Ar n2 ) are exhibited . we obtain the complete information and a whole microscopic picture of the intermolecular actions and relative motions of these complexes . all observed bands are rationally assigned by isotope effect and calculated at the internal rotational levels and external vibrational levels are obtained 由理论计算和同位素效应对光谱的分析作了合理的归属，获得了复合物c _ 6h _ 5ch _ 3 … n _ 2 、 ar的分子间相对振动模式和内转动的能级跃迁完整信息。
