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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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I don’t know why I haven’t written about the Local Bond Order (LBO) before! And a few days ago when I thought about it my immediate reaction was to shy away from it since it would constitute a blatant self-promotion attempt; but hell! this is my blog! A place I’ve created for my blatant self-promotion! So without further ado, I hereby present to you one of my own original contributions to Theoretical Chemistry.

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Calculating both Polarizability and the Hyperpolarizability in Gaussian is actually very easy and straightforward. However, interpreting the results requires a deeper understanding of the underlying physics of such phenomena. Herein I will try to describe the most common procedures for calculating both quantities in Gaussian09 and the way to interpret the results;

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A new paper has been published and that is always good news. The paper entitled “Synthesis of new γ-lactones from preactivated monosubstituted pyrazines and TMS–ketene acetals” coauthored by Azucena Garduño-Alva, M. Carmen Ortega-Alfaro, José G. López-Cortés, Isabel Chávez, Joaquin Barroso-Flores, Rubén A. Toscano, Henri Rudler and Cecilio Álvarez-Toledano was a fruitful collaboration between several researchers […]

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We recently got notice of our paper being accepted for publication in the Journal of Inclusion Phenomena and Macrocyclic Chemistry . We are very pleased with this news! The paper’s title is “ Ab initio calculations of electronic interactions in inclusion complexes of calix- and thiacalix[n]arenes and block s cations ” and is being co-authored by Dr. Petronela Petrar, Prof. Dr. Kunsagi-Mate Sandor, the late Prof.

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In science one thing is true and universal: We need funding. Here in Mexico the main source of funding comes from the National Council for Science and Technology (Consejo Nacional de Ciencia y Tecnología, CONACyT) which is an institution that depends directly from the federal government. Over the years different policies have prevailed and right now we are not looking into a good future.

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The Joint Center for Sustainable Chemistry Research (Centro Conjunto de Investigación en Química Sustentable) was born in 2008 as a project between the Institute of Chemistry from the National Autonomous University of Mexico and the Chemistry School from the Mexico State Autonomous University aimed to the development of research in green and sustainable chemistry as well as that of human resources trained in the same areas.

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As a scientist I believe the free share of information (which is not the same as to say of property) should prevail throughout the vastness of this global tool we have available. I’ve worked for private companies and I do believe in their right to keeping private the information they have invested in. But with SOPA there is an issue with freedom of speech and nobody wants to have their accounts monitored by a government, any government.

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Due to extensive popular demand, I hereby make available the necessary files to run Molekel in its old 4.3 version . The program has been compiled to work under Windows 32 bit architecture. Just extract it and place the main folder (as provided here) in any location and run the .exe file located inside. You can generate a direct access to it from your desktop and it even includes a small icon to be used for this purpose.