PHOTOLYSIS OF NITRIC-ACID IN SOLID ARGON - THE INFRARED-ABSORPTION OF PEROXYNITROUS ACID (HOONO)

被引：109

作者：

CHENG, BM

LEE, JW

LEE, YP

机构：

[1] NATL TSING HUA UNIV,DEPT CHEM,101 SEC 2,KUANG FU RD,HSINCHU 30043,TAIWAN

[2] ACAD SINICA,INST ATOM & MOLEC SCI,TAIPEI 115,TAIWAN

来源：

JOURNAL OF PHYSICAL CHEMISTRY | 1991年 / 95卷 / 07期

关键词：

D O I：

10.1021/j100160a034

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Nitric acid (HONO2) in solid argon at 12 K was irradiated with ultraviolet light from various sources. Recombination of the fragments OH and NO2 from photolysis within the argon lattice site has led to the formation of peroxynitrous acid (HOONO). IR absorption lines at 3545.5, 1703.6, 1364.4, 952.0, and 772.8 cm-1 have been assigned to this molecule on the basis of isotopic shifts. Under certain conditions the lines at 3563.3, 1708.3, 1372.7, 957.4, and 782.9 cm-1 were also observed, and they have been attributed to HOONO in a less stable matrix site. The observed vibrational frequencies are in agreement with recent theoretical calculations on HOONO. The implication of the formation of HOONO from HONO2 to atmospheric chemistry is also discussed.

引用

页码：2814 / 2817

页数：4

共 36 条

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