️
In the case of a double bond as in ethylene, the energy associated with torsional strain is much higher because the P orbitals involved in the pi bond have to be oriented the same way Thus applying torsional strain involves breaking this pi bond, and has a high energy
In the case of a double bond as in ethylene, the energy associated with torsional strain is much higher because the P orbitals involved in the pi bond have to be oriented the same way Thus applying torsional strain involves breaking this pi bond, and has a high energy
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torsion balance, instrument used to measure small forces. It is based on the principle that a wire or thread resists twisting with a force that is proportional to the stress. ... Torsion balances are used to measure small electric, magnetic, and gravitational forces. One type is used to measure small weights.
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