Formation and characterization of crystalline molecular arrays of gas molecules in a 1-dimensional ultramicropore of a porous copper coordination polymer

Ryo Kitaura, Ryotaro Matsuda, Yoshiki Kubota, Susumu Kitagawa, Masaki Takata, Tatsuo C. Kobayashi, Megumi Suzuki

Research output: Contribution to journalArticlepeer-review

56 Citations (Scopus)

Abstract

Molecules and atoms confined in a nanospace may have properties distinctly different from those of the bulk fluid, owing to the formation of a specific molecular array characteristic of nanospace. In situ synchrotron powder X-ray diffraction measurements have been used to observe confined guest molecules such as N2, O2, Ar, and CH4 in the well-regulated ultrarmicropore of a copper coordination polymer, 1 ([Cu 2(pzdc)2pyz]: pzdc = 2,3-pyrazinedicarboxylate and pyz = pyrazine). The obtained crystal structures indicate that guest molecules are confined in a linear fashion to form crystalline-like regular ordered arrays, in contrast to the situation in the gas and liquid state, even at temperatures above the boiling point, and the ordered arrays are characteristic of the kind of gas molecule and the geometrical and potential properties of the ultramicropore of 1.

Original languageEnglish
Pages (from-to)23378-23385
Number of pages8
JournalJournal of Physical Chemistry B
Volume109
Issue number49
DOIs
Publication statusPublished - Dec 15 2005

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry

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