It seems that this thread got lost.
I did send Bob a test file; will send it again now.

11.6.RC13_dev still draws type 4 bonds (aromatic) as alternating double-
single. I don't like that.
Type 8 are dotted or partial, which 

I suspect the behavior with 4 may be intentional, is it so? And how can I 
make them look aromatic? 
(maybe with the aromatic command? or was it calculate? I never catched 
it)


On 17 Jul 2008 at 0:25, Bob Hanson wrote:

> I'll need some specific file examples, please.
> 
> Angel Herráez wrote:
> 
> >According to a previous report of mine (which went into doc. in the  Wiki)
> >http://www.mail-archive.com/[EMAIL PROTECTED]/msg09232.html
> >in MOL format files, bond type 8 (described as "any") used to be interpreted 
> >by Jmol as 
> >partial bond. Now I see it is not so; bond is not drawn.
> >
> >I'd like to know if this is intended, or I was wrong, or it is a bug in 
> >recent versions.
> >11.5.46 and 11.4.5 do not draw any bonds for type 8
> >11.3.11 draws them as partially double, or no bond, depending on the atom or 
> >its 
> >neighbors?.
> >
> >I understand that since MDL doc does not assign "partial" meaning to type 8, 
> >if may be more 
> >sensible for Jmol not to interpret as so. However, no bond at all where a 
> >bond is specified is 
> >not a faithful solution either.
> >
> >While I am at it, I also see that type 4 (aromatic) is rendered as partially 
> >double by 11.3.11 
> >but as alternating single and double bonds by 11.4.5. I guess that's a 
> >conscious 
> >consequence of the recent "aromatic" and "calculate aromatic" commands, 
> >right?
> >I'd rather prefer that the aromatic-specified bonds are drawn as partially 
> >double, but I won't 
> >push for it. Just want to mention is case it is an inadvertent change.
> >
> >Well, there's even more. Here's a summary across versions:
> >
> >bond type 4
> >11.3.11:  aromatic (partially double)
> >11.4.5:  alernating single and double bonds
> >11.5.46dev (8 july 08):  aromatic (partially double)
> >
> >bond type 8
> >11.3.11: partially double !!
> >11.4.5: no bond
> >11.5.46dev (8 july 08): no bond in some cases, double in others!!
> >
> >I also note that in 11.5.46, some single bonds are drawn as double
> >
> >
> >
> >
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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. 
> 
> -- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900
> 
> 
> 
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