in aa rdf neglect bins with zero atoms
in aa rdf neglect bins with zero atoms

junghans/csg,junghans/csg,votca/csg,MrTheodor/csg,votca/csg,votca/csg,MrTheodor/csg,votca/csg,junghans/csg,junghans/csg,MrTheodor/csg,junghans/csg,MrTheodor/csg,junghans/csg,MrTheodor/csg