Interpretation:
The energy cost associated with the eclipsing interaction between a bromine atom and a hydrogen atom in bromoethane is needed to be calculated on basis of given information the barrier to rotation of bromoethane is 15 kJ/mol.
Concept introduction:
Conformations are arising due to the free rotation of
The most and least energy occupied conformers are eclipsed and staggered, which are having a dihedral angle of ‘0’ and ‘60’ degree respectively.
The torsional strain and steric interaction between atoms of eclipsed conformations makes them more energized as compared to staggered conformations.
The
The energy cost for H/H eclipsed interaction is 4 kJ/mol.
To find: the energy cost associated with the eclipsing interaction between a bromine atom and a hydrogen atom in bromoethane.
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