--- trunk/OOPSE-4/forceFields/DUFF2.frc	2005/05/29 21:14:38	2247
+++ trunk/OOPSE-4/forceFields/DUFF2.frc	2005/09/15 00:10:58	2292
@@ -46,6 +46,8 @@ Ar		39.948		
 Ne		20.1797		
 S		32.066		
 Cl		35.4527		
+Cl-		35.4527
+Na+		22.98977
 Ar		39.948		
 Br		79.904		
 Kr		83.80
@@ -102,6 +104,8 @@ Ar	  	0.238068461226	3.41
 Ne	  	0.09339914589	2.72
 S	  	0.36366050421	3.52
 Cl	  	0.344781953445	3.35
+Cl-		0.100		4.445
+Na+		0.118		2.579
 Ar	  	0.238068461226	3.41
 Br	  	0.511111921764	3.54
 Kr	  	0.32590340268	3.83
@@ -123,6 +127,8 @@ end ChargeAtomTypes
 EP_TIP4P-Ew     -1.04844
 EP_TIP5P 	-0.241
 Cl	 	-1.0
+Cl-		-1.0
+Na+		1.0
 end ChargeAtomTypes
 
 begin MultipoleAtomTypes