Author/Authors :
Rasmussen، نويسنده , , J.T and Hohwy، نويسنده , , M and Jakobsen، نويسنده , , H.J and Nielsen، نويسنده , , N.C، نويسنده ,
Abstract :
It is shown that the magnitude and absolute orientation of 1H chemical shielding tensors may be determined from polycrystalline powders using combined rotation and multiple pulse spectroscopy (CRAMPS) by simultaneous evolution under chemical shielding and heteronuclear dipolar coupling interactions. An experimental approach based on the broadband high-order truncating MSHOT-3 homonuclear decoupling sequence is demonstrated for the hydrogen bonded proton within the 31P–1H–31P three-spin systems of a powder of KH2PO4.
