--- branches/development/src/brains/SimSnapshotManager.cpp	2011/01/17 21:34:36	1540
+++ branches/development/src/brains/SimSnapshotManager.cpp	2013/02/20 15:39:39	1850
@@ -35,8 +35,9 @@
  *                                                                      
  * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).             
  * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).          
- * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).          
- * [4]  Vardeman & Gezelter, in progress (2009).                        
+ * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 234107 (2008).          
+ * [4]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010).
+ * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
  */
  
 #include "brains/SimInfo.hpp"
@@ -66,6 +67,7 @@ namespace OpenMD {
 
     *previousSnapshot_ = *currentSnapshot_;
     currentSnapshot_->setID(currentSnapshot_->getID() + 1);    
+    currentSnapshot_->clearDerivedProperties();
     return true;
   }