Density functional theory (DFT) is a powerful technique used in theoretical chemistry (and physics) that unfortunately can be quite difficult to explain.
A short (yet complete) introduction to DFT is given by Klaus Capelle as a very nice, freely accessible, educational material.
It also happen to be one of my favorite teaching material!
Any noteworthy educational contents about theoretical chemistry? Please let us know!
Thank you for giving this nice and interesting reference. 🙂
Does this article discuss the all-important question of which density functional to choose for a project?
Things were so much simpler when everyone believed in B3LYP. 🙂
What do you mean? Who stop believing in B3LYP? 🙂
More seriously, it’s only an introduction so the problem of choosing appropriate functional is not discussed.
Personally I like to follow the Perdew’s ladder  with a twist: I go up one step each time someone complain my calculations take too much time
 The Journal of Chemical Physics 123, 062201 (2005).
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