Spectral data tables - ev ln Infrared A b Molecular V...

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ev ln on ros Molecular Vibration Wavenumber (cm'') * Comment Alkyne C.C-H stretch 3300 - 3400 S Usually a sharp peak Alcohol. ohenol O-H stretch 3200 VS a broad peak Alkene C=C-H stretch 3000 3100 m Alkane C-H stretch 2850 3000 m Often appears very strong because of large number of C-H bonds Aldehvde O=C-H 2700 2800 m Alkyne C.C stretch 21 00 ??00 m Absent if symmetrical Carbonyl qroups C=O stretch 1680-1820 Alkene C=C stretch 1610-1660 m Alcohol, phenol, ether C-O r050 12s0 s Afkene -HC=CH- bend (trans\ 960 980 S C=CHz bend 890 ) (crs) 675 730 ) * lntensity of the IR absorption: m = medium; s= stror rg; vs very strong. itions Ttpicd CMR Chemicsl Shift Renges for Common Functiond Groups Functbul Group 6ppm' FuactiotulGmup 6pyna Infrared Ab -cHJ, -cHr-,.| lll*,, -f"'-i- J I -c-o I I -C-Br I I -c-l I tl -c-N- I I -c-o- I o -c- o I o u/ -c-l.i -C-N t60-190 l@-tE0 2F.70 (' c- \:,/ 100-l{5 65-Es lt(Ft60 . Donfdd fion TMs.
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lH NMR Chemical Shifts (accuracy aPProx t0.2 ppm) CH'-N-CO-R 2'9 {--€H2{ {{H2-4€ {-€Hr{-O {-4Hr-C-C {-€H2-Ar {{Hr4O-R {{Hr{@R {{Hr-CO-N-R {-4H:+R --c{H2-+H -{--€Hr-G-Ar -c-€Hr-o-co-R -c{Hr-N -{{H:-S {-{H:-NO2 {{H2-C-NO: {{Hr=H-{O C:C{CHrrcO
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This note was uploaded on 02/11/2010 for the course CHEM 3590 at Cornell University (Engineering School).

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Spectral data tables - ev ln Infrared A b Molecular V...

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