Dear Varathu,

Could you please elaborate your question.

Regards,
Vandana


Vandana Sharma
Research Scholar
Laboratory Astrophysics,
LAB- 570
Space and Planetary Atmosphere Division,
Physical Research Laboratory,
Navrangpura,
Ahmedabad- 380 009
Gujarat, India

Phone No : (91)-079-6302129-Ext-4570/4567(lab)
Email : vandanas@...
van_res@...
URL : http://www.prl.ernet.in/~vandanas

On Thu, 24 Jun 2004, [iso-8859-1] varathu rajan wrote:

> Dear Friends,
>
> I have a dobt in the fundamentals of spectrosopy.
> My doubt is
> 1.For a molecule to be MW active,why it should have permanent Dipole moment &.
> 2.To be IR active, why a molecule should undergo net change in its dipole
moment?
>
> Plz clear my doubts
>
> Friendly,
> Varathu
>
>
>
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