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Vibrational spectroscopic study of alkylenediammonium hexachlorostannate compounds, NH 3 (CH 2 ) n NH 3 SnCl 6 ( n = 3 and 4)
Author(s) -
Elyoubi M.,
Ouasri A.,
Jeghnou H.,
Rhandour A.,
Dhamelincourt M.C.,
Dhamelincourt P.,
Mazzah A.
Publication year - 2004
Publication title -
journal of raman spectroscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.748
H-Index - 110
eISSN - 1097-4555
pISSN - 0377-0486
DOI - 10.1002/jrs.1254
Subject(s) - raman spectroscopy , infrared , chemistry , octahedron , hydrogen bond , infrared spectroscopy , crystallography , octahedral symmetry , hydrogen , analytical chemistry (journal) , ion , crystal structure , molecule , physics , organic chemistry , optics
The infrared and Raman spectra of propylenediammonium hexachlorostannate, NH 3 (CH 2 ) 3 NH 3 SnCl 6 , and its butylenediammonium homologue, NH 3 (CH 2 ) 4 NH 3 SnCl 6 , were recorded at ambient temperature and interpreted on the basis of literature data. All the characteristics of the IR and Raman bands of anions and cations in these compounds were identified. The combination bands observed in the 2300–1900 cm −1 infrared spectral region for both compounds indicate that they contain CNH 3 groups. Evidence for the existence of weak hydrogen bonds was found on examining the 2400–3200 cm −1 infrared spectral region. Thus, anions and cations are weakly connected by hydrogen bonding inside the crystals. The anions were found, in these two compounds, to be slightly distorted from their free O h octahedral symmetry. Copyright © 2004 John Wiley & Sons, Ltd.