--- trunk/src/primitives/Bend.cpp	2012/08/22 02:28:28	1782
+++ trunk/src/primitives/Bend.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 Bend::calcForce(RealType& angle, bool doParticlePot) {
-    Vector3d pos1 = atom1_->getPos();
-    Vector3d pos2 = atom2_->getPos();
-    Vector3d pos3 = atom3_->getPos();
+    Vector3d pos1 = atoms_[0]->getPos();
+    Vector3d pos2 = atoms_[1]->getPos();
+    Vector3d pos3 = atoms_[2]->getPos();
     
     Vector3d r21 = pos1 - pos2;
     RealType d21 = r21.length();
@@ -93,14 +93,14 @@ namespace OpenMD {
     Vector3d force2 = force1 + force3;
     force2 *= -1.0;
     
-    atom1_->addFrc(force1);
-    atom2_->addFrc(force2);
-    atom3_->addFrc(force3);
+    atoms_[0]->addFrc(force1);
+    atoms_[1]->addFrc(force2);
+    atoms_[2]->addFrc(force3);
 
     if (doParticlePot) {
-      atom1_->addParticlePot(potential_);
-      atom2_->addParticlePot(potential_);
-      atom3_->addParticlePot(potential_);
+      atoms_[0]->addParticlePot(potential_);
+      atoms_[1]->addParticlePot(potential_);
+      atoms_[2]->addParticlePot(potential_);
     }
    
     angle = theta /M_PI * 180.0;