Formation of a One-Dimensional Array of Oxygen in a Microporous Metal-Organic Solid-Reference-Cited by-同舟云学术

Formation of a One-Dimensional Array of Oxygen in a Microporous Metal-Organic Solid

Published:2002-12-20 Issue:5602 Volume:298 Page:2358-2361
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Kitaura Ryo¹,Kitagawa Susumu¹,Kubota Yoshiki²,Kobayashi Tatsuo C.³,Kindo Koichi³,Mita Yoshimi⁴,Matsuo Akira³,Kobayashi Michihiro⁴,Chang Ho-Chol¹,Ozawa Tadashi C.³,Suzuki Megumi⁴,Sakata Makoto⁵,Takata Masaki⁵⁶

Affiliation:

1. Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606–8501, Japan.

2. Department of Environmental Sciences, Osaka Women's University, Sakai, Osaka 590–0035, Japan.

3. KYOKUGEN,

4. Department of Physical Science, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, 560–8531, Japan.

5. Department of Applied Physics, Nagoya University, Nagoya 464–8603, Japan.

6. JASRI/Spring-8, Koto, Hyougo, 679–5189, Japan.

Abstract

We report the direct observation of dioxygen molecules physisorbed in the nanochannels of a microporous copper coordination polymer by the MEM (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 O 2 locate in the middle of nanochannels 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 O 2 molecules in one-dimensional nanochannels of CPL-1 (coordination polymer 1 with pillared layer structure).

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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