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For questions related to the Gaussian electronic structure program

4 votes
0 answers
69 views

Gaussian warning [closed]

I am running an ONIOM optimization calculation on GAUSSIAN software and when I open the LOG file I get a warnig saying: ConnectionGlob::Parse_BINK0 failure reading archive entry and on other systems using …
sarra6's user avatar
  • 599
7 votes
1 answer
461 views

Loop calculation in Gaussian

I want to run multiple jobs on Gaussian using windows. I know it is possible to do so on Linux. But can we perform a loop in Gaussian with Windows? …
sarra6's user avatar
  • 599
8 votes
1 answer
243 views

Symmetry group of p-benzoquinone

In the literature, the point group of p-benzoquinone is $D_{2h}$, but when I optimize this molecule in the ground state with Gaussian software, I obtain the $C_s$ group symmetry. …
sarra6's user avatar
  • 599
10 votes
1 answer
2k views

How to eliminate imaginary frequencies during a Gaussian geometry optimization?

When conducting a minimization on Gaussian software, What are the procedures used to eliminate imaginary frequencies if we have already found a stationary point? …
sarra6's user avatar
  • 599
6 votes
2 answers
777 views

Geometry optimization with Moller-Plesset MP4

Can we optimize a molecular structure using Moller-Plesset MP4 method on GAUSSIAN software? If yes what keyword do we have to add? …
sarra6's user avatar
  • 599
2 votes
0 answers
12 views

Calculation with ONIOM and Grimme's Empirical Dispersion Correction

I am currently working, with Gaussian G09 software, on an ONIOM calculation using the EmpiricalDispersion=GD3 keyword with the B3LYP functional. …
sarra6's user avatar
  • 599