IR spectroscopy Flashcards
1
Q
What is the horizontal axis of an IR spectrum?
A
Wavenumber cm^-1
2
Q
What does wavenumber equal
A
1
Wavenumber = ————–
wavelength
3
Q
What is the vertical axis?
A
% transmittance
4
Q
How do you use it?
A
The absence or presence of a peak tells you what bond is present
5
Q
What causes organic molecules to absorb infrared radiation
A
Molecular vibrations due to the bending and stretching of covalent bonds
