--- branches/new_design/OOPSE-2.0/src/brains/SimInfo.cpp	2004/12/05 22:02:42	1854
+++ branches/new_design/OOPSE-2.0/src/brains/SimInfo.cpp	2004/12/06 04:49:53	1856
@@ -146,6 +146,8 @@ bool SimInfo::addMolecule(Molecule* mol) {
         nCutoffGroups_ += mol->getNCutoffGroups();
         nConstraints_ += mol->getNConstraints();
 
+        addExcludePairs(mol);
+        
         return true;
     } else {
         return false;
@@ -169,6 +171,7 @@ bool SimInfo::removeMolecule(Molecule* mol) {
         nCutoffGroups_ -= mol->getNCutoffGroups();
         nConstraints_ -= mol->getNConstraints();
 
+        removeExcludePairs(mol);
         molecules_.erase(mol->getGlobalIndex());
 
         delete mol;