O-18 ISOTOPE SHIFTS ON THE C-13 NUCLEAR MAGNETIC-RESONANCE OF METAL-CARBONYL DERIVATIVES
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abstract
The oxygen-18 isotope shifts on the natural abundance 13C spectra of oxygen-18 enriched samples of W(CO)8 and W(CO)5PPh3 have been observed to be 0.040 ppm (0.61 Hz at 15.03 MHz) upfield from that of a 13C nucleus bearing an oxygen-16 atom. 1979.