Infrared Spectra Analysis for Organic Compounds Matching Problem
Dive into the differences in infrared spectra for various organic compounds to identify unique characteristics and match them to their respective structures efficiently.
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Presentation Transcript
In a matching problem, do not try to fully analyze each spectrum. Look for differences in the possible compounds that will show up in an infrared spectrum. H2 C H2 C H2 C C C A E CH2 H 1,2-diphenylethane biphenyl allylbenzene CH3 CH3 F CH2CH2CH2CH3 D CH3CH2CH2CH2CH3 B n-pentane n-butylbenzene o-xylene E.T 1
1 1500 & 1600 benzene 1640 C=C 910-920 & 990-1000 C-H unsat d & sat d mono RCH=CH2 C9H10 C6H5 = -C3H5 E.T 2
2 2850-2960 cm-1 3000 cm-1 sat d C-H 1470 &1375 cm-1 CH3CH2CH2CH2 CH3 E.T 3
3 C-H unsat d & sat d 1500 & 1600 benzene mono C10H14 C6H5 = -C4H9 E.T 4
4 C-H unsat d & sat d 1500 & 1600 benzene mono C14H14 C6H5 = C8H9 C6H5 = C2H4 E.T 5
5 C-H unsat d & no sat d 1500 & 1600 benzene mono C12H10 C6H5 = -C6H5 E.T 6
6 1500 & 1600 benzene 735-770 C-H unsat d & sat d ortho C8H10 C6H4= C2H6 E.T 7
