! EXAM30. ! Test of water EFP ... formamide/three water complex ! ! FINAL E= -169.0085355753 after 12 iterations ! RMS gradient=0.008157643 ! ! The geometry below combines a computed gas phase ! structure for formamide, with three waters located ! in a cylic fashion whose positions approximate the ! minimum structure of W.Chen and M.S.Gordon. This ! approximate structure lies about 11 mHartree above ! the actual minimum. ! $contrl scftyp=rhf runtyp=gradient coord=zmt $end $system timlim=2 $end $basis gbasis=dh npfunc=1 ndfunc=1 $end $data formamide with three effective fragment waters C1 C O 1 rCO N 1 rCN 2 aNCO H 3 rNHa 1 aCNHa 2 0.0 H 3 rNHb 1 aCNHb 2 180.0 H 1 rCH 2 aHCO 4 180.0 rCO=1.1962565 rCN=1.3534065 rNHa=0.9948420 rNHb=0.9921367 rCH=1.0918368 aNCO=124.93384 aCNHa=119.16000 aCNHb=121.22477 aHCO=122.30822 $end $efrag coord=int fragname=H2ORHF O1 4 1.926 3 175.0 1 180.0 H2 7 0.9438636 4 117.4 3 -175.0 H3 7 0.9438636 8 106.70327 4 95.0 fragname=H2ORHF O1 8 1.901 7 175.0 4 0.0 H2 10 0.9438636 8 110.0 4 -5.0 H3 10 0.9438636 11 106.70327 8 -95.0 fragname=H2ORHF H2 2 1.951 1 150.0 3 0.0 O1 13 0.9438636 2 177.0 3 0.0 H3 14 0.9438636 13 106.70327 3 140.0 $end