References

[Gri10]
  1. Grimme, J. Antony, S. Erlich, H. Krieg. J Chem Phys 132(15): 154104, 2010. doi:10.1063/1.3382344
[Kro92]H.W. Kroto. “Molecular Rotation Spectra.” 1st Dover ed. Mineola, NY: Dover Publications, 1992. Google Books
[Kru12]
  1. Kruse, S. Grimme. J Chem Phys 136(15): 154101, 2012. doi:10.1063/1.3700154

From the NIST Reference on Constants, Units and Uncertainty extlink

[NISTCUU_B]“Atomic Unit of Length.” http://physics.nist.gov/cgi-bin/cuu/Value?tbohrrada0|search_for=atomic+length. Accessed 20 Feb 2016.
[NISTCUU_Eh]“Hartree-Joule Relationship.” http://physics.nist.gov/cgi-bin/cuu/Value?hrj|search_for=hartree. Accessed 20 Feb 2016.
[NISTCUU_me]“Electron Mass.” http://physics.nist.gov/cgi-bin/cuu/Value?me|search_for=electron+mass. Accessed 20 Feb 2016.
[NISTCUU_me_u]“Electron Mass in u.” http://physics.nist.gov/cgi-bin/cuu/Value?meu|search_for=u+in+electron+mass. Accessed 25 Jun 2016.
[NISTCUU_Ta]“Atomic Unit of Time.” http://physics.nist.gov/cgi-bin/cuu/Value?aut|search_for=atomic+time. Accessed 20 Feb 2016.
[NISTCUU_u_kg]“Atomic Mass Unit-Kilogram Relationship.” http://physics.nist.gov/cgi-bin/cuu/Value?ukg|search_for=atomic+mass. Accessed 25 Jun 2016.