共查询到20条相似文献，搜索用时 15 毫秒
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SUN Shu Qing WU Pei Ji ZHU Dao Ben 《结构化学》1999,18(2)
１ＩＮＴＲＯＤＵＣＴＩＯＮＴｈｅＮｉ（ｄｍｉｔ）２ｍｏｌｅｃｕｌｅｓｇｉｖｅｒｉｓｅｔｏａｎｕｍｂｅｒｏｆｍｏｌｅｃｕｌａｒｃｏｎｄｕｃｔｏｒｓ〔１，２〕ｉｎａｄｄｉｔｉｏｎｔｏｓｕｐｅｒｃｏｎｄｕｃｔｏｒｓ〔３，４〕．Ｔｈｅｍｕｌｔｙｓｕｌｆｕｒｆ... 相似文献
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lINTRODUCTIONThefirstheteronucleartransitionmetalclusterHFeCo,(Co),,wassynthesizedbyChinit13in196Obyusingthepyrolysisofmeta1carbonyldimers.Analysisofcar-bonylIRspectraandX-raypowderpatternsindicatedthatthiscompoundisisostruc-tural.withCo'(CO),,andthushasC,.symmetry(".MaysE'-'ihascarriedoutIRspectraandmassspectraonthiscompoundandkineticisotopestudiesontheprotona-tionoftheanion[FeCo,(CO),,j-,andproposedonthebasisofthisevidencethatthehydrogenatommightbelocatedinthecenterofthecluster.… 相似文献
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１ＩＮＴＲＯＤＵＣＴＩＯＮＯｒｇａｎｏｌａｎｔｈａｎｉｄｅｃｏｍｐｌｅｘｅｓｉｎｖｏｌｖｉｎｇｂｏｔｈｃｙｃｌｏｐｅｎｔａｄｉｅｎｙｌａｎｄβ ｄｉｋｅｔｏｎａｔｏｃｈｅｌａｔｅｌｉｇａｎｄｓｈａｖｅｂｅｅｎｓｙｎｔｈｅｓｉｚｅｄ〔１ ４〕,ａｎｄｏ... 相似文献
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１ＩＮＴＲＯＤＵＣＴＩＯＮＴｈｅｃｈｅｍｉｓｔｒｙｏｆｃｏｍｐｏｕｎｄｓｗｉｔｈｄｍｉｔ（ｄｍｉｔ＝１,３ ｄｉｔｈｉｏｌｅ ２ ｔｈｉｏｎｅ ４,５ ｄｉｔｈｉｏｌａｔｅ）ｈａｓａｔｒａｃｔｅｄｃｏｎｓｉｄｅｒａｂｌｅａｔｅｎｔｉｏｎｒｅｃｅｎｔｌ... 相似文献
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1INTRoDUCTIoNThiomolybdate(thiotungstate)isafundamentalunitoPsomemolybdenumen-zymesandplaysanimportantroleincoordinationchemistryasaligandforothermet-alstoformanalogouscompoundsofmetalloproteinst'3.Recentlyinterestingnonlinearoptical(NLO)propertieshavebeendiscoveredforthetypeofMo(W)-Cu(Ag)-Sclusterst2.33.Bythevarioussyntheticmethodsseveralhundredmixedmetalclustersandcomplexes,Mo(W)-M-S(M=transitionmetal),havebeensynthesizedt'i.AmongthesecompoundsthecasesofMbeingCu,Ag,Feareusualwhile… 相似文献
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1 INTRODUCTIONCopper( ) displayswide diversity in itsstructuralchemistry,the copper coor dination number ranging from two to four.Procedures to synthesize copper( )complexes itself are of great interest because of the diversity of products resultingfrom almost the same methodology.Ithas long been accepted that because copper( ) complexesare diamagnetic,and hence,provideno opticalabsorption bands( nod d transition is encountered) for a copper( ) ion with a d10 configuration and noelect… 相似文献
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1mTRODUCTION.Theimportantprogressinmagnetostructuralchemistryinthepastfewyearsisthesystematicdevel0pmentofstructurallyorderedbimetalliccompound"'.Thefami-liesofcrystallineandam0rphouscomplexes[MM'(cdta)j.xH,O(M,M'maybethefirsttransitionmetalorthesecondmaingroupelements)haveprovidedniceex-amplesofstructuralversatilityinmagneticstudiest2-6i,wherequiteafewstructuresmentionedabove,includingbimetallicandhomometalliccompoundscomprisingcop-per0rothermetalatoms,havebeeninvestigated"-".Ontheother… 相似文献
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1INTRoDUCTIoNPreparationofcompoundscontaining[Mo3(p,-S)(p2-S2),j' clustercorehasbeenextensivelyinvestigated"',andconvenientroutesforthesynthesisofthecom-plexeswithdifferentligandshavebeendeveloPedrecentlyt2~43.Hegetschweilerandcoworkerst4ihaveeverreportedacomplex[Mo,(p,-S)(p,-S,)3(Et,dtc),3.I(2)withclustercore[Mo,S,j' ,whichwaspreparedbyreactionof(Et,N)2[Mo,S(Se)zjwithEt,dtc-andNaI-Correspondingcomplexes{Mo3(p,-S)(p2-S2),[S,P(OEt,),j}Cl(3)and{Mo,(p,-S)(p,-S,),[S,P(oEt,),j}I(4)… 相似文献
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１ＩＮＴＲＯＤＵＣＴＩＯＮＩｎｒｅｃｅｎｔｙｅａｒｓ,ｈｉｇｈｅｒ ｎｕｃｌｅａｒｉｔｙｃｌｕｓｔｅｒｓｈａｖｅｒｅｃｅｉｖｅｄｃｏｎｓｉｄｅｒａｂｌｅａｔｅｎｔｉｏｎｂｅｃａｕｓｅｏｆｔｈｅｉｒｐｏｔｅｎｔｉａｌａｐｐｌｉｃａｔｉｏｎｓｉｎｍａｎｙ... 相似文献
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LU Xiao Ming 《结构化学》2000,(3)
1 ＩＮＴＲＯＤＵＣＴＩＯＮＰｏｌｙｍｏｌｙｂｄａｔｅａｎｉｏｎｓｈａｖｅｂｅｅｎｓｔｕｄｉｅｄｆｏｒｍａｎｙｙｅａｒｓｂｅｃａｕｓｅｏｆｔｈｅｉｒａｐｐｌｉｃａ ｔｉｏｎｉｎｃａｔａｌｙｓｉｓｃｈｅｍｉｓｔｒｙ〔1〕.Ｉｎｔｈｅｓｙｎｔｈｅｓｉｓｏｆｏｒｇａｎｉｃｐｏｌｙｍｏｌｙｂｄａｔｅｄｅｒｉｖａｔｉｖｅｓｕｓｉｎｇａｃｅｔｏｎｅａｓｓｏｌｖｅｎｔ,ｗｅｆｏｕｎｄｔｈａｔｔｈｅｃｏｎｄｅｎｓａｔｉｏｎｒｅａｃｔｉｏｎｏｆａｃｅｔｏｎｅｏｃｃｕｒｒｅｄａｎｄｔｈｅｃｏｎｄｅｎｓａｔｉｏｎｐｒｏｄ… 相似文献
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1INTRODUCTIONBytreatingFeCo2(CO),(p,-S)withgroupVligands[L=PPh,,AsPh,,PBus",p(OEt),j,monosubstitutedderivativesFeCo2(CO),(p,-S)(L)havebeenobtained{1'2i.13C-NMRshowedthatthereplacementofCObyagroupVligandinFeCo,(CO),(p,-S)isatonecobaltatominthemonosubstitutedderivativet2).How-ever,thesubstitutedderivativeofFeCo,(CO),(p,-S)withP(OCH,Ph),hasnotbeenreportedanditscrystalstructurehasnotbeendetermined.WehavesynthesizedthetitlecompoundFeCo,(CO),(p,-S)[P(OCH,Ph),jandtestifiedth… 相似文献
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１ＩＮＴＲＯＤＵＣＴＩＯＮＩｎｔｅｎｓｅｉｎｔｅｒｅｓｔｉｎｔｒａｎｓｉｔｉｏｎ ｍｅｔａｌｃｌｕｓｔｅｒｓｃｏｎｔｉｎｕｅｓｂｅｃａｕｓｅｔｈｅｙｒｅｐｒｅｓｅｎｔｐｏｓ ｓｉｂｌｅｃｏｎｃｅｐｔｕａｌｂｒｉｄｇｅｓｂｅｔｗｅｅｎｈｏｍｏｇｅｎｅｏ... 相似文献
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１ ＩＮＴＲＯＤＵＣＴＩＯＮＨｅｔｅｒｏｍｅｔａｌｐｏｌｙｎｕｃｌｅａｒｃｏｍｐｌｅｘｅｓｈａｖｅｂｅｅｎｔｈｅｓｕｂｊｅｃｔｏｆｍａｎｙｒｅｃｅｎｔｓｔｕｄｉｅｓｔｏｅｌｕｃｉｄａｔｅｔｈｅｍｅｃｈａｎｉｓｍｏｆｓｐｉｎｃｏｕｐｌｉｎｇｂｅｔｗｅｅｎｔｈｅｍｅｔａｌｉｏｎｓ〔１,２〕,ｍｉｍｉｃｋｉｎｇｔｈｅａｃｔｉｖｅｓｉｔｅｏｆｓｏｍｅｍｅｔａｌｅｎｚｙｍｅｓｃｏｎｔａｉｎｉｎｇｄｉｓｓｉｍｉｌａｒｍｅｔａｌｉｏｎｓ,ｓｕｃｈａｓｃｙｔｏｃｈｒｏｍｅｏｘｉｄａｓｅａｎｄｓｕｐｅｒｏｘｉ… 相似文献
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1 INTRODUCTIONCopper( ) displays a wide diversity in its structural chemistry,the copper co-ordination number ranging from two to four.Procedures to synthesize copper( )complexes are of greatinterestbecause of the diversity of products resulting from al-mostthe same methodology.Ithaslong been accepted thatcopper( ) complexesarediamagnetic and provide no optical absorption bands( no d- d transition isencountered) for a copper( ) ion with a d10 configuration and no electron spin reso-n… 相似文献
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1mTRODUCT1ONBinuclearcoppercomplexesareimportantnotonlyincoordinationchemistryandmagnetostructuralstudiesbutalsoinpracticalapplication.tliInanattempttoseekthedisPersionandemulationreagentsofCWM(themixtureofcoalandwater),thetitlecomP0undwassynthesizedbyanoxidativepreparationmethodt2i,whosesynthesisandstructurearedifferentfromthosedescribedbyWangetoft3i.Here,0nlythesynthesisandstructureofthetitlecomP0undarereportedandthestudiesofitsappli-cationareinprogress.2EXPERIMENTAL2.1Preparati0n… 相似文献
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１ ＩＮＴＲＯＤＵＣＴＩＯＮＩｎｏｕｒｅｆｆｏｒｔｓｔｏｄｅｖｅｌｏｐｔｈｅｌｏｗ－ｖａｌｅｎｃｅＭｏ－ＳＲｃｏｍｐｏｕｎｄｓ,ｗｅｈａｖｅｆｏｕｎｄａｎＭｏ（０）－ｃｏｍｐｏｕｎｄ,〔Ｍｏ２（ＳＲ）２（ＣＯ）８〕２－,ｗｈｉｃｈｉｓｏｂｔａｉｎｅｄｆｒｏｍｔｈｅｒｅａｃｔｉｏｎｏｆＭｏ（ＣＯ）６ｗｉｔｈＲＳ－ｉｎｈｉｇｈｙｉｅｌｄ,ｐｏｓｓｅｓｓｅｓａｎｉｎｔｅｒｅｓｔｉｎｇｔｗｏ－ｅｌｅｃｔｒｏｎｔｒａｎｓｆｅｒｐｒｏｐｅｒｔｙ．Ｎｕｍｅｒｏｕｓｋｉｎｄｓｏｆｄｉｎｕｃｌｅａｒｍｏｌｙｂｄｅ… 相似文献
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LI Xue a YAO Hai Jun b HU Chun Hua a DOU Jian Min a c Sun Jie d JIN Ruo Shui b ZHENG Pei Ju a ② a 《结构化学》1999,(5)
１ ＩＮＴＲＯＤＵＣＴＩＯＮＴｈｅｆｉｒｓｔｐｏｌｙｈｅｄｒａｌｒｕｔｈｅｎａｂｏｒａｎｅｉｓｓｔｒｕｃｔｕｒａｌｌｙｔｙｐｉｆｉｅｄｂｙｔｈｅｃｏｍｐｏｕｎｄ〔（ＰＰｈ３）２ＲｕＢ１０Ｈ８（ＯＥｔ）２〕ｉｎ１９８４〔１〕,ｗｈｉｃｈｉｓｏｂｔａｉｎｅｄｉｎ４０％ｙｉｅｌｄｂｙｔｈｅｒｅａｃｔｉｏｎｏｆｔｈｅｃｌｏｓｏｄｅｃａｂｏｒａｎｅａｎｉｏｎＢ１０Ｈ１０２－ｗｉｔｈ〔ＲｕＣｌ２（ＰＰｈ３）３〕ｉｎｅｔｈａｎｏｌ／ｃｈｌｏｒｏｆｏｒｍｓｏｌｕｔｉｏｎ．Ｒｅｓｅａｒｃｈｅｒｓｈａｖｅｓｙ… 相似文献
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过渡金属硫配合物可作为加氢脱硫 (ＨＤＳ)和加氢脱氮 (ＨＤＮ)过程的有效催化剂而倍受人们关注[1 - 3] 。这类配合物的催化活性、选择性和抗毒性与过渡金属的种类、配合物本身的立体结构和电子分布密切相关[4- 5] 。其中 ,钴的硫化物在ＨＤＳ和ＨＤＮ过程中有很好的催化活性。本文由二元金属羰合物Ｃｏ2 (ＣＯ) 8和双 (硫代磷酸二异丙基酯 )二硫化物 (Ａ) ,合成标题配合物Ｃｏ〔Ｓ2 Ｐ(Ｏ -ｉ-Ｃ3Ｈ7) 2 〕3(Ｂ) ,对配合物Ｂ进行ＸＲＤ表征 ,并对反应机理进行初步探讨。反应式如下 :1 实验部分1 1 试剂与仪器苯和石油醚 (ｍ .ｐ .60～ 9… 相似文献
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１ ＩＮＴＲＯＤＵＣＴＩＯＮＢｉｓｃｙｃｌｏｐｅｎｔａｄｉｅｎｙｌｌａｎｔｈａｎｉｄｅｃｈｌｏｒｉｄｅｓｆｏｒａｌｌｔｈｅｌａｎｔｈａｎｉｄｅｅｌｅｍｅｎｔｓｈａｖｅｂｅｅｎｓｙｎｔｈｅｓｉｚｅｄａｎｄｓｔｒｕｃｔｕｒａｌｌｙｃｈａｒａｃｔｅｒｉｚｅｄ〔１〕．Ｔｅｒｔ－ｂｕｔｙｌｃｙｃｌｏｐｅｎｔａｄｉｅｎｙｌｉｓａｓｕｉｔａｂｌｅｌｉｇａｎｄｆｏｒｐｒｅｐａｒａｔｉｏｎｏｆｌａｎｔｈａｎｏｃｅｎｅｃｈｌｏｒｉｄｅｓ．Ｔｈｅｓｙｎｔｈｅｓｅｓａｎｄｍｏｌｅｃｕ－ｌａｒｓｔｒｕｃｔｕｒｅｓｏｆ〔（… 相似文献