Interaction of fluosilicic acid with N-tert-butyl-substituted urea. Crystal structure of N,N-Di-tert-butylurea
(2005) Russian Journal of Coordination Chemistry — Vol. 31, n° 11, p. 775-779 (2005)
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- Abstract
- Fluosilicic acid reacts with solutions of N,N-di-tert-butylurea (DTBU) in methanol or acetone to form crystalline compounds 2DTBU · H 2SiF 6 and 2DTBU · H 2SiF 6 · Me 2CO, which were characterized by the IR and 19F NMR spectra and mass spectroscopy supplemented by theoretical calculations. According to the data of IR and 19F NMR spectra, the complexes are hexafluorosilicates of O-protonated DTBU. They undergo hydrolysis in organic media with water traces; their solubility in water is very low (0.10 and 0.14 wt %, respectively). In the DTBU structure, two independent ligand molecules are joined by hydrogen bonds NH⋯O(N⋯O) 2.888(5)-2.944(5) Å. © 2005 Pleiades Publishing, Inc.
- Affiliations
University of Geneva Crystallography
Citations
Gel’mbol’dt, V. O., Koroeva, L. V., & Filinchuk, Y. (2005). Interaction of fluosilicic acid with N-tert-butyl-substituted urea. Crystal structure of N,N-Di-tert-butylurea. Russian Journal of Coordination Chemistry, 31(11), 775-779. https://doi.org/10.1007/s11173-005-0168-1 (Original work published 2005)