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Low‐frequency Raman and infrared scatterings in single crystals of sodium acid phthalate, NaC 8 H 5 O 4 · ½H 2 O
Author(s) -
Miniewicz A.,
Lefebvre J.,
Fontaine H.,
Marqueton Y.
Publication year - 1990
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.1250210305
Subject(s) - raman scattering , raman spectroscopy , infrared , anisotropy , single crystal , chemistry , infrared spectroscopy , analytical chemistry (journal) , scattering , crystal (programming language) , reflection (computer programming) , phonon , rayleigh scattering , materials science , nuclear magnetic resonance , molecular physics , crystallography , optics , condensed matter physics , physics , programming language , organic chemistry , chromatography , computer science
Polarized, low frequency (5–400 cm −1 ) Raman scattering spectra in single crystals of sodium acid phthalate (NaAP) were measured at 295 and 115 K. Similarly, infrared scattering measurements were performed by FTIR reflection and transmission techniques at room temperature. Symmetry assignments and band descriptions consistent with the crystal structure of NaAP are reported. The effects of crystal anisotropy on polar phonons and LOTO splittings were observed and are commented upon.