this post was submitted on 22 Oct 2025
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Wasn't that 1500 whatever-the-unit-was? Below 1000 whatever-the-unit-was was the fingerprint bands, 3400ish whatever-the-unit-was was the O-H bonds, 3100ish whatever-the-unit-was was N-H bonds, 2900ish whatever-the-unit-was was the triple-to-C-H bonds, etc.
Ugh. The lab portion for that was so tedious. We would have to sketch the expected resonance patterns by hand for a bunch of different molecules. I loved the simplicity of the hydrogen bond nuclear resonance imaging so much more.
Honestly, I memorised the bands once in orgo, and never looked at them again, so you're more likely to know than I.
uh, frequency is Hz (hertz) unit to my memory. if that's what you're using
It could also be scaled (THz) or when working with light given as a wavelength (nm) and sometimes even photon energy (eV).
I mean, it sounds right. It's been so long that I've forgotten.