单一手性锌配位聚合物:晶体结构,荧光及介电性质(英文) 被引量：3

A Homochiral Zn(Ⅱ) Coordination Polymer:Crystal Structure,Luminescent and Dielectric Property

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摘要在原位水热条件下,单一手性有机配体(S)-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聚合物{[Zn(TBHPA)H2O].H2O}n(1,TBHPA=(S)-2-(4-(2H-tetrazol-5-yl)benzylamino)-3-(4-hydroxy-phenyl)propa-noic acid)。单晶结构表明该化合物结晶在手性空间群P212121,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428 nm处有较强的荧光发射峰(激发波长319 nm)。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。 A tetrazole-based Zn（Ⅱ） coordination polymer, {[Zn（TBHPA）H2O]·H2O}n（1）（TBHPA=（S）-2-（4-（2H-tetrazol -5-yl）benzylamino）-3-（4-hydroxy-phenyl） propanoic acid）, was synthesized by in situ reaction of homochiral ligand （S）-methyl-2-（4-cyanobenzylamino）-3-（4-hydroxyphenyl）propanoate, ZnCl2 and NaN3 under hydrothermal conditions. Single crystal X-ray determination shows that compound 1 crystallize in chiral space groups P212121 and the solid state CD spectrum of further indicate the compound 1 is homochiral. The experimental result indicates that 1 has SHG （second harmonic generation） active with approximate responses 0.6 times that of urea. Fluorescent analysis shows it exhibits one intense emission band at 428 nm when the exciting radiation is set at 319 nm. Dielectric constant of compound 1 were measured at different frequencies at room temperature. CCDC： 824889.

作者陈立庄曹星星汪芳明谢国兰

机构地区江苏科技大学

出处《无机化学学报》 SCIE CAS CSCD 北大核心 2012年第6期1291-1297,共7页 Chinese Journal of Inorganic Chemistry

基金江苏省自然科学基金(No.BK2008029) 江苏省教育厅基金(No.11KJB150004)资助项目

关键词手性锌配位聚合物荧光介电性质倍频效应 chiral Zn（Ⅱ） coordination polymer fluorescence permittivity property second harmonic generation

分类号 O614.241 [理学—无机化学]

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