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6
CH1012
IR SPECTROSCOPY
II.h
· A covalent bond continually vibrates.
•The
frequency of a vibration must match the
frequency
of irradiation
for absorption
to occur.
frequency
of irradiation
for absorption
to occur.
• A dipole
moment must
be created by
the vibration
moment must
be created by
the vibration
IR Spect. = “Functional
group detector”