Synthesis and Characterization of Two Novel Inorganic-Organic Hybrid Materials Based on Polyoxotungstoborate: [L-C2H5NO2-H]3[H2BW12O40]ź5H2O and [CH4N2O-H]2[H3BW12O40]ź5H2O (C2H5NO2 = Glycine; CH4N2O = Urea)

• Autorzy: Alizadeh M. H. , Eshtiagh-Hosseini H. , Mirzaei M. , Hosseini-Nejad M.
• Języki publikacji: EN

Abstrakty

EN

Two novel hy drated in or ganic-or ganic hy brids, namely [L-C2H5NO2-H]3[H2BW12O40]ź ź5H2O (1) and [CH4N2O-H]2[H3BW12O40]ź5H2O (2), where C2H5NO2 and CH4N2O are glycine and urea, respectively, have been synthesized and characterized by CHN microanalysis, IR, UV, and 1H NMR spectroscopies. According to the obtained results, molecular structure of 1 consists of tungstoborate anions linked to glycinium cations via van der Waals interactions and hydrogen bonding. Three [L-C2H5NO2-H]+ moieties encompass each [H2BW12O40]3- and, almost certainly, the same is true for 2. The O atoms of polyoxometalates and water, as well as the N atoms of L-glycine and urea are in volved in hydrogen bonding. Characteristic UV bands of the Keggin anion, alfa-H5[BW12O40]ź ź19H2O, are observed at 257 nm, as would be expected.

Słowa kluczowe

EN

polyoxometalates; glycine; urea; in organic-organic hybrid material; IR spectrum; UV spectrum

• Wydawca: Polskie Towarzystwo Chemiczne
• Czasopismo: Polish Journal of Chemistry
• Rocznik: 2009
• Tom: Vol. 83, nr 9
• Strony: 1583--1589
• Opis fizyczny: Bibliogr. 20 poz., rys.

Twórcy

autor

Alizadeh M. H.

autor

Eshtiagh-Hosseini H.

autor

Mirzaei M.

autor

Hosseini-Nejad M.

• Department of Chemistry, School of Sciences, Ferdowsi University of Mashhad, Mashhad P.O.Box 917791436, Iran,

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