RING-PUCKERING COMBINATION BAND SPECTRA OF AN ISOTOPIC IMPURITY - 1,3-DISILACYCLOBUTANE-1,1,3-D3
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An isotope doping procedure has been used to produce a mixture containing 1,3-disilacyclobutane-1,1,3,3-d4 (predominantly) and 29% of the -1,1,3-d3 species. Investigation of the SiH stretching band at 2153 cm1 of the d3 molecule shows fourteen sum and difference bands arising from the low-frequency ring-puckering motion. The analysis of this spectrum together with those for the d0 and the -1,1,3,3-d4 molecules demonstrate that a uniform amount of SiH2 rocking is coupled to the ring-puckering motion in all isotopic species and that the kinetic energy model previously proposed is valid. The technique for analyzing isotopic impurities demonstrated in this work should be valuable for future investigations. 1980, All rights reserved.
JOURNAL OF MOLECULAR SPECTROSCOPY
author list (cited authors)
JAGODZINSKI, P. W., IRWIN, R. M., COOKE, J. M., & LAANE, J.
complete list of authors
JAGODZINSKI, PW||IRWIN, RM||COOKE, JM||LAANE, J