$contrl scftyp=RHF runtyp=optimize icharg=0 mult=1 coord=cart $end $system timlim=16660 mwords=20 $end $statpt nstep=350 HESS=calc PURIFY=.TRUE. hssend=.true. $end $basis gbasis=n31 ngauss=6 $end $guess guess=huckel $end $data malonaldehyde C1 C 6.0 -2.035278 0.089081 -0.104584 O 8.0 -1.010376 -0.900375 -0.173096 H 1.0 -1.559616 1.094238 -0.118652 H 1.0 -2.607300 -0.057770 0.837646 H 1.0 -2.706985 -0.035385 -0.981934 H 1.0 -1.430862 -1.742447 -0.191086 O 8.0 1.755646 -0.574753 0.024826 C 6.0 1.825516 0.845139 0.149933 H 1.0 0.852448 -0.790375 -0.131836 H 1.0 1.158539 1.160522 0.982056 H 1.0 1.483932 1.302689 -0.804398 H 1.0 2.878906 1.129974 0.364288 $end