4.6 Article

A cobalt(II) chain based on pymca generated in situ from the hydrolysis of 2-cyanopyrimidine: spin canting and magnetic relaxation

Journal

RSC ADVANCES
Volume 9, Issue 53, Pages 31115-31121

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c9ra05354a

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Funding

  1. NSF of China [21676258]
  2. International Scientific and Technological Cooperation Projects of Shanxi Province [201803D421080]
  3. Central Leading Local Science and Technology Development Special Fund Project [YDZX20191400002636]
  4. Innovative Research Team of Inorganic-Organic Hybrid Functional Materials at North University of China

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A one-dimensional (1D) coordination polymer, [{Co-2(pymca)(2)center dot(H2O)(4)}SO4 center dot 2H(2)O](n) (1) (pymca = 2-carboxypyrimidine), was solvothermally synthesized via the reaction of 2-cyanopyrimidine and Co(SCN)(2). A bidentate pymca ligand was formed in situ by the hydrolysis of 2-cyanopyrimidine. Furthermore, in this study, the magnetic properties of complex 1 were investigated in detail. The results indicated that complex 1 showed a single-chain magnet (SCM) behavior below ca. 3 K. The energy barrier (Delta tau(1)/k(B)) and preexponential factor (tau(0)) of SCM were 31.2 K and 5.4 x 10(-9) s, respectively.

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