On 2012-03-21 03:06, Nancy wrote:
Hi All,
I would greatly appreciate it if anyone could provide a reference or
information on the electromagnetic absorbance characteristics of
dimethyl sulfoxide, especially in the region of 800-1400nm.
Thank you,
Nancy
How is this measured, and what is the physical basis of this? Infrared
spectroscopy usually does not go to such high energies, does it?
7000-12500/cm is a lot higher frequency than bond vibrations, and
therefore the only likely effect that could take place at these
frequencies are electronic effects. If you would like to compute this
from a simulation the frequency dependent dielectric constant would be
the most useful thing to try I would think, but to get reasonable
numbers at high frequencies you need a polarizable model.
--
David van der Spoel, Ph.D., Professor of Biology
Dept. of Cell & Molec. Biol., Uppsala University.
Box 596, 75124 Uppsala, Sweden. Phone: +46184714205.
[email protected] http://folding.bmc.uu.se
--
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