Synthesis and structural characterization of a 3-D lithium based metal-organic framework showing dynamic structural behavior

Debasis Banerjee, Sun Jin Kim, Wei Li, Haohan Wu, Jing Li, Lauren A. Borkowski, Brian L. Philips, John B. Parise

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

A 3-D lithium based metal organic framework Li2(C 7H3NO4)(C3H7NO) [Li 2(2,5-PDC)(DMF), 1; ULMOF-5, UL= ultralight, PDC = pyridinedicarboxylate, space group Pbcn, a = 15.800(3) Å, b = 8.5958(17) Å, c = 18.460(4) Å, V = 2507.1(9) Å3] was synthesized using the solvothermal method and characterized by single crystal and powder X-ray diffraction techniques. Compound 1 contains tetrameric edge and corner sharing lithium polyhedral clusters connected by organic linkers, forming channels along the [001] direction, with coordinated DMF molecules pointing toward each other in these channels. Thermogravimetric analysis shows compound 1 is stable up to 280 °C under N2 atmosphere followed by removal of the coordinated DMF molecules, as evident from the associated weight loss. BET (25.06 m2/g) surface area measurement showed loss of porosity after solvent removal because of a structure change. Solid-state 6Li NMR on the desolvated compound showed the absence of tricoordinated lithium centers, indicating rearrangement of bonds around the lithium center after DMF removal. The desolvated form reverts to the original form upon exposure to DMF, showing dynamic structural behavior.

Original languageEnglish
Pages (from-to)2801-2805
Number of pages5
JournalCrystal Growth and Design
Volume10
Issue number6
DOIs
Publication statusPublished - Jun 2 2010

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dynamic structural analysis
Structural dynamics
Lithium
lithium
Metals
synthesis
metals
Molecules
X ray powder diffraction
Thermogravimetric analysis
molecules
Porosity
Nuclear magnetic resonance
Single crystals
solid state
porosity
atmospheres
nuclear magnetic resonance
single crystals
diffraction

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Synthesis and structural characterization of a 3-D lithium based metal-organic framework showing dynamic structural behavior. / Banerjee, Debasis; Kim, Sun Jin; Li, Wei; Wu, Haohan; Li, Jing; Borkowski, Lauren A.; Philips, Brian L.; Parise, John B.

In: Crystal Growth and Design, Vol. 10, No. 6, 02.06.2010, p. 2801-2805.

Research output: Contribution to journalArticle

Banerjee, Debasis ; Kim, Sun Jin ; Li, Wei ; Wu, Haohan ; Li, Jing ; Borkowski, Lauren A. ; Philips, Brian L. ; Parise, John B. / Synthesis and structural characterization of a 3-D lithium based metal-organic framework showing dynamic structural behavior. In: Crystal Growth and Design. 2010 ; Vol. 10, No. 6. pp. 2801-2805.
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