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基体隔离红外光谱已被广泛用于研究不稳定分子和离子的光谱,而且对研究分子间的相互作用也是十分重要的。SF_6在Ar基体中的v_3谱的测定,前人只观察到SF_6单体的谱带。至于SF_6的簇合物,除了在超声分子束中发现(SF_6)_2和(SF_6)_3有存在的可能性之外,至令尚未见报道。本文采用多微孔喷咀和连续沉积法,在低温(10—30K)条件下用傅里哀变换红外光谱仪测定SF_6在Ar基体中的光谱,并通过改变SF_6与Ar的配比以及升温扩散测定SF_6聚集体的谱
Matrix isolation infrared spectroscopy has been widely used to study the spectra of unstable molecules and ions, and it is also very important to study the intermolecular interactions. The determination of the v_3 spectrum of SF_6 in Ar matrix revealed only the SF_6 monomer band. As for the SF_6 cluster, it has not been reported except for the possibility of the existence of (SF_6) _2 and (SF_6) _3 in the molecular beam of ultrasound. In this paper, the micropore nozzle and continuous deposition method were used to measure the spectrum of SF_6 in Ar matrix by Fourier transform infrared spectroscopy at low temperature (10-30K). By changing the ratio of SF_6 to Ar and the temperature rising diffusion Spectrum of SF_6 aggregates