Abstract
By Fourier transform high resolution NMR spectroscopy the95Mo resonance lines of the tetrathiomolybdate species Mo32S 2−4 and Mo32S3 34S2− have been resolved in aqueous solutions of potassium- and ammonium tetrathiomolybdate. An isotope effect on the Larmor frequency of (0.09±0.01) ppm to lower frequency was found for the substitution of a32S atom by a34S atom in the MoS 2−4 ion.
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We are indebted to Prof. Dr. H. Krüger for his continuous support of this work. We thank the Deutsche Forschungsgemeinschaft for financial support.
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Lutz, O., Nolle, A. & Kroneck, P. Sulfur isotope effect on95Mo nuclear magnetic shielding in MoS 2−4 . Z Physik A 282, 157–158 (1977). https://doi.org/10.1007/BF01408158
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DOI: https://doi.org/10.1007/BF01408158