Polarized FTIR microspectrometry on single crystals of diglycine hydrochloride

J. Baran; H. Ratajczak; Bert Lutz; John H. van der Maas

doi:10.1117/12.166810

31 January 1994 Polarized FTIR microspectrometry on single crystals of diglycine hydrochloride

J. Baran, H. Ratajczak, Bert Lutz, John H. van der Maas

Proceedings Volume 2089, 9th International Conference on Fourier Transform Spectroscopy; (1994) https://doi.org/10.1117/12.166810
Event: Fourier Transform Spectroscopy: Ninth International Conference, 1993, Calgary, Canada

Abstract

Polarized infrared spectra of single crystals of diglycine hydrochloride (DGCl) have been measured in transmittance and via external reflection with a microscope. Mathematical treatment of the reflection data by a Kramers-Kronig transformation resulted in very nice spectra, which prove to be similar to the ones measured in transmittance, except for minor differences. The frequencies of the sharp bands are identical but deviations are observed for broad absorptions, and therefore some experience is needed for a proper interpretation of the bands related with hydrogen bonding. The advantages of polarized reflection measurements with a microscope are simplicity of sample preparation (limited crystal growth, no polishing), and absence of interfering wax absorptions.

Citation Download Citation

J. Baran, H. Ratajczak, Bert Lutz, and John H. van der Maas "Polarized FTIR microspectrometry on single crystals of diglycine hydrochloride", Proc. SPIE 2089, 9th International Conference on Fourier Transform Spectroscopy, (31 January 1994); https://doi.org/10.1117/12.166810

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