On Mon, Dec 7, 2015 at 7:13 AM, Richard Steane <richard.ste...@ntlworld.com>
wrote:

> Hello All but Bob in particular
>
> As a lurker on this forum I worry that I have a few problems that are less
> sophisticated than most of the points you cover.
>
> However I am going  to ask my (probably stupid) question anyway:
>
> Should double bonds rotate?  Perhaps I have not progressed much from
> plastic
> molecular models made with springs and things - I certainly prefer ball and
> stick as a display option.
>

The atom positions are relatively fixed. The visualization default is to
show double bonds that keep their separation so that no matter how you look
at them, you can see that they are double. If that concerns you, you can use

 set multiplebondspacing 0.4


or you can use

  set multiplebondbananas true


> And whilst I am about it, I am going to ask what is the basis for the
> Computation -> Optimise structure procedure, and how does it differ from
> the
> Minimise option in model kit mode?
>

I think that is the same, perhaps.


>
> Many thanks
>
> Richard Steane
>
>
>
>
>
>
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-- 
Robert M. Hanson
Larson-Anderson Professor of Chemistry
Chair, Department of Chemistry
St. Olaf College
Northfield, MN
http://www.stolaf.edu/people/hansonr


If nature does not answer first what we want,
it is better to take what answer we get.

-- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900
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Give your users amazing mobile app experiences with Intel(R) XDK.
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Design, debug & build mobile apps & 2D/3D high-impact games for multiple OSs.
http://pubads.g.doubleclick.net/gampad/clk?id=254741911&iu=/4140
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