P-31 SOLID-STATE NMR-SPECTRA OF CRYSTALLINE PHOSPHORIC-ACID AND THEIR RELATION TO THE STRUCTURE OF UREA PHOSPHATE

被引：8

作者：

VILA, AJ

LAGIER, CM

WAGNER, G

OLIVIERI, AC

机构：

[1] FAC CIENCIAS BIOQUIM & FARMACEUT ROSARIO,IQUIOS,SUIPACHA 531,RA-2000 ROSARIO,ARGENTINA

[2] FAC CIENCIAS BIOQUIM FARMACEUT ROSARIO,DEPT QUIM ANALIT,RA-2000 ROSARIO,ARGENTINA

[3] UNIV ILLINOIS,DEPT CHEM,MOLEC SPECT LAB,URBANA,IL 61801

来源：

JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS | 1991年 / 10期

关键词：

D O I：

10.1039/c39910000683

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The P-31 chemical shift tensor in crystalline phosphoric acid at 123 K is axially symmetric, with DELTA-sigma = +60 ppm; at room temperature a very small DELTA-sigma is observed, indicating either fast reorientational motion of PO4 tetrahedra or multiple proton transfer.

引用

页码：683 / 685

页数：3

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