单一手性锌配位聚合物晶体结构,荧光及介电性质.pdf

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1、第28卷第6期无机化学学报V0l_28No．62012年6月CHINESEJOURNAL0FIN0RGANICCHEMISTRY1291．1297单一手性锌配位聚合物：晶体结构，荧光及介电性质陈立庄曹星星汪芳明谢国兰(江苏科技大学，生物与化学工程学院，镇江212003)摘要：在原位水热条件下，单一手性有机配体．甲基．2．(4．氰基苯胺)．3．(4羟基苯)丙酸甲酯与叠氮化钠和氯化锌反应，得到了一个新的四唑锌配位-,-一Ax物{【ZnBHPA)H20】·H20l(1，TBHPA=(S)一2一(4-(2日一tetrazol一5．y1)benzylamino)一3．(4．hydr

2、oxy—pheny1)propa．noicacid)。单晶结构表明该化合物结晶在手性空间群P222。，CD谱进一步证实该化合物固体粉末具有单一手性。倍频实验结果表明化合物1的SHG(倍频效应)响应大概是尿素的0．6倍。荧光测定结果显示该化合物在428nm处有较强的荧光发射峰f激发波长319nm)。另外，还研究了化合物1在室温条件下不同频率的介电常数变化。关键词：手性；锌配位聚合物；荧光；介电性质；倍频效应中图分类号：O614．241文献标识码：A文章编号：1001—4861(2012)06．1291．07AHomochiralZn(1I)CoordinationPolym

3、er：CrystalStructure，LuminescentandDielectricPropertyCHENLi—ZhuangCAOXing—XingWANGFang—MingXIEGuo—Lan(SchoolofBiologyandChemicalEngineering,JiangsuUniversityofScienceandTechnology,Zhenjiang,Jiangsu212003，China)Abstract：Atetrazole—basedZn(Ⅱ)coordinationpolymer，{[Zn(TBHPA)H20】·H20)(1)(TBHPA=

4、(S)一2一(4-(2H—tetrazol一5-y1)benzylamino)-3一(4一hydroxy—pheny1)propanoicacid)，wassynthesizedbyinsitureactionofhomochiralligand(33-methyl一2一(4一cyanobenzylamino)一3一(4一hydroxypheny1)propanoate，ZnC12andNaN3underhydrothermalconditions．SinglecrystalX—raydeterminationshowsthatcompound1crystallizein

5、chiralspacegroupsP21212landthesolidstateCDspectrumoffurtherindicatethecompound1ishomochira1．Theexperimentalresultindicatesthat1hasSHG(secondharmonicgeneration)activewithapproximateresponses0．6timesthatofurea．Fluorescentanalysisshowsitexhibitsoneintenseemissionbandat428nmwhentheexcitingrad

6、iationissetat319nm．Dielectricconstantofcompound1weremeasuredatdifferentfrequenciesatroomtemperature．CCDC：824889．Keywords：ehiral；Zn(II)coordinationpolymer；fluorescence；permittivityproperty；secondharmonicgenerationDesignofametalorganicframeworkviadeliberateimportancearenon—linearoptical(NLO

7、)functionselectionofmetalsandmuhifunctionalligandsisoneof(especiallySHG)andferroelectricpropertiesbecauseofthemostattractivetopicsduetotheirfascinatingtheirpracticalimportanceinareassuchasstructuraldiversitiesandpotentialapplicationsastelecommunications，opticalstora