Introduction to Organic Chemistry
Introduction to Organic Chemistry CHM 122
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This 1 page Class Notes was uploaded by Jordy Rice on Wednesday October 28, 2015. The Class Notes belongs to CHM 122 at Wake Forest University taught by Staff in Fall. Since its upload, it has received 51 views. For similar materials see /class/230751/chm-122-wake-forest-university in Chemistry at Wake Forest University.
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Date Created: 10/28/15
IR Spectroscopy by Functional Group Alkanes Indenti cation of absorbance 1 sp3 CH stretch w 29602850 lt3000 Alkenes sp2 CH stretch 31003020 cm391 gt3000 CC stretch 16801620 cm391 often weak Alkynes sp CH stretch CC triple bond stretch Nitriles 33333267 cnr391 22602100 cnr391 often weak CN triple bond stretch 22602240 cnr391 aliphatic 22402222 cnr391 conjugated Alcohols OH stretch 36003200 cm391 strong and broad CO stretch 1150 1050 cnr391 Aromatic Compounds sp2 CH stretch CC stretch Aromatic overtones of ring bends Aromatic outofplane ring bends Amines 31003020 cnr391 gt3000 1585 cnr391 20001667 cnr391 900700 cnr391 see p 519 NH stretch CN stretch often weak and hard to nd 35003350 cnr391 1250 1020 cnr391 aliphatic 13421266 cnr391 aromatic Aldeh des CH stretch of CHO 28302695 cm391 00 stretch 1740 1720 cnr391 Ketones CO stretch 17501710 cm391 1715 is typical for aliphatic ketones 16851665 cnr391 conjugated Carboxylic acids OH of 02H 36002500 cm391 centered at N 3000 00 stretch 1720 1710 cnr391 aliphatic 17001680 cnr391 conjugated Esters 00 stretch 1750 1735 cnr391 aliphatic 17201715 cnr391 conjugated CO stretch 1300 1000 cnr391