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. 2023 Nov 21;14:1304081. doi: 10.3389/fmicb.2023.1304081

Figure 1.

Figure 1

Typical infrared values for various types of bonds. The region 500–1,500 cm−1, which is in the mid-IR region, is called the fingerprint region and provides molecular fingerprints unique to specific compounds. Reproduced from Master Organic Chemistry (https://www.masterorganicchemistry.com/2016/11/23/quick_analysis_of_ir_spectra/) (accessed on 28 September 2023), with kind permission from James Ashenhurst.