[image]https://kb.osu.edu/dspace/bitstream/1811/7745/1/1958-H-06.jpg[/image]

[image]http://www.chem.leeds.ac.uk/boronweb/ormsby/psi-ence/sv1201213.gif[/image]

[url=http://en.wikipedia.org/wiki/Slater-type_orbital]More info here![/url]