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1、第28卷第5期无机化学学报Vol.28No.52012年5月CHINESEJOURNALOFINORGANICCHEMISTRY1025-1030含吡咯三齿席夫碱配体的单核铜髤配合物的合成、晶体结构和性质李荣清*赵朴素张宇张载超刘仲雨赵振(淮阴师范学院化学化工学院,江苏省低维材料化学重点建设实验室,淮安223300)摘要:合成和表征了两个类似的三齿席夫碱配体(L1)-和(L2)-的铜髤配合物[CuL1I](1)和[CuL2I](2)(HL1为2-(2-pyridyl)-N-[1-(1H-pyrrol-2-yl)ethylidene
2、]ethanamine;HL2为N-[1-(1H-pyrrol-2-yl)ethylidene](2-pyridyl)methanamine),并用红外光谱、电喷雾质谱、紫外-可见光谱、单晶X-射线衍射和热重分析等手段对配合物进行了表征。对配合物1的X-射线晶体结构测定表明它是一个畸变的平面正方形单核铜髤配合物。晶体结构还表明,除了配体的柔性和空间限制外,分子间的相互作用也是影响铜髤配合物结构的因素。关键词:铜髤配合物;席夫碱;吡咯;三齿配体中图分类号:O614.121文献标识码:A文章编号:1001-4861(2012)05-1
3、025-06Synthesis,CrystalStructureandPropertiesofMonomericCopper髤ComplexesofPyrrole-ContainingTridentateSchiff-BaseLigands*LIRong-QingZHAOPu-SuZHANGYuZHANGZai-ChaoLIUZhong-YuZHAOZhen(JiangsuKeyLaboratoryfortheChemistryofLow-DimensionalMaterials,SchoolofChemistryandChemi
4、calEngineering,HuaiyinNormalUniversity,Huai′an,Jiangsu223300,China)1-2-1Abstract:Twocopper髤complexesofthehomologoustridentateSchiff-baseligands(L)and(L),[CuLI](1)2and[CuLI](2),havebeensynthesisedandcharacterisedbyIR,ES-MS,UV-Vis,singlecrystalX-raydiffraction1-2-andthe
5、rmogravimetricanalysis((L)and(L)arethedeprotonatedformsof2-(2-pyridyl)-N-[1-(1H-pyrrol-2-yl)12ethylidene]ethanamine(HL)andN-[1-(1H-pyrrol-2-yl)ethylidene](2-pyridyl)methanamine(HL),respectively).X-raycrystalstructuredeterminationcarriedouton1revealsthatitisadistorteds
6、quareplanarcopper髤monomer.Thecrystalstructureindicatesthattheintermolecularinteractionisalsoafactorwhichcaninfluencethestructuralpropertiesofcopper髤complexesinadditiontoligandflexibilityandstericconstraints.CCDC:862124.Keywords:copper髤complex;Schiff-base;pyrrole;tride
7、ntateligandOvertheyearsmuchattentionhasbeenpaidtotheinparticularthemixedpyrrole-imine-pyridineligands.1-2-3-4-complexesofawiderangeofacyclicSchiff-baseLigands(L),(L),(L)and(L),thedeprotonatedligands,inparticularthepyridine-containingsystems.formsof2-(2-pyridyl)-N-[1-(
8、1H-pyrrol-2-yl)ethylidene]1However,muchlessinteresthasbeenattractedtotheethanamine(HL),N-[1-(1H-pyrrol-2-yl)ethylidene](2-2c