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Dear Madam,
My question is why a molecule should have permanent dipole moment to absorb the Micro Wave radiation.
In other words why molecules such as Hydrogen does not give rotational spectra?
Similarly why symmetrical stretching of CO2 is Infrred inactive?
Friendly,
Varathu.
Vandana Sharma <vandanas@...> wrote:
Vandana Sharma <vandanas@...> wrote:
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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