847-853) Look over pages 853-866 after viewing this presentation for additional examples of various functional groups. 833-834 in lab textbook) Uses of the Infrared Spectrum (p. Spectra are provided in 5 resolutions from 2.00 cm 1 to 0.125 cm 1 using 5 apodization functions. INFRARED SPECTROSCOPY (IR) Theory and Interpretation of IR spectra ASSIGNED READINGS Introduction to technique 25 (p. These spectra were measured from primary gas standards prepared and verified at NIST. Note: spectra taken by ATR method (used at CSB/SJU) have weaker peaks between 4000-2500 cm -1 compared to reference spectra taken by transmittance methods (typical on SDBS and other sites). The NIST Quantitative Infrared Database currently consists of a collection of absorption coefficient spectra of volatile organic compounds. Look for 2 or 3 peaks in this region generally at 1600, 1500, and. The Infrared Spectra of Nitriles and Related Compounds Frozen in Ar and H2O. (Note: The absorptions can be seen as several distinct peaks in this region.) H-C-H Asymmetric &. Note: strong, medium, weak refers to the length of the peak (in the y axis direction).
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