--- trunk/tcProps/tcProps.h	2004/02/20 17:52:57	1061
+++ trunk/tcProps/tcProps.h	2004/02/20 21:20:37	1062
@@ -9,6 +9,7 @@ struct atomCoord{
   double pos[3];
   double vel[3];
   double u[3];
+  double mass;
 };