From owner-chemistry@ccl.net Sat Mar 7 12:04:01 2020 From: "bonoit bonoit ablux13!A!gmail.com" To: CCL Subject: CCL:G: Fukui Message-Id: <-53997-200307120231-8263-3KlqE70DYSw7prTvFdNVUw * server.ccl.net> X-Original-From: bonoit bonoit Content-Type: text/plain; charset="UTF-8" Date: Sat, 7 Mar 2020 18:02:23 +0100 MIME-Version: 1.0 Sent to CCL by: bonoit bonoit [ablux13 a gmail.com] Dear Tian Lu, Thank you for your reply. I use Gaussian 09 to optimie the three structures (neutral, anionic abnd cationic froms) and then I calculate fukui indices manually using Excel. For example for the anionic, using the NPA analysis we get three tables in the output file. A table of NPA population, a second table for the alpha orbitals and finally a table for the beta orbitals. Thus, my question was about which of the table of values I can or have to use to calculate the Fukuis. Best regards, Benoit 2020-03-07 0:31 UTC+01:00, Tian Lu sobereva~~sina.com : > > Sent to CCL by: "Tian Lu" [sobereva%x%sina.com] > Dear Benoit, > > > Please first note that using NPA charge to compute condensed Fukui function > is deprecated. Using Hirshfeld charge is more recommended for this purpose, > this point is well demonstrated in Theoretical Chemistry Accounts 138, 124 > (2019). > > > I don't know what is the "tables" you referred to and which program was > employed by you. Detailed step of calculation of condensed Fukui function > can be found in Section 4.7.3 of manual of Multiwfn program > (http://sobereva.com/multiwfn), I suggest you check it and follow the > example, I believe your doubts will be eliminated. By the way, Multiwfn has > a very easy-to-use function dedicated to automatically calculating condensed > Fukui function and numerous various other quantities defined in the > framework of conceptual density functional theory, see 4.100.16 of Multiwfn > manual for example, I think it should be useful for you. > > > -------------------------------- > > Best regards, > > > Dr. Tian Lu > Beijing Kein Research Center for Natural Sciences, Beijing, P. R. China > http://www.keinsci.com > > > ----- Original Message ----- > > Sent to CCL by: "Benoit Gearald" [ablux13]_[gmail.com] > Dear CCLers, > I would like enquire about the NPA (natural population analysis) when doing > the Fukui calculations. For the cationic and anionic state of a molecule, > in the output we can see there some tables (alpha and beta) of charge for > each atom. Lets say for the anionic one, we can use the charges from the > table given the total (in which the charge is -1) or from the table at the > end in which also the charge is -1 (alpha). Please I need an explanation to > make this clear in my mind. > Best regards, > Benoit> > >