I guess for AX3E (ammonia) then lone pair is

lcaocartoon create "sp3"

but I still like the idea of

lcaocartoon create "lp"

and will create that as well now.

Bob

Bob Hanson wrote:

> actually, there's no bug (for H2O). The documentation was wrong. The 
> command you want is
>
> select (atomno=3)
> lcaocartoon create "lpa"
> lcaocartoon create "lpb"
>
> for ammonia, it should be
>
> lcaocartoon create "lp", but I see that is not working and IS a bug. 
> I'll look into it.
>
> If the smoothness of the lobe is not sufficient, use something like 
> the following instead, with the isosurface command:
>
> isosurface resolution 15 lcaocartoon "sp3" (atomno=4)
>
> Bob
>
>
>
>
> David Kim wrote:
>
>> Idealy I would want them to be a tear-shaped lobe with two dots 
>> within. If that is not possible then I think that a tear-shaped lobe 
>> would be best for the purposes of visualizing molecular structure. 
>> Thanks.
>>
>> On 6/9/07, *Bob Hanson* <[EMAIL PROTECTED] 
>> <mailto:[EMAIL PROTECTED]>> wrote:
>>
>>     yes, so what do you want the lone pair to look like? two dots? a
>>     tear-shaped lobe? etc.
>>
>>
>>     David Kim wrote:
>>
>>     > For example, in a molecule of H2O we know that the tetrahedral
>>     > structure is caused by the interaction of the lone pairs and the
>>     two
>>     > hydrogen molecules. I would like to be able to view the lone
>>     pairs so
>>     > that I could visually show why water takes on the bent shape. 
>> Is it
>>     > kind of clear what I am going for? If not feel free to email me
>>     again.
>>     > Thanks for all your help.
>>     >
>>     > On 6/9/07, *Bob Hanson* <[EMAIL PROTECTED]
>>     <mailto:[EMAIL PROTECTED]>
>>     > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>> wrote:
>>     >
>>     >     What's your definition of a "lone pair" ?
>>     >
>>     >     David Kim wrote:
>>     >
>>     >     > I was wondering if it is possible to display lone pairs in
>>     Jmol
>>     >     If so,
>>     >     > how would I switch between having them on and off? Thanks in
>>     >     advance.
>>     >     >
>>     >     > David Kim
>>     >     >
>>     >        
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>>     >     --
>>     >     Robert M. Hanson
>>     >     Professor 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.
>>     >
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