Ch.14- IR Spectroscopy Flashcards
1
Q
Where is the fingerprint region?
A
from 600cm-1 to 1400cm-1
2
Q
What types of bonds are in the fingerprint region?
A
C-C bonds
C-O bonds
C-N bonds
3
Q
Where can C=C bonds be found on the IR spectrum?
A
1600-1800cm-1
4
Q
Where can C=O bonds be found on the IR spectrum?
A
1600-1800cm-1
5
Q
Where can C=N bonds be found on the IR spectrum?
A
1600-1800cm-1
6
Q
Where can C ≡C be found on the IR spectrum?
A
2100-2300 cm-1
7
Q
Where can C ≡N be found on the IR Spectrum?
A
2100-2300 cm-1
8
Q
What does the signal for an sp3 C-H look like on the IR spectrum?
A
A strong signal with 3 peaks at ~3000cm-1
9
Q
What does an OH signal look like?
A
A large rounded hump from 3000-3500cm-1
10
Q
What kind of structure is indicated by a series of stretched vibrations at around ~3000cm-1
A
An Aromatic ring
