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1,4Cyclohexanedicarboxylicacid(1,4chdcH2)possessesachair typestructurewithcis andtrans conformations,soitcanconnectmetalionsindiffer entdirections.Hence,chdcmaybeagoodcandidate fortheconstructionofnovelcoordinationpoly mers[1-9].AsshowninFig.1[9],conformationAis Fig.1TransformsbetweenthedifferentconformationsofchdcH2theleaststableandisabletochangetoitsconformer Beasily.However,itisalittlemoredifficultwhenC becomesBbecausetheαprotonsshouldbedeproto natedtoacceleratetheequilibriumalthoughBi… 相似文献
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8-Hydroxyquinoline(HQ) and its derivatives areof the most intensivelyinvestigatedligands in the co-ordination chemistry[1 -3]. They have been used inmetallic ion detection,chromatography and especiallyin organic light-emitting diodes (OLEDS)[4]. Poly-oxometalates compounds have received muchattentionbecause of their potential applications in catalysis ,sorption, magnetism,photochemistry[5 ,6]. We origi-nally intended to gain the organic-inorganic hybridcomplex of HQ and polyoxometalates . … 相似文献
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