Nature Communications (May 2019)

Proton mediated spin state transition of cobalt heme analogs

  • Jianping Zhao,
  • Qian Peng,
  • Zijian Wang,
  • Wei Xu,
  • Hongyan Xiao,
  • Qi Wu,
  • Hao-Ling Sun,
  • Fang Ma,
  • Jiyong Zhao,
  • Cheng-Jun Sun,
  • Jianzhang Zhao,
  • Jianfeng Li

DOI
https://doi.org/10.1038/s41467-019-10357-z
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 8

Abstract

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Studying the electronic structures and spin transitions of synthetic heme analogs is crucial to advancing our understanding of heme enzyme mechanisms. Here the authors show that a Co(II) porphyrin complex undergoes an unexpected spin state transition upon deprotonation of its axial imidazole ligand.