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时间:2020-03-27
《特戊酸和含氮配体构筑的Ln(Ⅲ)配合物的结构、热稳定性和荧光性质.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第32卷第8期无机化学学报VoI_32No.82016年8月CHINESEJOURNALOFINORGANICCHEMISTRY1449.1456特戊酸和含氮配体构筑的LI配合物的结构、热稳定性和荧光性质方洁芳熊艳菊程靖祥黄树婷方乐欣陆殉乐善堂(华南师范大学化学与环境学院,广州510006)摘要:在水热条件下2个配体特戊酸(pivH)和1一日一咪唑[4,5-f1[1,10]-菲咯啉(IP)和稀土金属反应得到了6个稀土配合物[Ln(piv)3(IP)d,(Ln=Nd(1),Eu(2),Gd(3),Tb(4),Dy(S
2、),Ho(6))。结果显示,2个混合配体和不同的稀土金属形成了6个相似的零维结构,进而通过N.H⋯0氢键和7r一7r堆积作用,形成一维链状结构。6个配合物均用元素分析、~(PXRD)、红外光谱(用R)进行了表征.且对配合物2和4的荧光性质及1和2的热稳定性进行了详细的分析。关键词:稀土配合物;特戊酸;荧光性质;热重分析中图分类号:O614-33+5;O614.338;O614.33;O614.341文献标识码:A文章编号:1001—4861(2016)08—1449—08DoI:10.11862/CJIC.2016
3、.186Lanthanide(H1)CoordiantionComplexeswithPivalatesandChelatingN·DonorLigands:Syntheses,Structures,ThermalStabilitiesandLuminescencePropertiesFANGJie·-FangXIONGYan·-JuCHENGJing·-XiangHUANGShu--TingFANGLe—XinLUXunYUEShan-Tang(SchoolofChemistryandEnvironment,So
4、uthChinaNormalUnive~ity,Guangzhou510006,China)Abstract:Aseriesofnovelmonometalliccoordinationcomplexes[Ln(piv)3(IP)2],(Ln=Nd(1),Eu(2),Gd(3),Tb(4),Dy(5),Ho(6),IP=I-H-imidazo[4,5-f1[1,10]一phenanthroline,pivH=pivalicacid)havebeensuccessfullysynthesizedunderhydrot
5、hermalcondition.Complexes1-6havebeendeterminedbysingle—crystalX-raydiffractionanalyses,elementalanalyses,IRspectroscopyandpowderX—raydiffraction.Theresultrevealsthatallthesixnewcomplexespresentsimilar0-dimensionalstructures,whicharefurtherextendedintotheone-di
6、mensional(1D)architecturesthroughhydrogenbondsand7r·7rstackinginteractions.Meanwhile.thethermogravimetrieanalysesofcomplexes1and2andphotoluminescentpropertiesofcomplexes2and4havealsobeeninvestigated.CCDC:1476957,1;1476958,2;1476959,3;1476960,4:1476961,5;147696
7、2,6.Keywords:Ln0ⅢDcomplex;pivalicacid;luminescent;thermogravimetricanalysis0Introduction㈣coordinationpolymershaveuniquepropertiessuchasline—likeemission,highcolorpurity,longTheversatilelanthanidecomplexeswithnovelluminescencelifetimeandhighquantumyields[41.str
8、ucturesandopticalpropertieshaverecentlydrawnHowever,ingeneral,thespin/parity—forbiddennatureconsiderablefocusasaresultoftheirpromisingofthef-ltransitionsoflanthanideionresultsinapp
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