IR question

[wendywellesley]

---

Members do not see this ad.

can anyone tell me what wavenumber is alpha helix on IR? is it around 2900?
where is the water peak?
thanks!!

 

[Lexian]

can anyone tell me what wavenumber is alpha helix on IR? is it around 2900?
where is the water peak?
thanks!!

I don't know about the alpha helix, but I believe a water peak is found around 3400 cm-1. That's where IR picks up -OH groups.