Journal
INORGANIC CHEMISTRY COMMUNICATIONS
Volume 8, Issue 11, Pages 1022-1024Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.inoche.2005.07.019
Keywords
isonicotinic acid; hexanuclear linear arrangement; solid-state emission spectra; diffuse reflectance UV-Vis spectra
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The reactions of isonicotinic acid (HIso) with metal salts of Ag(I) or Cu(I) yielded two hexamers [Ag-6(Iso)6(H2O)(2)] H2O (1), [Cu-6(Iso)(6)] 2H(2)O (2). 1 and 2 are rare hexanuclear linear arrangement coordination complexes containing HIso. Solid state emission spectra of I and 2 show interesting pale blue luminescence with emission peaks in the range of 408 and 438 nm, which are assigned to LMCT. The energy gaps from the absorption spectra are 2.37 eV for I and 2.88 eV for 2, showing the present compounds behave as semiconductors. (c) 2005 Elsevier B.V. All rights reserved.
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