--- trunk/tcProps/tcProps.h	2004/02/13 22:13:06	1052
+++ trunk/tcProps/tcProps.h	2004/03/03 15:16:15	1080
@@ -2,13 +2,14 @@ enum atomNames { HEAD, CH, CH2, CH3, SSD };
 #define __TCPROPS_H__
 
 
-enum atomNames { HEAD, CH, CH2, CH3, SSD };
+enum atomNames { HEAD=0, CH, CH2, CH3, SSD, COM };
 
 struct atomCoord{
   enum atomNames type;
   double pos[3];
   double vel[3];
   double u[3];
+  double mass;
 };