Journal
INORGANIC CHEMISTRY COMMUNICATIONS
Volume 14, Issue 2, Pages 415-418Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.inoche.2010.12.015
Keywords
Polyoxometalate; Tungstoarsenate; Hydrothermal synthesis; Magnetism
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Funding
- National Natural Science Foundation of China
- Special Research Fund for the Doctor Program of Higher Education
- Innovation Scientists and Technicians Troop Construction Projects of Henan Province
- Foundation Department of Henan Province
- Natural Science Foundation of Henan Province
- Natural Science Foundation of Henan University
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A novel inorganic-organic hybrid 1D chain tungstoarsenate (H(2)en)(4)H-20{Co(Hen) [Co6As3W24O94(H2O)(2)]}(2)center dot 15H(2)O (en = ethylenediamine) (1) has been hydrothermally synthesized and characterized by elemental analysis, IR spectrum and single-crystal X-ray diffraction. 1 contains a double banana-shaped tungstoarsenate anion {Co(Hen)[Co6As3W24O94(H2O)(2)]}(2)(28-), which is established by two banana-shaped (Co(Hen)[Co6As3W24O94(H2O)(2)]}(14-) subunits linked together by a W-O-Co bridge. More importantly, adjacent double banana-shaped polyoxoaffions {Co(Hen)[Co6As3W24O94(H2O)]}(2)(28-) are interconnected by W-O-Co linkers leading to the 1D chain architecture, to our knowledge, which represents the first inorganic-organic hybrid 1D chain constructed from double banana-shaped polyoxoanions. Magnetic measurements indicate that there are the antiferromagnetic interactions within the cobalt centers. (C) 2010 Elsevier B.V. All rights reserved.
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