Homework Answers
Ir spectra analysis..
1. A strong peak around 2990 cm-1 represents the sp3 hybridised C-H stretch.
2. The peaks between 1460-1350 cm-1 represent C-H bending.
3. A medium Sharp peak around 500 cm-1 represens C-Br stretch.
Conclusion: Compound would be Bromo alkane
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spectral problem its all one problem
1) identify the compounds for each group of spectra (mass,...
spectral problem its all one problem 1) identify the compounds for each group of spectra (mass,...
spectral problem its all one problem
1) identify the compounds for each group of spectra (mass,
proton, carbon and IR)
2) assign the proton and carbon and IR spectra. identify at
least two possible fragmentation on the mass spectrum
ЗН 1Н 20 200 180 160 140 120 100 во со 40 20 C 69.8; H = 11.6; 20 = 18.6 100 MS-N-0051 10 20 30 40 50 60 70 TTTTTTTTT 80 90
spectral problem its all one problem 1) identify the compounds for each group of spectra (mass,...
spectral problem its all one problem
1) identify the compounds for each group of spectra (mass,
proton, carbon and IR)
2) assign the proton and carbon and IR spectra. identify at
least two possible fragmentation on the mass spectrum
#9 2H 2H ddd 200 180 160 140 120 100 80 60 40 20 SEC=81.1: H-8.1; 90 = 10.8 100- PES-NU-4025 60 40 20 - Other 50 75 100 125 150 R-C-C-CR MAVENUME ERI-1
spectral problem its all one problem 1) identify the compounds for each group of spectra (mass,...
spectral problem its all one problem
1) identify the compounds for each group of spectra (mass,
proton, carbon and IR)
2) assign the proton and carbon and IR spectra. identify at
least two possible fragmentation on the mass spectrum
#6 SH (2 x CH2 and 1 x CH) 36 200 180 160 140 120 100 80 60 40 MI =102 (C = 70.6; SH - 13.7; 10 - 15.7) 100 NS-W-714 80- 10 20 30 40 50 60 70 80...
spectral problem its all one problem 1) identify the compounds for each group of spectra (mass,...
spectral problem its all one problem
1) identify the compounds for each group of spectra (mass,
proton, carbon and IR)
2) assign the proton and carbon and IR spectra. identify at
least two possible fragmentation on the mass spectrum
the
values is whats there from the 3rd graph thats all i was
given
#8 1H 5.5 5.0 20 ag 200 180 160 140 120 100 80 0 40 20 C-69.8: H-11.6 -18.6 100 - MS-W-11 80 60 40- 20- 10...
spectral problem its all one problem 1) identify the compounds for each group of spectra (mass,...
spectral problem its all one problem
1) identify the compounds for each group of spectra (mass,
proton, carbon and IR)
2) assign the proton and carbon and IR spectra. identify at
least two possible fragmentation on the mass spectrum
#12 HINT FOR PROTON: The Hat 6.5 ppm is adjacent to 2 H of different types (not 3 H of the same type). 10 1Н 1н Тінін | 180 140 40 200 160 120 100 200 80 FC = 62.5; SH...
spectral problem its all one problem 1) identify the compounds for each group of spectra (mass,...
spectral problem its all one problem
1) identify the compounds for each group of spectra (mass,
proton, carbon and IR)
2) assign the proton and carbon and IR spectra. identify at
least two possible fragmentation on the mass spectrum
SH SH 1H 1 1Η ddd 200 0 100 120 160 140 120 100 BD5040 ZO %C = 79.4: %H = 8.8: %0 - 11.8 100 MS-NW-3395 40- 20 Orth 25 TTTTTTTTTT 125 50 75 100
its all one problem on spectra please help 1. to identify fhe compounds of each spectra...
its all one problem on spectra please help
1. to identify fhe compounds of each spectra
2.assign proton , carbon and IR spectra
3 200 100 160 140 120 1000 6040200 MI = 89 %C = 40.4: %H = 7.8: %0 = 36.0) 100 MS- N910 10 20 30 40 50 60 7080 RVENUTERII
Propose a structure that is consistent with the spectral data below. (The spectra and data provided...
Propose a structure that is consistent with the spectral data below. (The spectra and data provided were obtained from a pure organic molecule. For 'H NMR spectra, the integral is given in number of hydrogens (#H) or as a relative ratio.) Mass Spectrum (not shown): [M] = 162 m/z (100%) IR Spectrum (not shown): 3022, 2980, 1685, 1600, 1510 cm (all listed are strong (s) unless otherwise indicated) 'H NMR Spectrum (300 MHz, DMSO, 25 °C) dd (J= 2 Hz)...
bined Spectra Problems All Together": within mbined Spectra Problems friends, the moment has come... pre puring...
bined Spectra Problems All Together": within mbined Spectra Problems friends, the moment has come... pre puring the past two semesters, we have talked about infrared spectros- (IR), 'H-NMR spectroscopy, "C-NMR spectroscopy, and Mass spec trometry (MS). We've also talked about using information gathered from the mass spectrum to generate a molecular formula and the index of hydro- gen deficiency which helps us determine information about our compound when there isn't any available. The moment has come in which we piece...
Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are...
Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are listed for all examples. IR peaks listed are strong (s) unless otherwise indicated for signals above 1500 cm H 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...
spectral problem its all one problem
1) identify the compounds for each group of spectra (mass,
proton, carbon and IR)
2) assign the proton and carbon and IR spectra. identify at
least two possible fragmentation on the mass spectrum
ЗН 1Н 20 200 180 160 140 120 100 во со 40 20 C 69.8; H = 11.6; 20 = 18.6 100 MS-N-0051 10 20 30 40 50 60 70 TTTTTTTTT 80 90
spectral problem its all one problem
1) identify the compounds for each group of spectra (mass,
proton, carbon and IR)
2) assign the proton and carbon and IR spectra. identify at
least two possible fragmentation on the mass spectrum
#9 2H 2H ddd 200 180 160 140 120 100 80 60 40 20 SEC=81.1: H-8.1; 90 = 10.8 100- PES-NU-4025 60 40 20 - Other 50 75 100 125 150 R-C-C-CR MAVENUME ERI-1
spectral problem its all one problem
1) identify the compounds for each group of spectra (mass,
proton, carbon and IR)
2) assign the proton and carbon and IR spectra. identify at
least two possible fragmentation on the mass spectrum
#6 SH (2 x CH2 and 1 x CH) 36 200 180 160 140 120 100 80 60 40 MI =102 (C = 70.6; SH - 13.7; 10 - 15.7) 100 NS-W-714 80- 10 20 30 40 50 60 70 80...
spectral problem its all one problem
1) identify the compounds for each group of spectra (mass,
proton, carbon and IR)
2) assign the proton and carbon and IR spectra. identify at
least two possible fragmentation on the mass spectrum
the
values is whats there from the 3rd graph thats all i was
given
#8 1H 5.5 5.0 20 ag 200 180 160 140 120 100 80 0 40 20 C-69.8: H-11.6 -18.6 100 - MS-W-11 80 60 40- 20- 10...
spectral problem its all one problem
1) identify the compounds for each group of spectra (mass,
proton, carbon and IR)
2) assign the proton and carbon and IR spectra. identify at
least two possible fragmentation on the mass spectrum
#12 HINT FOR PROTON: The Hat 6.5 ppm is adjacent to 2 H of different types (not 3 H of the same type). 10 1Н 1н Тінін | 180 140 40 200 160 120 100 200 80 FC = 62.5; SH...
spectral problem its all one problem
1) identify the compounds for each group of spectra (mass,
proton, carbon and IR)
2) assign the proton and carbon and IR spectra. identify at
least two possible fragmentation on the mass spectrum
SH SH 1H 1 1Η ddd 200 0 100 120 160 140 120 100 BD5040 ZO %C = 79.4: %H = 8.8: %0 - 11.8 100 MS-NW-3395 40- 20 Orth 25 TTTTTTTTTT 125 50 75 100
its all one problem on spectra please help
1. to identify fhe compounds of each spectra
2.assign proton , carbon and IR spectra
3 200 100 160 140 120 1000 6040200 MI = 89 %C = 40.4: %H = 7.8: %0 = 36.0) 100 MS- N910 10 20 30 40 50 60 7080 RVENUTERII
Propose a structure that is consistent with the spectral data below. (The spectra and data provided were obtained from a pure organic molecule. For 'H NMR spectra, the integral is given in number of hydrogens (#H) or as a relative ratio.) Mass Spectrum (not shown): [M] = 162 m/z (100%) IR Spectrum (not shown): 3022, 2980, 1685, 1600, 1510 cm (all listed are strong (s) unless otherwise indicated) 'H NMR Spectrum (300 MHz, DMSO, 25 °C) dd (J= 2 Hz)...
bined Spectra Problems All Together": within mbined Spectra Problems friends, the moment has come... pre puring the past two semesters, we have talked about infrared spectros- (IR), 'H-NMR spectroscopy, "C-NMR spectroscopy, and Mass spec trometry (MS). We've also talked about using information gathered from the mass spectrum to generate a molecular formula and the index of hydro- gen deficiency which helps us determine information about our compound when there isn't any available. The moment has come in which we piece...
Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are listed for all examples. IR peaks listed are strong (s) unless otherwise indicated for signals above 1500 cm H 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...
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