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JULIANE FRITZSCHE, Universität Hannover, Institut für Physikalische Chemie, Callinstraß e 3-3a, D-30167 Hannover, Germany; MELANIE SCHNELL, Fritz-Haber-Institut der Max-Planck-Gesellschaft, Abteilung Molekülphysik, Faradayweg 4-6, D-14195 Berlin, Germany; JENS-UWE GRABOW, Universität Hannover, Institut für Physikalische Chemie, Callinstraß e 3-3a, D-30167 Hannover, Germany.
\noindent The microwave spectrum of (CH3)373GeCl has been studied using supersonic jet Fourier transform microwave spectroscopy in the range from 7-20 GHz. The assignment of the observed lines is complicated by the presence of three internal rotors and nuclear quadrupole coupling by two different nuclei.
\noindent The internal dynamics of the three methyl rotors and nuclear quadrupole coupling of chlorine yielding the V3 barrier to internal rotation and bonding situation of the chlorine atom, respectively, were determined recently. The current investigation extends the nuclear quadrupole coupling analysis towards 73Ge, with a nuclear spin of I = 9/2.