Presentation is loading. Please wait.

Presentation is loading. Please wait.

Organic Chemistry Chapter 9 Solomons • Fryhle • Snyder

Similar presentations


Presentation on theme: "Organic Chemistry Chapter 9 Solomons • Fryhle • Snyder"— Presentation transcript:

1 Organic Chemistry Chapter 9 Solomons • Fryhle • Snyder
ELEVENTH EDITION Solomons • Fryhle • Snyder Chapter 9 Nuclear Magnetic Resonance and Mass Spectrometry Copyright © 2014 by John Wiley & Sons, Inc. All rights reserved.

2

3

4

5

6

7

8

9

10

11

12

13

14

15 n = number of H atoms on carbons next door
Peaks in a signal = n+1 (3 peaks means 2 H next door, 6 peaks means 5 H next door, etc.)

16

17

18

19

20

21

22 Spectrum for compound of the type X-CH2-CH2-CH2-X, where X is electronegative

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48 Jab = Jbc

49

50 Gives two peaks (axial and equatorial) at low temp

51

52 13C NMR

53

54

55 Proton-decoupled 13C DEPT NMR

56

57

58

59

60

61 1H - 1H COSY NMR

62

63 Mass Spectrometry

64

65

66

67

68

69

70 Mass Spectrum of CH3F

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94 Mass Spectrum for CH4 Showing 13CH4 at m/z 17

95

96 Mass Spectrum of C6H5Cl showing 35Cl M+ at m/z 112 and 37Cl M+ at m/z 114

97 Notice equal peak heights at m/z 170 and m/z 172 for two isotopes of Br

98 Mass Spectrum of 2-Chloropropane

99

100


Download ppt "Organic Chemistry Chapter 9 Solomons • Fryhle • Snyder"

Similar presentations


Ads by Google