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Dr. Joaquin Barroso's Blog

Scientific log of a computational chemist - "Make like a molecule and React!"
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Computational ChemistryGaussianNBOWhite PapersChimicaInglese
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I’m posting this white paper “as is” but I will keep on coming back to update it; the thing is that I haven’t had the time to post anything else lately and if I don’t do it like this then I will never get it out. Please be kind on your comments and ratings! For a more thorough discussion of NBO analysis please check out the references.

Computational ChemistryGaussianNBOWhite PapersChimicaInglese
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This is the second post on a series which will try to address common technical questions in computational chemistry that recursively appear on the CCL. The Natural Bond Orbitals analysis is a powerful tool in population analysis calculations which is more robust than the traditional Mulliken approach, if for no better reason because its almost insensitive to the change of basis set while Mulliken’s P.A. is highly sensitive to basis set effects.

Computational ChemistryTalksSilaghi-DumitrescuUBBChimicaInglese
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My boss just told me a few days ago he may not be able to make it to a workshop in Bucharest, which is actually more of a bilateral conference between Romania and South Korea. So it seems I’m due up for making a presentation for this meeting on next Wednesday (that is the day after tomorrow!). The down side? I’m not available tomorrow (Sep.

Computational ChemistryRandom ThoughtsPécsUBBChimicaInglese
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After two months of working at Pécsi Tudomanyegyetem in the research group of Prof. Kunsági-Máté Sándor, I go back now to my previous office at the Babes-Bolyai University in Cluj-Napoca, Romania. Working here at Pécs has been a stimulating experience as well as a very productive one. We managed to obtain enough data as to prepare a couple of papers, which should be ready for submission in about a month.

ChemistryRandom ThoughtsScienceThermodynamicsChimicaInglese
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Another scientific concept that is hard to grasp by laypeople and that to my opinion has been the center of much distortion in the chemistry classroom, is the thermodynamical function Entropy, S . More often than not, S is said to be a measure of “disorder” and people just take it! If one was to define disorder then one would have to also define order: Is my apartment too entropic? what about my life?

ChemistryComputational ChemistryInternetScienceTheoretical ChemistryChimicaInglese
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Although classifications and rankings do not define the range or scope of work a person/group can do, they are usually popular to look at, unfortunately these views are sometimes misleading in the decision making process, e.g. funding. How expensive is in average our science compared to that of say organic chemists?

Computational ChemistryRandom ThoughtsPécsUBBChimicaInglese
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As part of the research project I’m working on here at the Babes-Bolyai University in Romania, I must now pay a visit to prof. Sandor Kunsagi-Mate in Pecs, Hungary. I’ve met prof. Kunsagi in several occasions before and I’m looking forward to working with him in his research team, although unfortunately he will have to leave next week to the far east to check on some of his multiple collaborations around the world.