%mem=500MB
%nprocshared=1
%chk=/work/callan/cisbut/cisbut-orbssa.chk
#p CAS(4,4,nroot=2,stateaverage) STO-3G nosymm IOP(5/97=100,10/97=100) geom=checkpoint guess=read

cis butadiene state averaged orbitals, ground state

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