Calculating the Dipole Moment of Benzene Rings

[aneeshcna]

Hi ,
How to calculate the diploe vector of benzene ring?. what is the formula for calculating the diploe moment?.

Thanks in advance
Aneesh

 

[olgranpappy]

Hi ,
How to calculate the diploe vector of benzene ring?. what is the formula for calculating the diploe moment?.

Thanks in advance
Aneesh

The formula for the dipole moment is
$$\bold d = \int \rho(\bold r)\bold r d^3 r\;,$$
where $\rho$ is the charge density as a funtion of the position $\bold r$. Since the ring as a whole is neutral the choice of origin does not matter.