Synthesis and Crystal Structure of a New Three-dimensional Coordination Polymer： [Mn（2,3- pdc） （H2O）]n （2,3-pdc = Pyridine-2,3-dicarboxylate）.pdfVIP

27卷 t1期 结 构 化 学 (JIEGOUHUAXUE) 、b1．27．No．11 2008．11 Chinese J． Struct．Chem． 1370-1374 SynthesisandCrystalStructureofaNew Three-dimensionalCoordinationPolymer：M【n(2，3- pdc)(H2O)】n(2，3．pdc=Pyridine．2，3一dicarboxylate)① ZHANG Chun—Xiaa— MACheng—Bing WANGM ei一 CHEN Chang—Neng。 (StateKeyLaboratoryofStructuralChemistry,FujianInstituteofResearchonthe StructureofMatter,TheChineseAcademyofSciences，Fuzhou，Fujian350002,China) (GraduateSchooloftheChineseAcademyofSciences，Beijing100039，China) ABSTRACT Anew three—dimensionalcoordinationpolymerM【n(2，3-pdc)(H20)]n(2,3一pdc= pyridine一2，3一dicarboxylate)1hasbeenhydrothermallysynthesizedandstructurallycharacterized． Thecrystalbelongstothemonoclinicsystem，spacegroupP21／cwitha=6．4168(5)，b=10．7939(9)， c=11．1549(10)A， =94．733(4)。，v=769．98(11)A，Z=4，Mr=238．06，D =2．054g／cm ， p(MoKa)=1．707mm～，F(000)=476，Rit=0．0326，R=0．0499nadwR=0．1636for1564 observedreflectionswiht ，20(／)．x—raydiffractionnaalysesrevealthatthetitlecompoundisa three—dimensionalcoordinationpolymerconsistingofoneMnⅡcenterwithadistortedoctahderal environmentarrangedbyfour2,3一pdcligandsnadonewatermolecule． Keywords：manganese，crystalstructure，pyridinediearboxylate，coordinatedpolymer 1 INTRoDUCTIoN 2,3一dicraboxylatehaseverbeenusedtoconstructa numberofmetalorgna iccomplexesoverthepast yeras【51 Investigationonmeatl·o·rganiccoordinationpoly-· ． Complexespossessing 1D infinitecoor- mersrepresentsoneofthemostactiveareasofmate— dinationchainstructuresnad2D layerrfamework