pH-Directed assembly and magnetic properties of two polynuclear MnIIcomplexes: (Δ, Λ)-{Mn3(phen)2(OOCCH3)6} and 1-D [Mn(phen)Cl2]n

  • Lu X
  • Li P
  • Wang X
 et al. 
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Abstract

When the reaction conditions are deliberately controlled by the pH, two different polynuclear manganese complexes, (Δ, Λ)-{Mn3(phen)2(CH3COO)6} (1) and [Mn(phen)Cl2]n(2) (phen = 1,10-phenanthroline), have been synthesized from the same raw materials. The structural analyses show that 1 has a structure formed by neutral chiral linear trinuclear molecules, while 2 has a structure consisting of one-dimensional infinite chains. A study of the temperature dependent magnetic susceptibilities reveal that 1 is an antiferromagnetically coupled trimer molecule while 2 shows ferromagnetic interactions within the chain. © 2008 Elsevier Ltd. All rights reserved.

Author-supplied keywords

  • 1,10-Phenanthroline
  • Coordination polymer
  • Magnetic character
  • Manganese complex

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Authors

  • Xiao Ming Lu

  • Pei Zhou Li

  • Xiu Teng Wang

  • Xiao Jun Wang

  • Lei Zhou

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