Magnetic properties of an Fe(II) meso-tetra(4-pyridyl)porphyrin network

D. Danilovic, C. L. Lin, Tan Yuen, Long Pan, Jing Li

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Abstract

Magnetic properties of Fe(II) meso-tetra(4-pyridyl)porphyrin [Fe(TpyP)], a recently discovered metalloporphyrin network, were investigated using magnetic susceptibility M (T) H, isothermal magnetization M (H), and heat capacity C (T) measurements. The crystal structure of Fe(TpyP) at room temperature is orthorhombic with a space group Cmca (No. 64). This network gives rise to an unprecedented two-dimensional paddle-wheel-like pattern (a 44 topology). The results of M (T) H on powder samples of Fe(TpyP) show that the effective moment μeff of Fe2+ is 5.52 μB at 340 K, close to the expected value for a high spin Fe2+ (S=2) ion. μeff increases to 5.90 μB as T decreases to the range of 170 K

Original languageEnglish
Article number09E103
JournalJournal of Applied Physics
Volume101
Issue number9
DOIs
Publication statusPublished - 2007

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ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Physics and Astronomy(all)

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