如题: 丙酮 乙酸乙酯 乙醇 三乙胺 它们的出峰位置都是怎样的? 返回小木虫查看更多
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丙酮在2.1左右 单峰 乙酸乙酯 1.3三重峰 2.1单峰 4.1四重峰 乙醇 3.6左右有个4重峰 1.2左右有个三重峰 羟基一般不出现 如果出现在2左右 三乙胺 1左右三重峰 2.4左右有个四重峰 这些都是大概位置 根据溶剂不同有些会发生漂移
呵呵,谢谢!
看看这个文献 http://g.zhubajie.com/urllink.php?id=3295329523whfybircdh3x0
http://www.chem.wisc.edu/areas/r ... mr/NMR-Solvents.htm Solvent Formula 1H shifts 13C shifts mp °C bp °C Acetic Acid-d4 CD3COOD 2.0, 11.7 20.0, 180.0 16.6 117.9 Acetone-d6 CD3COCD3 2.09 29.9, 206.7 -94.7 56.1 Acetonitrile-d3 CD3CN 1.94 1.4, 118.7 -43.8 81.6 Benzene-d6 C6D6 7.16 128.4 5.5 80.1 Carbon Disulphide CS2 none 192.8 -11.6 46.3 Carbon Tetrachloride CCl4 none 96.7 -23.0 76.8 Chloroform-d CDCl3 7.24 77.23 -63.5 61.3 Dichloromethane-d2 CD2Cl2 5.32 54.0 -95.1 40.8 Diethyl Ether (-100 °C) (CH3CH2)2O ?, 66.51 -116.3 34.6 Dimethyl Ether (-100 °C) CH3OCH3 3.2 60.08 -138.5 -23 N,N-Dimethyl formamide-d7 Me2NCHO 2.95, 2.75, 8.03 29.8, 34.9, 163.2 -61.? 153.? Dimethyl Sulfoxide-d6 CD3SOCD3 2.50 39.5 18.6 189.0 1,4-Dioxan (OCH2CH2)2 3.53 66.7 11.8 101.4 Ethanol-d6 CD3CD2OD 1.11, 3.56, 5.19 17.3, 57.0 -117 78.3 Methanol-d4 CD3OD 3.31, 4.78 49.2 -97.8 64.6 Nitrobenzene C6D5NO2 7.5, 7.7, 8.1 123, 129, 135 5.7 210.8 Nitromethane-d3 CD3NO2 4.3 57.3 -28.6 101.2 Pyridine-d5 C5D5N 7.22, 7.58, 8.74 123.9, 135.9, 150.2 -41.6 115.3 1,1,2,2-Tetrachloroethane CHCl2CHCl2 ? 75.5 -43.8 146.3 Tetrahydrofuran-d8 C4D8O 1.73, 3.58 25.4, 67.6 -108.5 65.4 Tetrahydrofuran -100 °C C4H8O ?, 67.96 Toluene-d8 C6D5CD3 2.09, 6.98, 7.00, 7.09 20.4, 125.5, 128.3, 129.4, 137.9 -94.9 110.6 Trichlorofluoromethane CFCl3 none 117.6 -111 23.7 Trifluoroacetic Acid-d4 CF3COOD 11.5 116.6, 164.2 -15.3 72.4 Trifluoroethanol-d3 CF3CD2OD 3.88, 5.02 61.5, 126.3 -15.3 72.4 Water D2O 4.8 none 0.0 100.0 Solvent Formula 1H shifts 13C shifts mp °C bp °C,
我感觉这个问题问的太没水准了~~
大家帮帮忙啊!在线等!
丙酮在2.1左右 单峰
乙酸乙酯 1.3三重峰 2.1单峰 4.1四重峰
乙醇 3.6左右有个4重峰 1.2左右有个三重峰 羟基一般不出现 如果出现在2左右
三乙胺 1左右三重峰 2.4左右有个四重峰
这些都是大概位置 根据溶剂不同有些会发生漂移
呵呵,谢谢!
看看这个文献
http://g.zhubajie.com/urllink.php?id=3295329523whfybircdh3x0
http://www.chem.wisc.edu/areas/r ... mr/NMR-Solvents.htm
Solvent Formula 1H shifts 13C shifts mp °C bp °C
Acetic Acid-d4 CD3COOD 2.0, 11.7 20.0, 180.0 16.6 117.9
Acetone-d6 CD3COCD3 2.09 29.9, 206.7 -94.7 56.1
Acetonitrile-d3 CD3CN 1.94 1.4, 118.7 -43.8 81.6
Benzene-d6 C6D6 7.16 128.4 5.5 80.1
Carbon Disulphide CS2 none 192.8 -11.6 46.3
Carbon Tetrachloride CCl4 none 96.7 -23.0 76.8
Chloroform-d CDCl3 7.24 77.23 -63.5 61.3
Dichloromethane-d2 CD2Cl2 5.32 54.0 -95.1 40.8
Diethyl Ether (-100 °C) (CH3CH2)2O ?, 66.51 -116.3 34.6
Dimethyl Ether (-100 °C) CH3OCH3 3.2 60.08 -138.5 -23
N,N-Dimethyl formamide-d7 Me2NCHO 2.95, 2.75, 8.03 29.8, 34.9, 163.2 -61.? 153.?
Dimethyl Sulfoxide-d6 CD3SOCD3 2.50 39.5 18.6 189.0
1,4-Dioxan (OCH2CH2)2 3.53 66.7 11.8 101.4
Ethanol-d6 CD3CD2OD 1.11, 3.56, 5.19 17.3, 57.0 -117 78.3
Methanol-d4 CD3OD 3.31, 4.78 49.2 -97.8 64.6
Nitrobenzene C6D5NO2 7.5, 7.7, 8.1 123, 129, 135 5.7 210.8
Nitromethane-d3 CD3NO2 4.3 57.3 -28.6 101.2
Pyridine-d5 C5D5N 7.22, 7.58, 8.74 123.9, 135.9, 150.2 -41.6 115.3
1,1,2,2-Tetrachloroethane CHCl2CHCl2 ? 75.5 -43.8 146.3
Tetrahydrofuran-d8 C4D8O 1.73, 3.58 25.4, 67.6 -108.5 65.4
Tetrahydrofuran -100 °C C4H8O ?, 67.96
Toluene-d8 C6D5CD3 2.09, 6.98, 7.00, 7.09 20.4, 125.5, 128.3, 129.4, 137.9 -94.9 110.6
Trichlorofluoromethane CFCl3 none 117.6 -111 23.7
Trifluoroacetic Acid-d4 CF3COOD 11.5 116.6, 164.2 -15.3 72.4
Trifluoroethanol-d3 CF3CD2OD 3.88, 5.02 61.5, 126.3 -15.3 72.4
Water D2O 4.8 none 0.0 100.0
Solvent Formula 1H shifts 13C shifts mp °C bp °C,
我感觉这个问题问的太没水准了~~
来咱们版的朋友有很多是刚刚接触实验问题的,问一些基础的问题也是很正常的哈 呵呵