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Supramolecular structures constructed from three novel rare earth metal complexes

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Abstract

Three rare earth metal supramolecular complexes, {[Tb(L 2 )4](ClO4)3⋅2H2O(1), [Eu(L 2 )2(H2O)5] (ClO4)3(2) and [Gd(NO3)3(L 2 )2] ⋅2CH3 CH 2OH(3) (L 2 = 3-Dimethylamino-1-pyridin-2-yl-propenone), have been synthesized and characterized by elemental analysis, IR and single crystal X-ray diffraction. The crystal structure analysis reveals that the coordination numbers of three complexes (1–3) are 8, 9 and 10, respectively. Three complexes assembled into 3D frameworks based on C-H ⋯O, O-H ⋯O hydrogen bond linkages.

Three rare earth metal supramolecular complexes, {[Tb(L 2 )4](ClO4)3⋅2H2O(1)[Eu((L 2 )2(H2O)5](ClO4)3(2) and [Gd(NO3)3((L 2 )2]⋅2CH3CH2OH(3) ((L 2=3-Dimethylamino-1-pyridin-2-yl-propenone), have been synthesized and characterized. The crystal structure analysis reveals that the coordination numbers are 8, 9 and 10, respectively. These complexes assembled into 3D hydrogen-bonding frameworks based on C-H···O, O-H···O linkages.

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Acknowledgements

The authors are indebted to the National Natural Science Foundation of China (No. 21101053) for financial support. This work is also supported by the Natural science fund for colleges and universities in Jiangsu Province (13KJB150009), Natural Science Foundation of Anhui Province Science Research Projects (1308085MB23, 1408085MB30), Foundation for scholar of Hefei Normal University (2014rcjj03, 2014136kjc06), Foundation of Educational Committee of Anhui Province (KJ2014A205, KJ2012Z327).

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Authors and Affiliations

  1. Department of Chemistry and Chemical Engineering, Hefei Normal University, Hefei, 230061, China

    HUAZE DONG, BIN ZHENG, JIANHONG BI, YAN XUE & YANPING WANG

  2. Food and Drug Department, Qingyuan Polytechnic, Qingyuan, 511510, P. R. China

    XIAOJUN FENG

  3. Department of City Science, The City Vocational College of Jiangsu, Nanjing, 210017, China

    XIA LIU

  4. Department of Science and Technology, Jiangsu Open University, Nanjing, 210036, China

    SHAOHUA GOU

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  1. HUAZE DONG
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  2. XIAOJUN FENG
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  3. XIA LIU
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  4. BIN ZHENG
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  5. JIANHONG BI
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  7. SHAOHUA GOU
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  8. YANPING WANG
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Corresponding authors

Correspondence to HUAZE DONG or XIAOJUN FENG.

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Supplementary Information

Crystallographic data for the structural analysis have been deposited at the Cambridge Crystallographic Data Center with CCDC deposition numbers 1016118- 1016120 for the complexes. Copies of this information may be obtained free of charge via www.ccdc.cam.ac.uk/datarequest.cif.

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DONG, H., FENG, X., LIU, X. et al. Supramolecular structures constructed from three novel rare earth metal complexes. J Chem Sci 127, 857–863 (2015). https://doi.org/10.1007/s12039-015-0840-z

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  • DOI: https://doi.org/10.1007/s12039-015-0840-z

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