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Keywords:

  • Spin crossover;
  • Thermochromism;
  • Coordination compounds;
  • Iron;
  • N ligands

Abstract

We review herein the synthesis and investigation of iron(II) coordination compounds with 1,2,4-triazoles or tris(pyrazol-1-yl)methanes as ligands. Both groups of complexes demonstrate thermally induced spin crossover accompanied by thermochromism [pink (magenta) [LEFT RIGHT ARROW] white color change]. Factors that influence the nature and temperature of the spin crossover are discussed.