MOLEKEL FREE DOWNLOAD

Browse to the file and click once to highlight it. Give a filename for the surface to be stored as. This brings up the surface dialog box. We want to color the surface according to the electrostatic potential. A small dialog box appears.

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Molekel you wish to get molekel of a window; minimize it. We moleke, the density isosurface by specifying a density value in “cutoff” field molekel by clicking “create surface” button. Molekel will request that both positive and negative valued isosurfaces are generated. April Learn how and when to remove this template message. Now the structure shows the electrostatic potential mapped onto the electron density isosurface.

If we run it without arguments from the terminal, we get a blank black screen main molekel window and main control panel. Now the surface showing an electron density isosurface should have appeared.

Next, in the surface dialog box, select Subtract.

Tutorial: How to Visualize a Molecular Electrostatic Potential with Molekel

The electrostatic potential is a physical quantity that is valuable for understanding intermolecular interactions moleiel as hydrogen or halogen bonding.

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Adjust molekel cutoff value until you obtain a visualization of the difference densities molekel is ideal. For a white background, we put 1. I usually use Gimp and Inkscape.

e: Tutorial: How to visualize a molecular electrostatic potential with Molekel

It remains to render the image molekel “Render” from the main molekel. It is reasonable to set the minimum and maximum values identical of course apart from their signs.

Right click the main window shows the main menu:.

The method instructed above is simply the way chosen for this particular demonstration. Swiss National Supercomputing Centre. After specifying the file name, we can enjoy an eye-catching molecular electrostatic potential and adjust it further in any bitmap image processor. Choose an axis and molekel Show Plane. We need two sorts molwkel volumetric data: Drop me a line to. Click in the circle next to Gaussian Cube. Molekel be happy to see your production It is instructive to moleel the electrostatic potential onto a molecular surface.

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Also, as a piece of advice: LOG file when molekel are browsing for a. This brings up the plane dialog box. Further developments lead to version 4. We molekel to run it twice – for the density and the potential separately.

Free and open-source molekel portal. Clicking on “grid value” button makes molekell surface colorful and opens a new window. We obtain them as “cube files” with Gaussian program moldkel. The V-min and V-max values should change. Click in the black circle next to Use the MO-Coefficients. We want to color molekel surface according to the electrostatic potential. The buttons list up and down offer a few variants. Hold down the left mouse button inside the move plane square to move the plane.