Research ArticleGEOCHEMISTRY

Minerals with metal-organic framework structures

Science Advances  05 Aug 2016:
Vol. 2, no. 8, e1600621
DOI: 10.1126/sciadv.1600621

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Abstract

Metal-organic frameworks (MOFs) are an increasingly important family of advanced materials based on open, nanometer-scale metal-organic architectures, whose design and synthesis are based on the directed assembly of carefully designed subunits. We now demonstrate an unexpected link between mineralogy and MOF chemistry by discovering that the rare organic minerals stepanovite and zhemchuzhnikovite exhibit structures found in well-established magnetic and proton-conducting metal oxalate MOFs. Structures of stepanovite and zhemchuzhnikovite, exhibiting almost nanometer-wide and guest-filled apertures and channels, respectively, change the perspective of MOFs as exclusively artificial materials and represent, so far, unique examples of open framework architectures in organic minerals.

Keywords
  • Minerals
  • metal-organic frameworks
  • crystallography
  • coordination chemistry
  • mineralogy
  • materials
  • geology
  • solid-state chemistry

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