The microwave and far infrared spectra of acetaldehyde-d1

被引:9
作者
Elkeurti, M. [1 ]
Coudert, L. H. [1 ]
Medvedev, I. R. [2 ]
Maeda, A. [2 ]
De Lucia, F. C. [2 ]
McKellar, A. R. W. [3 ]
Moazzen-Ahmadi, N. [4 ]
Appadoo, D. [5 ]
Toumi, S. [6 ]
机构
[1] Univ Paris Est & Paris Diderot, LISA, CNRS, UMR 7583, F-94010 Creteil, France
[2] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA
[3] Natl Res Council Canada, Steacie Inst Mol Sci, Ottawa, ON K1A 0R6, Canada
[4] Univ Calgary, Dept Phys & Astron, Calgary, AB T2N 1N4, Canada
[5] Univ Saskatchewan, Canadian Light Source, Saskatoon, SK S7N 0X4, Canada
[6] Univ Mokhtar Badji, LERICA, Annaba 23000, Algeria
基金
加拿大自然科学与工程研究理事会; 美国国家科学基金会;
关键词
CH3COD; Acetaldehyde; Internal rotation; Fast scan submillimeter spectroscopic; technique; Non-rigid molecule; Microwave spectrum; Synchrotron radiation; MILLIMETER-WAVE SPECTRUM; 1ST TORSIONAL STATES; OVER-ALL ROTATION; INTERNAL-ROTATION; ENERGY LEVELS; SUBMILLIMETER; MOLECULES; METHANOL; ROTOR;
D O I
10.1016/j.jms.2010.07.005
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
Experimental and theoretical investigations of the microwave and far infrared spectra of CH3COD are reported. 2883 lines were identified in the far infrared spectrum recorded using the Canadian synchrotron radiation light source. 1168 lines in nu(t) = 0 and 700 in nu(t) = 1 have been measured in the microwave spectrum obtained using the fast scan submillimeter spectroscopic technique. A global analysis of the new data and of already available microwave lines has been carried out and yielded values for 36 rotation-torsion parameters. The unitless weighted standard deviation of the fit is 0.9. (c) 2010 Elsevier Inc. All rights reserved.
引用
收藏
页码:145 / 149
页数:5
相关论文
共 23 条
[1]  
Albert S, 1998, ANAL CHEM, V70, p719A
[2]   INTERNAL-ROTATION IN ACETALDEHYDE [J].
BAUDER, A ;
GUNTHARD, HH .
JOURNAL OF MOLECULAR SPECTROSCOPY, 1976, 60 (1-3) :290-311
[3]   STARK EFFECT AND ISOMETRIC GROUPS ON NONRIGID MOLECULES .1. GENERAL THEORY AND DETERMINATION OF RELATIVE SIGNS OF COMPONENTS OF ELECTRIC-DIPOLE MOMENT OF SEMIRIGID MOLECULES WITH ONE AND 2 SYMMETRIC ROTORS [J].
BOSSERT, W ;
EKKERS, J ;
BAUDER, A ;
GUNTHARD, HH .
CHEMICAL PHYSICS, 1978, 27 (03) :433-463
[4]   Internal rotation and hyperfine coupling interaction in deuterated acetaldehyde [J].
Coudert, L. H. ;
Lopez, J. C. .
JOURNAL OF MOLECULAR SPECTROSCOPY, 2006, 239 (02) :135-145
[5]   MICROWAVE EMISSION OF 211-]212 ROTATIONAL TRANSITION IN INTERSTELLAR ACETALDEHYDE [J].
FOURIKIS, N ;
SINCLAIR, MW ;
ROBINSON, BJ ;
GODFREY, PD ;
BROWN, RD .
AUSTRALIAN JOURNAL OF PHYSICS, 1974, 27 (03) :425-430
[6]   OBSERVATION OF 616-515 TRANSITIONS OF ACETALDEHYDE IN SAGITTARIUS-B2 [J].
GILMORE, W ;
MORRIS, M ;
JOHNSON, DR ;
LOVAS, FJ ;
ZUCKERMAN, B ;
TURNER, BE ;
PALMER, P .
ASTROPHYSICAL JOURNAL, 1976, 204 (01) :43-46
[7]  
Gottlieb C. A., 1973, MOL GALACTIC ENV, P181
[8]   A NEW ANALYSIS AND ADDITIONAL MEASUREMENTS OF THE MILLIMETER AND SUBMILLIMETER SPECTRUM OF METHANOL [J].
HERBST, E ;
MESSER, JK ;
DELUCIA, FC ;
HELMINGER, P .
JOURNAL OF MOLECULAR SPECTROSCOPY, 1984, 108 (01) :42-57
[9]   CALCULATION OF ENERGY LEVELS FOR INTERNAL TORSION AND OVER-ALL ROTATION .3. [J].
HERSCHBACH, DR .
JOURNAL OF CHEMICAL PHYSICS, 1959, 31 (01) :91-108
[10]   SELECTION-RULES AND INTENSITY CALCULATIONS FOR A C(S) ASYMMETRIC-TOP MOLECULE CONTAINING A METHYL-GROUP INTERNAL ROTOR [J].
HOUGEN, JT ;
KLEINER, I ;
GODEFROID, M .
JOURNAL OF MOLECULAR SPECTROSCOPY, 1994, 163 (02) :559-586