ISSN:
1573-9171
Source:
Springer Online Journal Archives 1860-2000
Topics:
Chemistry and Pharmacology
Notes:
Conclusions 1. An analysis of the chemical shifts in the proton magnetic resonance (PMR) spectra of (CH3)3MX (M=Si, Ge; X=F, OCH3, Br, C6H5), (CH3)4−nMCln, (C2H5)4−nMCln, and (C2H5)3MBr, corrected for the effects of magnetic anisotropy and the electric field of the substituent X, showed that the ability of X for dπ−pπ interaction with the atom M decreases in the series: F〉OCH3〉Cl〉C6H5〉 Br. Silicon possesses greater ability for dπ−pπ interaction than germanium. 2. On the basis of a comparison of the results obtained with data on the IR spectra of silicon hydride, a hypothesis was advanced on the influence of hyperconjugation on the IR and PMR spectra of silanes.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00852661
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