New Three-Fold Interpenetrated Uranyl Organic Framework Constructed by Terephthalic Acid and Imidazole Derivative

A new 3-fold interpenetrated uranyl organic framework, UO2(bdc)­(dmpi), was hydrothermally synthesized using 1,4-benzenedicarboxylic acid (H2bdc) and 1-(4-(1H-imidazol-1-yl)-2,5-dimethylphenyl)-1H-imidazole (dmpi). This framework, which was determined by synchrotron radiation X-ray, exhibited a new...

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Published inInorganic chemistry Vol. 54; no. 8; pp. 3829 - 3834
Main Authors Chen, Fei, Wang, Cong-zhi, Li, Zi-jie, Lan, Jian-hui, Ji, Yan-qin, Chai, Zhi-fang
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 20.04.2015
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Summary:A new 3-fold interpenetrated uranyl organic framework, UO2(bdc)­(dmpi), was hydrothermally synthesized using 1,4-benzenedicarboxylic acid (H2bdc) and 1-(4-(1H-imidazol-1-yl)-2,5-dimethylphenyl)-1H-imidazole (dmpi). This framework, which was determined by synchrotron radiation X-ray, exhibited a new 3-fold interpenetrated (2,4)-connected topology with the Schläfli symbol of (126)­(12)2. Additionally, large incurvation happened to the bond angle of [OUO]2+, which was always arranged in a rigorous line. Computational results based on density functional theory (DFT) indicated that the bent geometry of uranyl in UO2(bdc)­(dmpi) was mainly due to the higher charge populations in the valence 6d shells of uranium, rendered by the electronegative imidazoles.
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ISSN:0020-1669
1520-510X
DOI:10.1021/acs.inorgchem.5b00013