CHARACTERIZATION OF PARTIALLY DEUTERIATED TRANSITION-METAL POLYHYDRIDO COMPLEXES BY HETERONUCLEAR 2D-NMR TECHNIQUES

被引:25
作者
NANZ, D
VONPHILIPSBORN, W
BUCHER, UE
VENANZI, LM
机构
[1] UNIV ZURICH,INST ORGAN CHEM,WINTERTHURERSTR 190,CH-8057 ZURICH,SWITZERLAND
[2] SWISS FED INST TECHNOL,ANORGAN CHEM LAB,CH-8092 ZURICH,SWITZERLAND
关键词
2D-NMR; RH-103; NMR; INVERSE DETECTION; ISOTOPE EFFECTS; POLYHYDRIDES; H2; COMPLEXES;
D O I
10.1002/mrc.1260291310
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
(H-1, Rh-103) and (H-1, Rh-103){H-2} inverse correlation techniques, which profit from the presence of a magnetically active central metal nucleus, were applied to the complex [RhY2(Y2){HB(3,5-Me2pz)3}] (Y = H or D; pz = pyrazolyl) containing both 'classical' and 'non-classical' hydrogen ligands. The sample examined was a mixture of all species ranging from the perprotio to the perdeuterio compound. It is shown that the large isotope chemical shifts of the Rh nucleus can be used to separate the 1D H-1 and H-1{H-2} NMR spectra of the different H/D isotopomers. The observed isotope effects are discussed.
引用
收藏
页码:S38 / S44
页数:7
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