 2 is a real compound and not merely a van der Waals molecule consisting of weakly bound Xe atoms and Cl 
 2 <a href='drop_aux' title='1'><mark>is</mark></a>a real compound and not merely a van der Waals molecule consisting of weakly bound Xe atoms and Cl 
2 a real compound and not merely a van der Waals molecule consisting of weakly bound Xe atoms and Cl