Symmetry group Three dimensions

http://en.wikipedia.org/wiki/Symmetry_group#Three_dimensions

http://en.wikipedia.org/wiki/Jahn%E2%80%93Teller_effect

http://www.dailymail.co.uk/sciencetech/article-3083266/New-state-matter-discovered-Jahn-Teller-metal-breakthrough-lead-new-generation-trains-cars-gadgets.html