Wednesday, December 9, 2009

Electron density and steric strain

Figure 3.2. (a) RHF/6-31G(d) 0.002 au isodensity surface and (b) van der Waals surface of cis-CH3(H)C=C(H)CH3 (click on the picture for a bigger version).
From Molecular Modeling Basics CRC Press, May 2010.

This figure shows how the electron density and van der Waals surfaces can be used to visualize steric strain. See this post on how to make such pictures and this post on how to make an interactive version such as the one shown below.

Figure 3.2. The RHF/6-31G(d) electron density of cis-CH3(H)C=C(H)CH3.
Click on the picture for an interactive version
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