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IR Spectroscopy, FARJINA FIROZ AKHTAR
19PH01 - Coggle Diagram
IR Spectroscopy
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Infra-red spectrum is an important record which gives sufficient information about the structure
of a compound
vibrational transitions which are accompanied by a change in the dipole-moment of the
molecule are called infra-red active transitions.
vibrational transitions which are not accompanied by a change in dipole-
moment of the molecule are not directly observed and these are Infra-red inactive.
When two vibrational frequencies in a molecule couple to give rise to a vibration of new
frequency within the molecule and when such molecule is infrared active, it is called combination
band.
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