On Wed, 24 Aug 2011 10:21:16 -0400
Geoffrey Hutchison <ge...@geoffhutchison.net> wrote:
> > However, I am unable to visualize these with Avogadro. When I open
> > the cube file all I get is the molecule. I tried the Surfaces
> > display type; there the Orbital drop down menu doesn't work (or
> > it's empty).
> 
> So to visualize your cubes (BTW, Avogadro also reads .cube.gz files),
> open the file, go to the Extensions -> Create Surfaces command, pick
> the options you want:
> http://avogadro.openmolecules.net/wiki/Create_Surfaces
> 
> Then you'll see the isosurfaces!

Great, thanks! I tried it out and it worked just fine.

I'm busy doing other things, so I won't implement a cube output for
now. But I'll probably come back to this at some later stage. I also
might consider writing a function for molden output, especially if you
add support for higher order basis functions.

But if any of you are interested, you are welcome to interface Avogadro
with my code, which should be even easier, since you already have some
GUI stuff implemented.

Even more so, since you won't have to care at all about the specifics
of the evaluation of the values of density or orbitals, which is all
done by my code.

What you'd need to do first is write a wrapper that plugs in the atomic
coordinates, loads the basis set and gives the specifics of the
calculation, and then runs the calculation; the same things that are
done by my main executable. This is a few hundred lines of code.

From this you get the MO coefficients (and the density matrix if you
want it). Then you can use the combination of the basis set and the
MOs / density matrix to get values in any points you want to.
-- 
--------------------------------------------------------
Mr. Jussi Lehtola, M. Sc.         Doctoral Student
jussi.leht...@helsinki.fi         Department of Physics
http://www.helsinki.fi/~jzlehtol  University of Helsinki
Office phone: +358 9 191 50 632   Finland
--------------------------------------------------------
Jussi Lehtola, FM                 Tohtorikoulutettava
jussi.leht...@helsinki.fi         Fysiikan laitos
http://www.helsinki.fi/~jzlehtol  Helsingin Yliopisto
Työpuhelin: (0)9 191 50 632
--------------------------------------------------------

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