含有雜環(huán)配體的系列稀土配合物的合成、結(jié)構(gòu)及熱分解動力學(xué)研究.pdf

1、遼寧師范大學(xué)碩士學(xué)位論文含有雜環(huán)配體的系列稀土配合物的合成、結(jié)構(gòu)及熱分解動力學(xué)研究姓名：袁厚群申請學(xué)位級別：碩士專業(yè)：物理化學(xué)指導(dǎo)教師：邢永恒20070401含雜環(huán)配體的系列稀土配臺物的合成、結(jié)構(gòu)及熱分解動力學(xué)研究Abs仃actFourLanthanidescomplexesandthreetransitionmetalcomplexwithNphenylligandswe：resynthesizedundertheloomtemper

2、atureandhydrothermalconditionThecomplexeshavebeencharacterizedbyelementalanalysisⅡtandthecrystalstructureswcgedeterminedbyXraydiffractionFurthermole，thethermaldecompositionprocessesofthecomplexesWerediscusseddetailedandt

3、hekineticsofthermaldecompositionofthe5complexeswemstudiedbythermalanalysistechniqueundernonisothermalconditionTheformulasoftheseseVellcomplexesagcasfollows：(1)【Sm2(phan)2(cH3c00)鵬瑚(2)【Nd2(phen)2(CH3COO)4(N03)2](3)【Eu(phe

4、n)2(N03)3】(4)【Ho(phen)2(N03)3】圓[V6012(phen)4(CH30)4]。4H20卿【Cu(H2S(pzhh]∽【NiOl2B(pz)2h]Nonisothermalthermaldecompositionkineticstudiesrevealedthat，bothofthepossiblereactionmechanismsofthe1ststepthermaldecompositionofcompl

5、ex1andcomplex3werefitwiththe6thfunctionthekineticequationmaybeexpressedasda／dT=4alOe‘E／sr(1口)1，2【1(14)1／2]坍，andtheapparentactivationenergyofeachreactionwc∞14506，19670kJ／molandpreexponentialfactorwerelnA=2695，3431respecti

6、velyAndbothofthepossiblereactionmechanismofthe1ststepthermaldecompositionofcomplex2andthe2ndstepofcomplex4WeTefitwiththe23rdfunctionthekineticequationmaybeexpressedaSda／dT=諶|仔恒聰fandtheapparentactivationenergyofeachreacti

7、onwere27172，25681kJ／molandpreexponentialfactorWCiclnA=5200，4558，respectivelyThepossiblereactionmechanismsof1stand2ndstepthermaldecompositionofcomplex7werefitwiththe3rdand17thfunctionrespectivelyAndeachkineticequationmayb

8、eexlneSsedasdaldT=劃腳c_朋1(1口)1】t／2andda／dT=礎(chǔ)柳c‘E／RT(14)1／2respectivelyEachapparentactivationenergywcre260盯17627kJ／mol，andpreexponentialfactorwerelnA=6565，3711，respectivelyKeywords：tanthanidescomplexes；crystalstructure；the