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Citation: Zheng Qike, Yu Min, Zhou Ping. MATRIX ISOLATION INFRARED OF SF₆ IN SOLID AR N[J]. Acta Physico-Chimica Sinica, ;1988, 4(04): 415-418. doi: 10.3866/PKU.WHXB19880418 shu

MATRIX ISOLATION INFRARED OF SF₆ IN SOLID AR N

1.
Laser Chemistry Laboratory; Fudan University; Shanghai

Received Date: 13 December 1986
Available Online: 15 August 1988

Infrared spectra of SF_6 trapped in cryogenic matrix of ar n have been measured. Five peaks are observed at the frequencies of 938.51, 938.05, 937.55, 939.82 and 936.22 cm~(-1) for the v_3 mode. Varying the concentration of SF_6 in ar n matrix and diffusion studies indicate that the 937.55 cm~(-1) peak is due to SF_6 aggregate and the others arise from monomer. The changes in relative intensities with annealing show that there are at least three different trapping sites for monomeric SF_6 in ar n lattice. The result that the increase in intensity of the peak at 938.03 cm~(-1) parallels the decrease in that of the peak at 938.51 cm~(-1) implies a temperature-induced-change in the site population.
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MATRIX ISOLATION INFRARED OF SF6 IN SOLID AR N

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MATRIX ISOLATION INFRARED OF SF₆ IN SOLID AR N