06 IR ATR_page_2

06 IR ATR | page 2 | https://thedailydialectics.com/pdfs/education/chemistry/analytical-chem/analytical-methods-for-analysis-UH/06 IR ATR/06 IR ATR.pdf

Chem4229-Instrumental Methods of Analysis ee Symmetric stretch Bend (2 of these) Asymmetric stretch vy = 1340 cm=! iy = 667 cm~! 4 = 2349 m=" (a) Symmetric stretch Bend Asymmetric stretch by = 1151.20m7! y= 519 cm~! 3 = 1361 em™! (b) Figure 1. Vibrational Normal Modes. (a) Carbon dioxide. (b)…