HIGH-RESOLUTION FTIR STUDY OF THE NU-4-BAND OF CH2F2

被引:12
作者
DEO, MN [1 ]
DCUNHA, R [1 ]
WEBER, A [1 ]
OLSON, WB [1 ]
机构
[1] NATL INST STAND & TECHNOL, DIV MOLEC PHYS, GAITHERSBURG, MD 20899 USA
关键词
D O I
10.1016/0022-2852(92)90031-I
中图分类号
O64 [物理化学(理论化学)、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号
070203 ; 070304 ; 081704 ; 1406 ;
摘要
The infrared absorption spectrum of the ν4 fundamental band of CH2F2 has been measured in the region 460-600 cm-1 under high resolution. More than 2700 lines have been assigned in this B-type band of the lowest fundamental centered at 528.5 cm-1. These data have been combined with all available pure rotational measurements on the upper state in a least-squares fit. Accurate values for the band origin and other molecular parameters for the ν4 state have been obtained which fit the data with an overall standard deviation of 3.7 × 10-4 cm-1. © 1992.
引用
收藏
页码:83 / 92
页数:10
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