Chapter 17 Keywords Flashcards
1
Q
Fragmentation
A
The proces by which some of the molecular ion breaks down into fragments making fragment ions.
Simplest fragmentation breaks molecular ion into a fragment ion and a radical. Positive ions are detected and radicals aren’t.
2
Q
ITF when m/z =15
A
CH3+
3
Q
ITF when m/z = 29
A
C2H5+
4
Q
ITF when m/z =43
A
C3H7+
5
Q
ITF when m/z = 57
A
C4H9+
6
Q
Stretch
A
A type of vibration, Rhythmic movement along the line between atoms meaning that the distance between the two atomic centres increases and decreases
7
Q
Bend
A
A type of vibrato not resulting in the change in bond angle
8
Q
Fingerprint region
A
Below 1500cm-1, used to identify the particular molecule under investigation either by using computer software or by physically comparing the spectrum to booklets published spectra.
