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9. Briefly explain how the 13C-NMR data was used to determine (or confirm) your proposed structure....
7. Fill in the table below with the information on each unique 'H-NMR signal. You may...
7. Fill in the table below with the information on each unique 'H-NMR signal. You may treat all aromatic protons as a single signal if that helps. Peak Chemical # of Proposed Fragment Structure Multiplicity Shift (6) # 8. Based on your molecular formula, H-NMR integration and 13C-NMR, is there any symmetry in your molecule? Explain Briefly explain how the 13C-NMR data was used to determine (or confirm) your proposed 9. structure We were unable to transcribe this imageС13 Н10...
10. Briefly explain how the 13C-NMR data was used to determine (or confirm your proposed structure....
10. Briefly explain how the 13C-NMR data was used to determine (or confirm your proposed structure. 11. In both of the boxes below, draw the bond-line structure with appropriate bond angles) of your unknown. On the structure on the left, indicate with a label (peak #from table above) and arrow the source of each signal. On the structure of the right, indicate with a label (13C-NMR ppm) and arrow the source of each signal. Chapter 5: INTEGRATED SPECTROSCOPY PROBLEMS 139...
What is the structure of unknown compound based on 1H and 13C NMR and IR Spectra...
What is the structure of unknown compound based on 1H and 13C
NMR and IR Spectra
BRUKER 3500 3000 2500 2000 Wavenumber cm-1 1500 1000 500 C1OPUS 65)MEASIGB Product 20 GB Product 2 Instrument type and / or accessony 01/03/2018 Page 1/1
perpose a structure with a formula of C5H12O with the given information % Transmittance 0 4000...
perpose a structure with a formula of C5H12O with the
given information
% Transmittance 0 4000 3500 3000 1500 1000 2500 2000 Wavenumber 1. Propose a structure for a compound with molecular formula C3H120 that exhibits the following 13C- NMR and IR spectra Carbon 13 NMR 73.8 100 90 80 70 60 50 40 Chemical shift (ppm) 30 20 10 0
WHAT IS THE COMPOUND?? Problem 6: UV: wavelength (max): 210 (11,500), 315 (14) 13C NMR(in ppm):...
WHAT IS THE COMPOUND??
Problem 6: UV: wavelength (max): 210 (11,500), 315 (14) 13C NMR(in ppm): 138.1, 139.5, 195.3 MS: m/z % abundance 100 65 56 (M) 'H NMR spectrum (CDCI) SOURCE: Reprinted with permission of Aldrich Chemical. 86.3-6.7 (3H) 89.60 (1H) IR spectrum SOURCE: OBIO-RAD Laboratories, Sadtler Division. % Transmittance 3500 3000 1000 500 2500 2000 1500 Wavenumber (cm-')
What is the structure of the product using the given NMR and IR spectra? NMR and...
What is the structure of the product using the given
NMR and IR spectra?
NMR and Infrared spectra of the product in the Lehman Experiment #41, lab 5. d, 6H S, 3H m, 1H broad s, 1H m, 1H m, 1H sept, 1H 007 NCE [%] m, 1H sept, 1H TRANSMITTANCE [%] 6080 40 L 1000 500 4000 3500 1500 3000 2500 2000 WAVENUMBER (cm-1]
WHAT IS THE COMPOUND?? Problem 5: m/z UV (data unavailable) 13C NMR(in ppm): 30.7, 113.4, 121.6,...
WHAT IS THE COMPOUND??
Problem 5: m/z UV (data unavailable) 13C NMR(in ppm): 30.7, 113.4, 121.6, 128.9, 147.8 MS: % abundance 28 100 106 15 140 141 (M) 143 (M+2) HNMR spectrum (CDC) SOURCE: Reprinted with permission of Aldrich Chemical 82.75 (3H) 83.65 (1H) 86.50 (2H) 87.10 (2H) 7.0 6.5 6.0 6.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 IR spectrum SOURCE: OBIO-RAD Laboratories, Sadtler Division % Transmittance 3500 3000 1000 500 2500 2000 1500 Wavenumber...
WHAT IS THE COMPOUND?? Problem 7: UV: no absorption peaks > 220 nm 13C NMR(in ppm):...
WHAT IS THE COMPOUND??
Problem 7: UV: no absorption peaks > 220 nm 13C NMR(in ppm): 22.9, 28.9, 29.3, 34.6, 69.3, 176.2 MS: % abundance m/z 76 55 114(M) 100 13 -1.6-1.9 (6H) 82.65 (2H) 84.25 (2H) 'H NMR spectrum (CDCI) SOURCE: Reprinted with permission of Aldrich Chemical. IR spectrum SOURCE: OBIO-RAD Laboratories, Sadtler Division % Transmittance 3500 3000 1000 500 2500 2000 1500 Wavenumber (cm')
please help find the structure. thanks Unknown 11 – 1H-NMR Spectra 3.591 3.569 SOT 1.574 ISST...
please help find the structure. thanks
Unknown 11 – 1H-NMR Spectra 3.591 3.569 SOT 1.574 ISST -1.291 3.5 3.0 2.5 0 1. 0 .5 0.0 ppm Unknown 11 - 13C-NMR Spectrum - 220 200 180 160 140 120 100 80 0 ppm -62.80 ミュー 20 220 100 80 200 180 160 140 120 Unknown 11 - IR and Mass Spectra Unknown 11 - IR and was seven Reative itensity TTTTTTTH O- m 60 /z TRANSMITTANCE [%] لالالالالا OD 40'0o 3500...
Determine the structure of a compound, CiH: NO), given the IR and C NMR spectra shown...
Determine the structure of a compound, CiH: NO), given the IR and C NMR spectra shown below. Show all of your reasoning. A correct structure with no explanation will receive no credit Transmittance -10058 3500 3000 1500 2500 2000 Warenumber(cm-1) 3H HI that the hot to stot 2H 3H CDCI, 122011 aman ner dot 1220 1148.7
7. Fill in the table below with the information on each unique 'H-NMR signal. You may treat all aromatic protons as a single signal if that helps. Peak Chemical # of Proposed Fragment Structure Multiplicity Shift (6) # 8. Based on your molecular formula, H-NMR integration and 13C-NMR, is there any symmetry in your molecule? Explain Briefly explain how the 13C-NMR data was used to determine (or confirm) your proposed 9. structure We were unable to transcribe this imageС13 Н10...
10. Briefly explain how the 13C-NMR data was used to determine (or confirm your proposed structure. 11. In both of the boxes below, draw the bond-line structure with appropriate bond angles) of your unknown. On the structure on the left, indicate with a label (peak #from table above) and arrow the source of each signal. On the structure of the right, indicate with a label (13C-NMR ppm) and arrow the source of each signal. Chapter 5: INTEGRATED SPECTROSCOPY PROBLEMS 139...
What is the structure of unknown compound based on 1H and 13C
NMR and IR Spectra
BRUKER 3500 3000 2500 2000 Wavenumber cm-1 1500 1000 500 C1OPUS 65)MEASIGB Product 20 GB Product 2 Instrument type and / or accessony 01/03/2018 Page 1/1
perpose a structure with a formula of C5H12O with the
given information
% Transmittance 0 4000 3500 3000 1500 1000 2500 2000 Wavenumber 1. Propose a structure for a compound with molecular formula C3H120 that exhibits the following 13C- NMR and IR spectra Carbon 13 NMR 73.8 100 90 80 70 60 50 40 Chemical shift (ppm) 30 20 10 0
WHAT IS THE COMPOUND??
Problem 6: UV: wavelength (max): 210 (11,500), 315 (14) 13C NMR(in ppm): 138.1, 139.5, 195.3 MS: m/z % abundance 100 65 56 (M) 'H NMR spectrum (CDCI) SOURCE: Reprinted with permission of Aldrich Chemical. 86.3-6.7 (3H) 89.60 (1H) IR spectrum SOURCE: OBIO-RAD Laboratories, Sadtler Division. % Transmittance 3500 3000 1000 500 2500 2000 1500 Wavenumber (cm-')
What is the structure of the product using the given
NMR and IR spectra?
NMR and Infrared spectra of the product in the Lehman Experiment #41, lab 5. d, 6H S, 3H m, 1H broad s, 1H m, 1H m, 1H sept, 1H 007 NCE [%] m, 1H sept, 1H TRANSMITTANCE [%] 6080 40 L 1000 500 4000 3500 1500 3000 2500 2000 WAVENUMBER (cm-1]
WHAT IS THE COMPOUND??
Problem 5: m/z UV (data unavailable) 13C NMR(in ppm): 30.7, 113.4, 121.6, 128.9, 147.8 MS: % abundance 28 100 106 15 140 141 (M) 143 (M+2) HNMR spectrum (CDC) SOURCE: Reprinted with permission of Aldrich Chemical 82.75 (3H) 83.65 (1H) 86.50 (2H) 87.10 (2H) 7.0 6.5 6.0 6.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 IR spectrum SOURCE: OBIO-RAD Laboratories, Sadtler Division % Transmittance 3500 3000 1000 500 2500 2000 1500 Wavenumber...
WHAT IS THE COMPOUND??
Problem 7: UV: no absorption peaks > 220 nm 13C NMR(in ppm): 22.9, 28.9, 29.3, 34.6, 69.3, 176.2 MS: % abundance m/z 76 55 114(M) 100 13 -1.6-1.9 (6H) 82.65 (2H) 84.25 (2H) 'H NMR spectrum (CDCI) SOURCE: Reprinted with permission of Aldrich Chemical. IR spectrum SOURCE: OBIO-RAD Laboratories, Sadtler Division % Transmittance 3500 3000 1000 500 2500 2000 1500 Wavenumber (cm')
please help find the structure. thanks
Unknown 11 – 1H-NMR Spectra 3.591 3.569 SOT 1.574 ISST -1.291 3.5 3.0 2.5 0 1. 0 .5 0.0 ppm Unknown 11 - 13C-NMR Spectrum - 220 200 180 160 140 120 100 80 0 ppm -62.80 ミュー 20 220 100 80 200 180 160 140 120 Unknown 11 - IR and Mass Spectra Unknown 11 - IR and was seven Reative itensity TTTTTTTH O- m 60 /z TRANSMITTANCE [%] لالالالالا OD 40'0o 3500...
Determine the structure of a compound, CiH: NO), given the IR and C NMR spectra shown below. Show all of your reasoning. A correct structure with no explanation will receive no credit Transmittance -10058 3500 3000 1500 2500 2000 Warenumber(cm-1) 3H HI that the hot to stot 2H 3H CDCI, 122011 aman ner dot 1220 1148.7
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