Practice time! Identify the Peaks and Structure H-C=C-CH2CH2CH3 LOD HAI D 4000 NH2 OH 3000 2000 1500 1000 500 HAVENUMBERI-11 Table L1.2: Characteristic IR Absorption Frequencies Bond Description Example (R=H or alkyl) Absorption Range (cm³) alcohol O-H R- H- alkyne 3200-3650 (broad, strong) 3260-3330 CSp-H R- R amine 3100-3500 N-H alkene R H 3050-3150 Cop2-H R alkane 2840-3000 R -H Cup 3-H (strong) alkyne 2100-2260 C=C R- -R carbonyl C=O 1690-1760 (strong) R R R alkene 1620-1680 C=C cm-1 R alcohol 1000-1260 C-O R3C OH
Practice time! Identify the Peaks and Structure H-C=C-CH2CH2CH3 LOD HAI D 4000 NH2 OH 3000 2000 1500 1000 500 HAVENUMBERI-11 Table L1.2: Characteristic IR Absorption Frequencies Bond Description Example (R=H or alkyl) Absorption Range (cm³) alcohol O-H R- H- alkyne 3200-3650 (broad, strong) 3260-3330 CSp-H R- R amine 3100-3500 N-H alkene R H 3050-3150 Cop2-H R alkane 2840-3000 R -H Cup 3-H (strong) alkyne 2100-2260 C=C R- -R carbonyl C=O 1690-1760 (strong) R R R alkene 1620-1680 C=C cm-1 R alcohol 1000-1260 C-O R3C OH
Chapter13: Structure Determination: Nuclear Magnetic Resonance Spectroscopy
Section13.SE: Something Extra
Problem 48AP
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