--- branches/new_design/OOPSE-3.0/src/primitives/Molecule.cpp	2004/12/03 21:30:30	1843
+++ branches/new_design/OOPSE-3.0/src/primitives/Molecule.cpp	2004/12/03 22:36:06	1844
@@ -108,7 +108,9 @@ void Molecule::complete() {
     Atom* atom;
     AtomIterator ai;
     for (atom = beginAtom(ai); atom != NULL; atom = nextAtom(ai)) {
-        if (rigidAtoms.find(*ai) != rigidAtoms.end()) {
+   
+        if (rigidAtoms.find(*ai) == rigidAtoms.end()) {
+            //if an atom does not belong to a rigid body, it is an integrable object
             integrableObjects_.push_back(*ai);
         }
     }