message: Fix NaN for symmetrical ligands
diff: @@ -315,6 +315,8 @@ void TemplateTool::emptyLeftClick(QMouseEvent *e)
  }
  Vector3 rotateLigandCoords(Vector3 in, Vector3 centerVector, Vector3 outVector) {
  + if (centerVector.norm() == 0.0 || outVector.norm() == 0.0)
  + return in;
  Vector3 axis = centerVector.cross(outVector);
  axis.normalize();
  double angle = acos(centerVector.dot(outVector) / centerVector.norm() / outVector.norm());
  