--- trunk/src/primitives/GhostBend.cpp	2012/08/22 02:28:28	1782
+++ trunk/src/primitives/GhostBend.cpp	2013/12/05 18:19:26	1953
@@ -35,7 +35,7 @@
  *                                                                      
  * [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).          
+ * [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).
  */
@@ -48,9 +48,9 @@ namespace OpenMD {
 
   /**@todo still a lot left to improve*/
   void GhostBend::calcForce(RealType& angle, bool doParticlePot) {
-    DirectionalAtom* ghostAtom = static_cast<DirectionalAtom*>(atom2_);
+    DirectionalAtom* ghostAtom = static_cast<DirectionalAtom*>(atoms_[1]);
     
-    Vector3d pos1 = atom1_->getPos();
+    Vector3d pos1 = atoms_[0]->getPos();
     Vector3d pos2 = ghostAtom->getPos();
 
     Vector3d r21 = pos1 - pos2;   
@@ -93,12 +93,12 @@ namespace OpenMD {
 
     // Total force in current bend is zero
 
-    atom1_->addFrc(force1);
+    atoms_[0]->addFrc(force1);
     ghostAtom->addFrc(-force1);
 
     ghostAtom->addTrq( cross(r23, force3) );    
     if(doParticlePot) {
-      atom1_->addParticlePot(potential_);
+      atoms_[0]->addParticlePot(potential_);
       ghostAtom->addParticlePot(potential_);
     }