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Sorption of amides by mixed niobyl-vanadyl phosphate (1990)

Garcia-Ponce, A. L. ; Moreno-Real, L. ; Jimenez-Lopez, A.

Springer

Journal of inclusion phenomena and macrocyclic chemistry 9 (1990), S. 355-366

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ISSN: 1573-1111

Keywords: Amides ; mixed niobyl-vanadyl phosphate ; intercalation ; layered phosphates

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: Abstract The layered mixed niobyl-vanadyl phosphate [(V0.l4Nb0.86)OPO4·2.7 H2O] can intercalate different amide molecules. In all cases, the amide I bands [v(CO)] of the original compound shift to lower frequencies, thereby indicating that the amide molecules interact with the layers probablyvia hydrogen bonds linking the coordinated water molecules to the metal atoms. To a lesser extent, primary amides show protonated molecules and tertiary amides show some molecules directly coordinated to the metals, as can be inferred from the bands appearing at 1732 and 1617 cm−1 in the IR spectrum, respectively.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01033315

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