复旦大学：《谱学导论》课程教学资源（PPT课件）第五章 质谱（2/3）

@谱 5.3.2常见的碎片离子 m/e Ions 14CH2 15cH3 160 17 OH 18 H20, NH 19 F, H30 26C=N 27C2H 28 CH4, co, N2(air), CH=NH 29 ChS, CHO

5. 3. 2 常见的碎片离子 1 11 1

@质谱 30 CH,NH2, NO 31 CH, OH, OCH3 32 O? (Air) 33 SH, CH2F 34H2S 35 Cl 36 HCI 39C3H3 40 CH2C=N, Ar(Air) 41 C3H5, CH,C-N+H, C2H2NH 42C3H6 43 C3H7, CH3CO, C?HsN

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@谱 H 44 CH, C=0+H CH, CHNH, CO,, NH,C=0, (CH3)2N CH3 0 45 CHOH, CH, CH2 OH, CH20CH3, C-OH, CH3CH-0+h 46 NO 47 CH2 SH, CH3S 48 CH3S+ h 9 CH,CI

质评 51 CHF 53C4H5 54 CHy CH2C=N 55 C4H,, CH==CHC=O 56 CAHg 57C4H9,C2H5C=0 58 CH3-C+ H, C2H5 CHNH2, (CH3)NCH2 CH CHsNHCH2, C2H,s

@谱 59(CH3)2COH, CH2OC2Hs, C-OCH3, NH, C=0+H CH2 CH3OCHCH3, CHyCHCH2OH 60 CH2C+ H, CH,ONO OH

@谱 61 C-OCH3 2H, CH2CH2 SH, CH3 SCH3 65 ≡CsHs 66 ≡CsH6

@谱 67 CsH, 68 CH, CH,CH, CEN 69 CsH9, CF3, CH3 CH=CHC=O, CH2=C(CH3)c=0 70 CsH1o 71c5H1,C3HC=0 0 72 C2HSC+H, C3H,CHNH,, (CH3)2N=C=O, cH CrH5NHCHCH3, and isomers

@谱 73 Homologs of 59 0 74 CHy-c-0CH3+H 0 75 C-OC2Hs 2H, CH SCHs, CH3),CSH, (CH3 O)CH 77GH5 78c6H5+H 79 C6Hs+2H,Br

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@谱 80 CH2, CH3 SS +H H 81 CH2, C6H9, o 82 CH? CH2 CH2 CH2 C=N, CCl2, C6H1o

@质 83 C6H11, CHCl2 85 C6H13, C4H9 C=O, CCIF2 86 C3H7 C+ H, CaHy CHNH2, and isomers CH2 87 C3H,CO, homologs of 73, CH2 CH2 CoCH 88 CH2c-oc,Hs t H