CCL: PES scan of biphenyl
- From: Vincent Xianlong Wang <xloongw__yahoo.com>
- Subject: CCL: PES scan of biphenyl
- Date: Fri, 18 Nov 2005 11:39:19 -0800 (PST)
Sent to CCL by: Vincent Xianlong Wang [xloongw!A!yahoo.com]
Hi Xu,
The PES has been calculated before. See,
(1) Cacelli, I.; Prampolini, G. Torsional Barriers and
Correlations between Dihedarls in p-Polyphenyls. J.
Phys. Chem. A 2003, 107, 8665-8670.
In order to scan the PES with respect to the internal
rotation of the phenyl groups, you need to define the
internal rotational coordinate properly.
Best regards,
Xianlong
--- "Xu Wang xwang6 . uky.edu"
<owner-chemistry!^!ccl.net> wrote:
> Sent to CCL by: "Xu Wang" [xwang6.:.uky.edu]
> I have a question about the potential energy surface
> scan for biphenyl (C12H10) about the dihedral angle
> between the two phenyl rings. The purpose of this
> calculation is to find out the rotational barrier of
> two phenyl rings. However, it seems that instead of
> twisting the entire phenyl group, only a single
> carbon and hydrogen atom move as I do the scan. I
> know some researchers have done this kind of work
> before. I wonder if anyone of you knows how to work
> this out. PS, I was using Gaussview 3.09 to build up
> the input file. Thanks!
>
>
>
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