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2D 1H,89Y heteronuclear shift correlation through scalar coupling has been applied to the chemical‐shift determination of a set of yttrium complexes with various nuclearities. This method allowed the determination of 89Y NMR data in a short period of time. Multinuclear NMR spectroscopy as function of temperature, PGSE NMR‐diffusion experiments, heteronuclear NOE measurements, and X‐ray crystallography...
Mixing Si and Ge: An important step towards the formation of Si–Ge mixed semiconducting materials has been taken. The ternary Zintl phases A4Si2Ge2 and Rb12Si12Ge5 contain a heteroatomic [Si4−xGex]4− Zintl cluster. The mixed clusters have been isolated from solution in form of the salt [Rb([18]−crown–6)]2Rb2[(MesCu)2(Si3.3(1)Ge0.7(1))](NH3)12 (see figure).
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