FAR INFRARED TORSIONAL AND BENDING VIBRATIONS OF BENZALDEHYDES, PYRIDINE CARBOXALDEHYDES, ACETOPHENONE, STYRENE AND THEIR HALOGEN DERIVATIVES. THE CALCULATION OF BARRIER HEIGHT TO INTERNAL ROTATION

FAR INFRARED TORSIONAL AND BENDING VIBRATIONS OF BENZALDEHYDES, PYRIDINE CARBOXALDEHYDES, ACETOPHENONE, STYRENE AND THEIR HALOGEN DERIVATIVES. THE CALCULATION OF BARRIER HEIGHT TO INTERNAL ROTATION

The far infrared spectra of benzaldehyde, pyridine carboxaldehydes, acetophenone, styrene, nitrobenzene, and some of the halogen derivatives have been investigated. Torsional vibrations have been assigned and barriers to internal rotation have been calculated for the C-C single bond. Results are giv...

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Bibliographische Detailangaben
Hauptverfasser: Fateley,William G, Miller,Foil A, Witkowski,Robert E
Format: Report
Sprache:eng
Schlagworte:
ALDEHYDES
AROMATIC COMPOUNDS
BENZALDEHYDE
CHEMICAL BONDS
COMPUTER PROGRAMMING
CRYSTALS
HALOGEN COMPOUNDS
INFRARED SPECTRA
INFRARED SPECTROSCOPY
INTERFEROMETERS
POLYETHYLENE PLASTICS
PYRIDINES
QUARTZ
SILICON
VIBRATION
WATER
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Beschreibung
Zusammenfassung:The far infrared spectra of benzaldehyde, pyridine carboxaldehydes, acetophenone, styrene, nitrobenzene, and some of the halogen derivatives have been investigated. Torsional vibrations have been assigned and barriers to internal rotation have been calculated for the C-C single bond. Results are given on the shift in frequency resulting from changes from liquid to vapor phase as well as reporting the differences in the calculated barrier height. Experimental evaluation of the interferometer's performance is reported. The computed program for taking the Fourier transpose of the interferogram is given. The transmission of many available commercial crystals and polyethylenes are also reported. (Author) See also Part 1, AD-605 410.