Visualize VB orbitals with moldendat

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Rubén Laplaza

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May 7, 2018, 9:36:23 AM5/7/18
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Hello everyone, and thank you for allowing me into this mailing list.

I would like to know the correct usage of the moldendat.exe utility. I am currently trying to visualize the Valence Bond orbitals from a calculation. I keep getting an error and I thought some of the experts here could teach me how to do it properly. I try to use the generated xdat file and a Gaussian09 fchk file of the same molecule with the same basis set (cc-pvtz), like this:


moldendat.exe molecule.fchk molecule.xdat > molecule_new.fchk

But I get an error and the new file is not properly generated:

forrtl: severe (59): list-directed I/O syntax error, unit 7

Both the G09 and the XMVB calculations are properly converged. The new fchk file is generated until the line:

Alpha MO coefficients                      R   N=       20736

Then the error stops the program. I would love to see the orbitals to have a better understanding! Specially the difference between VBSCF and BOVB orbitals! Or, if there is another way to visualize the orbitals, I would like to know.
Thank you all in advance!


R. Laplaza

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May 7, 2018, 10:26:41 AM5/7/18
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Dear Ruben,
Sorry for the trouble.
It seems that there is a bug in moldendat.
The bug has been fixed and should work fine now.
You may ask Benoit to update the package.

Best regards,

在 2018年5月7日星期一 UTC+8下午9:36:23,Rubén Laplaza写道:
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