Deuteration and Vibrational Spectra of Dimethylammonium Paratungstate‐B Hydrates. Issue 6 (5th October 2020)

• Record Type: Journal Article
• Authors: Majzik, Eszter; Franguelli, Fernanda Paiva; Lendvay, György; Trif, László; Németh, Csaba; Farkas, Attila; Klébert, Szilvia; Bereczki, Laura; Szilágyi, Imre Miklós; Kótai, László
• Is Part Of: Zeitschrift für anorganische und allgemeine Chemie. Volume 647:Issue 6(2021)
• Page Start: 593
• Page End: 598
• Publication Date: 2020-10-05
• Subjects: Deuterium isotope exchange -- Raman spectroscopy -- Vibrational spectroscopy -- Dimethylammonium dihydrogendodecatungstate; Chemistry, Inorganic -- Periodicals; Chemistry -- Periodicals; 540
• DOI: 10.1002/zaac.202000283
• Languages: English
• ISSNs: 0044-2313

Abstract

Abstract : Infrared and Raman spectra of two solvatomorphs of a new dimethylammonium polytungstate decakis(dimethylammonium) dihydrogendodecatungstate, (Me2 NH2 )(H2 W12 O42 )· n H2 O ( n = 10 or 11), were evaluated and discussed. The assignment of bands corresponding to the cationic and anionic components as well as the water of crystallization is presented. Deuteration has been used in the interpretation of the spectra. The dimethylammonium cation and the molecules of water of crystallization form a network of regular and multifurcated hydrogen bonds, thus a fraction of the N–H hydrogen atoms are so strongly bound to the anion, that the compound can only be deuterated with an aggressive procedure. The method for deuteration is described in detail. The deuterated undecahydrate can be obtained from both solvatomorphs. Abstract :