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Infrared and Raman spectra of NH 4 Pr(SO 4 ) 2 and NH 4 La(SO 4 ) 2
Author(s) -
Pradeep T.,
Suresh G.,
Pillai V. P. Mahadevan,
Nayar V. U.
Publication year - 1991
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.1250220509
Subject(s) - raman spectroscopy , crystallography , infrared spectroscopy , infrared , chemistry , spectral line , hydrogen bond , crystal structure , analytical chemistry (journal) , materials science , molecule , physics , optics , organic chemistry , astronomy , chromatography
Raman and IR spectra of NH 4 Ln(SO 4 ) 2 (Ln = Pr, La) were recorded and analysed. The observed bands indicate a centrosymmetric structure for the crystals. Two crystallographically independent SO 2− 4 groups exist in both compounds. The NH 4 + groups form strong hydrogen bonds.