References

Symmetry and Phonon mode animations were created by 3D Max 7.
www.autodesk.com/3dsmax

Images and phonon mode simulations were created by Visual Molecular Dynamics (VMD). VMD is developed with NIH support by the Theoretical and Computational Biophysics group at the Beckman Institute, University of Illinois at Urbana-Champaign.
http://www.ks.uiuc.edu/Research/vmd/

The movies of the phonon mode simulations were developed by Videomach.
http://www.gromada.com/download.html