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Although the scalar relaxation between the quadrupolar nucleus 17O and a phosphorus atom to which it is bonded can cause extreme broadening of the 31P resonance, it does not decouple the 31P nucleus even in a tightly coupled system; consequently the 31p_31p geminal coupling constant in pyrophosphate can easily be measured at low magnetic field.

Original publication




Journal article


Journal of the Chemical Society, Chemical Communications

Publication Date



877 - 879