多酸有机亚胺衍生物的紫外-可见光谱及其取代基效应

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Abstract In the presence of a carbodiimine, i.e. DCC, a series of organoimido derivatives of polyoxometalates have been synthesized via the reaction of [α-Mo₈O₂₆]^4- with aromatic amines and its hydrochloride salt. Elemental analysis, IR, ¹H-NMR and UV-Vis spectra were used to characterize those hybrids, in particular their UV-Vis spectra have been studied. The results show that typical metal-ligand charge transfer (MLCT) transitions occur in the organic-inorganic hybrid molecules. There is a good linear relationship between the shift of UV-Vis absorptions(Δλ_max) and conjugation effect of the p-substituted group (σ_R).

Key words：Organic-inorganic hybrid materials;Organoimido derivatives;Polyoxometalates;UV-Vis spectra;Substituent effect

Received: 2004-10-08 Accepted: 2005-01-16

ZTFLH:	O615.1
	O614.61+2

Corresponding Authors: GUO Hong-you

Cite this article:

LI Qiang,WEI Yong-ge,WANG Yuan, et al. The UV-Vis Spectra and Substituent Effect of Organoimido Derivatives of Polyoxometalates [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2005, 25(06): 923-926.

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https://www.gpxygpfx.com/EN/Y2005/V25/I06/923

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