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Synthesis and crystal structure of two supramolecular compounds constructed from amantadine and polyoxometalate

Authors
Journal
Journal of Molecular Structure
0022-2860
Publisher
Elsevier
Publication Date
Volume
789
Identifiers
DOI: 10.1016/j.molstruc.2005.12.040
Keywords
  • Synthesis
  • Crystal Structure
  • Polyoxometalate
  • Protonated Amantadine
  • Hydrogen-Bonding
  • Supramolecular Framework

Abstract

Abstract Two organic–inorganic hybrid compounds based on amantadines and polyoxometalates formulated as (C 10H 18N) 4(H 2V 10O 28)·2DMF·2H 2O ( 1) and (C 10H 18N) 3(PMo 12O 40) ( 2), were synthesized and structurally characterized by elemental analysis, single-crystal X-ray diffraction analysis, IR, UV and TGA. Compounds 1 and 2 consist of protonated amantadines together with different polyoxometalates, [H 2V 10O 28] 4− and [PMo 12O 40] 3−, respectively. There are hydrogen bonding interactions and electrostatic attractions between polyoxometalates and amantadines in 1 and 2. Polyoxometalates are linked through amantadines into a two-dimensional network via hydrogen bonds in the two compounds. The two-dimensional framework is further extended into supramolecular network by hydrophobic interaction of amantadines between adjacent layers. The crystal packing patterns of the two compounds reveal various supramolecular framework.

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