Application of the MAS-J-HMQC experiment to a new pair of nuclei {29Si,31P}: Si5O(PO4)6 and SiP2O7 polymorphs
作者： C Coelho , T Azais , L Bonhomme-Coury , J Maquet , Dominique Massiot
DOI: 10.1016/J.JMR.2005.11.015
关键词:
摘要: We report the results of two-dimensional MAS-J-HMQC experiment providing scalar correlations between 29Si and 31P nuclei in solid state NMR, we give first evaluation 2JSi-O-P coupling constants (15 Hz) for a crystalline silicophosphate phase Si5O(PO4)6. The is applied to characterization complex mixtures SiP2O7 phases, through editing spin pairs by heteronuclear 2JP-O-Si interaction.
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