Spin-orbit


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Just Got Here
Hi,

I am a little confused by the spin-orbit calculations settings in Nwchem 6.0.

When SODFT is switched on in the DFT directory, like

dft
sodft
end

Does the calculation use two-component spinor for calculations as stated in

Nichols, P.; Govind, N.; Bylaska, E.J.; de Jong, W.A. (2009). "Gaussian Basis Set and Planewave Relativistic Spin-Orbit Methods in NWChem". Journal of Chemical Theory and Computation 5: 491-499.

?

If this is true, I guess the alpha/beta spin symmetries are broken and one should not set the

mult

options in dft directory anymore?

And also I see there is still reported in the output. How is that calculated?

Thanks.

Andy