> Miguel, is this the sort of thing you are talking about
> wanting to be able to do in Jmol?
>
>  From something like this:
>
>     4.910   4.910   5.402
>     90.000  90.000 120.000
>     SPGR =154 P 32 2 1    OPT = 1
>     1 Si1     0.48078   0.48078   0.00000
>     2 O2      0.15018   0.41459   0.11650
>
> going to something like the first model at
>
> http://www.stolaf.edu/people/hansonr/mo/acs2001/models.htm

Be advised that we got an 'ArrayIndexOutOfBoundsException' in Normix3D the
first time that I followed this link

You asked if this is the kind of thing that I want to be able to do ...

I think so ... but this seems to be a much fancier version of what I was
thinking.

I was thinking something more like ... start with 1 NaCl and grow a 4x4x4
crystal.

But I assume that the ideas are the same.

> ? (That model is, in fact, derived from the above data, but not using
> Jmol.)
>
> If so, we'll need to design a syntax for describing how many unit cells to
> include and in what direction.

Yes

>From an implementation perspective, my thought was that you started with a
model, you applied the 'crystal 3 3 3 <otherParameters>' command ... and
you created a new model.

But I only have an extremely simplistic view of what functionality is
required/desired.

> Q: Does Jmol read cssr file formats?
> http://www.chem.cmu.edu/courses/09-560/docs/msi/modenv/D_Files.html#944777

No

> I'm not sure how prevelent those are anymore.
>
> I must say, it fascinates me that two coordinates and
> an understanding of the crystallographic parameters
> can generate so "complex" a structure.

Agreed.


Miguel



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