Hydrothermal synthesis and structures of materials of the M(II)/tetrazole/sulfate family (M(II) = Co, Ni; Tetrazole = 3- and 4-pyridyltetrazole and pyrazinetetrazole)

Kari Darling, Wayne Ouellette, Andrey Prosvirin, Shannon Walter, Kim R. Dunbar, Jon Zubieta

Research output: Contribution to journalArticle

16 Scopus citations

Abstract

Hydrothermal reactions of cobalt or nickel sulfate with the appropriate substituted tetrazole yielded a series of compounds of the M(II)/tetrazolate/ sulfate family. While the parent compound [Co(prztet)2 (H 2O)2]·0.5H2O (1·0.5H 2O; prztet = pyrazinetetrazolate) is molecular, the remaining materials exhibit extended structures. Thus, [Co2(4-pyrtet)(SO 4)(OH)(H2O)]·1.5H2O (2·1.5H 2O), [Co3F2(SO4)(3-pyrtet) 2 (H2O)4] (4) and [Ni3F 2(SO4)(3-pyrtet)2(H2O)4] (5) are two-dimensional, in contrast to [Co4(prztet)6 (SO4)(H2O)2] (3) and [Ni5(3-pyrtet) 4(SO4)2(OH)2(H2O) 2]·0.5H2O (6·0.5H2O) which are three-dimensional (3-pyrtet = 3-pyridinetetrazolate; 4-pyrtet = 4-pyridinetetrazolate). The sulfate-containing phases exhibit a variety of cluster-based secondary building units: variants of the common trinuclear motifs in 2, 4 and 5, a tetranuclear cluster core in 3, and a pentanuclear building block in 6. The sulfate ligands adopt monodentate and μ2-, μ3- and μ4-bridging modes in the structures.

Original languageEnglish (US)
Pages (from-to)18-29
Number of pages12
JournalPolyhedron
Volume58
DOIs
StatePublished - Jan 1 2013

Keywords

  • Coordination polymers
  • Magnetic susceptibilities of Co(II)- and Ni(II)-sulfates
  • Metal-tetrazolate compounds
  • Pyrazinetetrazolate complexes
  • Pyridyltetrazolate complexes
  • X-ray structures

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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