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Synthesis, Structure and Magnetic Properties of Two New Homotrinuclear Bis(oxamato) Copper(II) Complexes
作者姓名:王庆伦  廖代正  阎世平  姜宗慧  程鹏
作者单位:WANG,Qing-Lun a LIAO,Dai-Zheng,a YAN,Shi-Ping aJIANG,Zong-Hui a,b CHENG,Peng a a Department of Chemistry,Nankai University,Tianjin 300071,China b State Key Laboratory of Coordination Chemistry,Nanjing University,Nanjin
基金项目:theNationalNaturalScienceFoundationofChina (Nos.2 0 0 710 19,5 0 172 0 2 1and 90 10 10 2 8)
摘    要:IntroductionMolecularmagnetismofpolynuclearcomplexesisofconsiderableinterestfordesigningnewmagneticmaterialsandforinvestigatingtherelationshipbetweenthestructureandtheroleofthepolymetallicactivesitesinbiologicalsystems.1 4 Journauxetal .5haverecentlyprop…


Synthesis, Structure and Magnetic Properties of Two New Homotrinuclear Bis(oxamato) Copper(II) Complexes
WANG,Qing-Lun a LIAO,Dai-Zheng,a YAN,Shi-Ping aJIANG,Zong-Hui a,b CHENG,Peng a a.Synthesis, Structure and Magnetic Properties of Two New Homotrinuclear Bis(oxamato) Copper(II) Complexes[J].Chinese Journal of Chemistry,2002,20(11):1249-1255.
Authors:WANG  Qing-Lun a LIAO  Dai-Zheng  a YAN  Shi-Ping aJIANG  Zong-Hui a  b CHENG  Peng a a
Institution:WANG,Qing-Lun a LIAO,Dai-Zheng,a YAN,Shi-Ping aJIANG,Zong-Hui a,b CHENG,Peng a a Department of Chemistry,Nankai University,Tianjin 300071,China b State Key Laboratory of Coordination Chemistry,Nanjing University,Nanjin
Abstract:Two new homotrinuclear copper (II) complexes with 1,3‐propylenebis(oxamato) (pba) and 2‐hydroxy‐l,3‐propylenebis(oxamato) (pbaOH): {Cu(phen)]2μ‐Cu(pba)](DMSO)2‐(H1O)}(ClO)4)2.E2O (1) and {Cu(phen)]2μ‐Cu(pbaOH)](DMSO)2(H2O)|(CIO4)2.0.5H2O (2) have been synthesized and their structures were determined. Both complexes have the similar homotrinuclear unit and give rise to the bistrinuclear entity through weakly coordinated bonds and π‐π interaction. The temperature magnetic susceptibilities for 1 and 2 were analyzed by means of the Hamiltonian ? = ‐ 27 (?Cnl ?Cua+ ?Cu1 ?Cu3), leading exchange integral J to be ‐ 105.6 and ?107.3 cm?1 for 1 and 2, respectively.
Keywords:crystal structure  homotrinuclear copper(II) complex  magnetic property  bis(oxamato) complex
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