[CP2K:3228] spin-polarized calculation with biased spin: how to obtain ground state of oxygen atom

[Valerio Bellini]

Dear Gabriele,
you have to specify the MULTIPLICITY label in your input file
otherwise the program assume you have S=0 (multiplicity 1, for an even 
number of electrons)
( 
http://cp2k.berlios.de/manual/CP2K_INPUT/FORCE_EVAL/DFT.html#desc_MULTIPLICITY 
)
cheers,
Valerio