ccsd: nopen is not zero 1


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Just Got Here
Hi,

I'm getting an error while running NWChem for single-point energy calculation. Hope someone can help me.

Thanks.

Here is the part of the input file,

...
basis spherical
P library aug-cc-pVTZ
Au library "CRENBL ECP"
end
ecp
Au library "CRENBL ECP"
end

scf
 uhf    
doublet
maxiter 2000
end

ccsd
freeze core 
end