Formation of a one-dimensional array of oxygen in a microporous metal-organic solid

Ryo Kitaura, Susumu Kitagawa, Yoshiki Kubota, Tatsuo C. Kobayashi, Koichi Kindo, Yoshimi Mita, Akira Matsuo, Michihiro Kobayashi, Ho Chol Chang, Tadashi C. Ozawa, Megumi Suzuki, Makoto Sakata, Masaki Takata

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Abstract

We report the direct observation of dioxygen molecules physisorbed in the nanochannels of a microporous copper coordination polymer by the (maximum entropy method)/Rietveld method, using in situ high-resolution synchrotron x-ray powder diffraction measurements. The obtained MEM electron density revealed that van der Waals dimers of physisorbed O2locate in the middle ofnanochannets and form a one-dimensional ladder structure aligned to the host channel structure. The observed O-O stretching Raman band and magnetic susceptibilities are characteristic of the confined O2, molecules in one-dimensional nanochannets of CPL-1 (coordination polymer 1 with pillared layer structure).

Original languageEnglish
Pages (from-to)2358-2361
Number of pages4
JournalScience
Volume298
Issue number5602
DOIs
Publication statusPublished - Dec 20 2002

ASJC Scopus subject areas

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    Kitaura, R., Kitagawa, S., Kubota, Y., Kobayashi, T. C., Kindo, K., Mita, Y., Matsuo, A., Kobayashi, M., Chang, H. C., Ozawa, T. C., Suzuki, M., Sakata, M., & Takata, M. (2002). Formation of a one-dimensional array of oxygen in a microporous metal-organic solid. Science, 298(5602), 2358-2361. https://doi.org/10.1126/science.1078481