Spectroscopy Unknown. The spectra and data provided were obtained from a pure organic molecule. For ¹H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (J-values) are listed next to the peaks for some examples. For some spectra, an inset (grey box) is also given showing a "zoom-in" on an important part of the spectrum. Mass Spectrum (not shown): [M] = 175 (100%) m/z IR Spectrum (not shown): 3060, 2981, 2250, 1745, 1600, 1495 cm³¹ (all listed are strong (s) unless otherwise indicated) ¹H NMR Spectrum (400 MHz, CDCI3, 25 °C) 8 m 180 4H 6 2H 13C NMR Spectrum, proton-decoupled (125 MHz, CDCI3, 25 °C) (CH) (CH) (C) (C) (C) (C) ¡H 160 140 120 PPM 100 PPM 80 3 60 S 3H -2 90 (CH₂) (CH3) 20 O

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Chapter1: Chemical Foundations
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Identify the unknown
Spectroscopy Unknown. The spectra and data provided were obtained from a pure organic molecule.
For ¹H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants
(J-values) are listed next to the peaks for some examples. For some spectra, an inset (grey box) is also given showing a
"zoom-in" on an important part of the spectrum.
Mass Spectrum (not shown): [M] = 175 (100%) m/z
IR Spectrum (not shown): 3060, 2981, 2250, 1745, 1600, 1495 cm¹ (all listed are strong (s) unless otherwise
indicated)
¹H NMR Spectrum (400 MHz, CDCI3, 25 °C)
8
180
m
4H
(C)
160
1³C NMR Spectrum, proton-decoupled (125 MHz, CDCI3, 25 °C)
(CH) (CH)
(C)
5
140
(C) (C)
S
120
2H
PPM
100
PPM
80
60
S
3H
40
(CH₂) (CH3)
20
O
Transcribed Image Text:Spectroscopy Unknown. The spectra and data provided were obtained from a pure organic molecule. For ¹H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (J-values) are listed next to the peaks for some examples. For some spectra, an inset (grey box) is also given showing a "zoom-in" on an important part of the spectrum. Mass Spectrum (not shown): [M] = 175 (100%) m/z IR Spectrum (not shown): 3060, 2981, 2250, 1745, 1600, 1495 cm¹ (all listed are strong (s) unless otherwise indicated) ¹H NMR Spectrum (400 MHz, CDCI3, 25 °C) 8 180 m 4H (C) 160 1³C NMR Spectrum, proton-decoupled (125 MHz, CDCI3, 25 °C) (CH) (CH) (C) 5 140 (C) (C) S 120 2H PPM 100 PPM 80 60 S 3H 40 (CH₂) (CH3) 20 O
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