Hydrothermal synthesis and crystal and molecular structure of a tetranuclear cobalt(II) tetracarboxylporphyrin cluster

Douglas Hagrman, Dewayne Garner, Max H. Nanao, Jon Zubieta

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

The hydrothermal reaction of CoF2 and 4,4′,4″,4″'-(porphine-5,10,15,20-tetrayl)tetrakis(benzoic acid) (H6tcpor) provides a mixture of crystalline products, including H2porph, [Co(porph)] (H2porph = C20H14N4), and [Co(H2O)3{Co(H3tcpor)}2{Co(H4tcpor)}]·4H2O (1·4H2O). Due to the small size, weak diffraction and intergrowth nature of the crystals, the identities of the products were determined using synchrotron single crystal X-ray diffraction. The title compound 1·4H2O is a tetranuclear cluster of Co(II) sites. Two {Co(H3tcpor)}1 - and one {Co(H4tcpor)} subunits radiate from the central {Co(H2O)3}2 + moiety of the cluster. Hydrogen bonding stabilizes the central {Co(H2O)3(O2C-)2(HO2C-)} core as well as providing extensive three dimensional connectivity between the cluster units.

Original languageEnglish (US)
Pages (from-to)225-227
Number of pages3
JournalInorganic Chemistry Communications
Volume61
DOIs
StatePublished - Nov 1 2015

Keywords

  • Hydrogen bonding
  • Metalloporphyrin cluster
  • Synchrotron X-ray diffraction
  • Tetranuclear cobalt(II) cluster

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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