for ionic not found, we could default to the closest known ion charge -- 
at least X 3+ will be small, if not small enough, if X 2+ is present.

Angel Herraez wrote:

>Alan,
>
>  
>
>>I found Bob's table radii.xls and notice that if you ask for "spacefill 
>>ionic" 
>>jmol tries to use the ionic radius for the valence state listed in
>>the CIF file. If it doesn't find that valence state in the table,
>>it apparently uses the van der Waals radius. Since radii.xls only
>>contains one valence state for each atom, jmol will sometimes fail
>>to find the appropriate ionic radius and use instead a mixture of
>>ionic and very different van der Waals radii.
>>    
>>
>
>My recollection (may be wrong) was that atomic radius is used, not 
>vdW, if the ionic state is not found. I haven't checked it, though.
>Take a look at 
>http://biomodel.uah.es/jmol/radii/jmol_radii.en.html
>which may be of help to you.
>
>I also think there is provision for more than one ionic state per 
>element (as shown in the periodic table above)
>
>
>
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