HIGH-RESOLUTION INFRARED FOURIER-TRANSFORM EMISSION-SPECTROSCOPY OF METAL-HYDRIDES - X(2)SIGMA+STATE OF CAH

被引:13
作者
FRUM, CI
PICKETT, HM
机构
[1] Jet Propulsion Laboratory, California Institute of Technology, Pasadena
关键词
D O I
10.1006/jmsp.1993.1130
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 high-resolution vibration-rotation emission spectrum of the 2Σ+ ground state of calcium hydride has been recorded with a Bruker Fourier transform spectrometer. The gas-phase free radical has been generated in a ceramic furnace by the reaction of elemental calcium with molecular hydrogen in an electrical discharge. Two vibrational bands, the fundamental v = 1-0 and the v = 2-1 hot band, were observed. Rotational, centrifugal distortion, and spin-rotation interaction constants were determined with improved accuracy. © 1993 Academic Press, Inc.
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收藏
页码:329 / 336
页数:8
相关论文
共 23 条
[11]   A band of unusual structure probably due to a highly unstable calcium hydride molecule [J].
Mulliken, RS .
PHYSICAL REVIEW, 1925, 25 (04) :509-522
[12]  
OHMAN Y, 1935, STOCKHOLM OBS ANN, V12, P3
[14]   INFRARED DIODE-LASER SPECTROSCOPY OF CAH AND CAD (X-2SIGMA+) - DETERMINATION OF MASS-INDEPENDENT PARAMETERS [J].
PETITPREZ, D ;
LEMOINE, B ;
DEMUYNCK, C ;
DESTOMBES, JL ;
MACKE, B .
JOURNAL OF CHEMICAL PHYSICS, 1989, 91 (08) :4462-4467
[15]  
PETTERSSON GM, 1983, CHEM PHYS, V82, P355
[16]   THE FITTING AND PREDICTION OF VIBRATION-ROTATION SPECTRA WITH SPIN INTERACTIONS [J].
PICKETT, HM .
JOURNAL OF MOLECULAR SPECTROSCOPY, 1991, 148 (02) :371-377
[17]  
RAO TVR, 1983, J MOL STRUC-THEOCHEM, V105, P249
[18]   A THEORETICAL-STUDY OF ROTATIONAL VIBRATIONAL LEVELS OF THE LOWER 2-2-SIGMA+ STATES OF THE CAH MOLECULE [J].
SHIDA, N ;
TANAKA, K ;
OHNO, K .
JOURNAL OF MOLECULAR SPECTROSCOPY, 1987, 121 (02) :283-293
[19]   EXCITED-STATE MAGNETIC HYPERFINE INTERACTIONS IN GAS-PHASE STRONTIUM AND CALCIUM MONOHYDRIDES [J].
STEIMLE, TC ;
MEYER, TP ;
ALRAMADIN, Y ;
BERNATH, P .
JOURNAL OF MOLECULAR SPECTROSCOPY, 1987, 125 (01) :225-232
[20]   V2 BAND OF (H2O)-O-16 - LINE STRENGTHS AND TRANSITION FREQUENCIES [J].
TOTH, RA .
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, 1991, 8 (11) :2236-2255