Homework Answers
5.0 69 4.5 68 3.5 3.0 $ 2.5 2.0 67 65 64 63 61 1.0 0.5...
5.0 69 4.5 68 3.5 3.0 $ 2.5 2.0 67 65 64 63 61 1.0 0.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 UNEMPLOYMENT RATE (Percent)
NMR & IR post lab question help! NMR and IR 4.5 4.0 3.5 3.0 2.5 2.0...
NMR & IR post lab question help!
NMR and IR 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 ppm IH The 'H NMR for the unknown C: 20 7.5 7.0 6.5 6.0 6.5 5.0 4.5 4.0 3.5 3.0 25 20 519 05 Proton peak Integration Chemical Shift (ppm) Neighbors (m) Splitting pattern (+1) report as singlet/doublettripletlets. C must be an aliphatic alcohol. There is a strong O-H stretch in the IR and zero degrees of unsaturation. The remaining structure...
Analyze the proton and carbon NMR for 4-cyclohexane PROTON_02 4632-4-cyclohexane 7.5 7.0 6.5 6.0 5.5 5.0...
Analyze the proton and carbon NMR for
4-cyclohexane
PROTON_02 4632-4-cyclohexane 7.5 7.0 6.5 6.0 5.5 5.0 4.5 a 4.0 fi (ppm) 3.5 3.0 2.5 2.0 1.5 1.0 0.5 CARBON_01 4632-4-cyclohexane WAWANAN www 230 220 210 200 190 180 170160 150 140 130 120 110 f1 (ppm) 100 90 80 70 60 50 40 30 20 10 0 -10
NMRR The 'H NMR for the unknown 0.0 7.5 7.0 6.5 6.0 5 5 .0 4.5...
NMRR The 'H NMR for the unknown 0.0 7.5 7.0 6.5 6.0 5 5 .0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 ppm Proton peak Integration Chemical Shift Neighbors (A) Splitting pattern (+1) (report as singlet/doublet/tripletlete. (היי C must be an aliphatic alcohol. There is a strong O-H stretch in the IR and zero degrees of unsaturation. The remaining structure is determined by 'H NMR. (6) Predicted Structure C (label hydrogens with letter for assignment below):
Analyze the proton and carbon NMR of hexane PROTON_01 4632-2_Hexane -109 7.5 7.0 6.5 6.0 5.5...
Analyze the proton and carbon NMR of hexane
PROTON_01 4632-2_Hexane -109 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 CARBON_01 4632-2_Hexane www hwilowWWWMWWMWANAMUbwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww/WWWWWWWWWWWWwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww TTTT 230 220 210 200 190 180 170 160 150 140 130 120 110 fi (ppm) 100 90 80 70 60 50 40 30 20 10 0 -10
Consider the cyclohexanol/cyclohexene mixture spectrum. Calculate the observed cyclohexanol/cylcohexene ratio. Spectrum C cyclohexene & cyclohexanol mixture solvent: CDCl 3.0 2.5 5.5 5.0 4.5 4.0...
Consider the cyclohexanol/cyclohexene mixture spectrum.
Calculate the observed cyclohexanol/cylcohexene ratio.
Spectrum C cyclohexene & cyclohexanol mixture solvent: CDCl 3.0 2.5 5.5 5.0 4.5 4.0 3.5 2.0 1.5 1.0 0.5 ppm
Spectrum C cyclohexene & cyclohexanol mixture solvent: CDCl 3.0 2.5 5.5 5.0 4.5 4.0 3.5 2.0 1.5 1.0 0.5 ppm
Liquid Extraction NMR and IR The 'H NMR for the unknown C: 8.0 7.5 7.0 6.5...
Liquid Extraction NMR and IR The 'H NMR for the unknown C: 8.0 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 ppm Proton peak Integration Neighbors (n) Chemical Shift (ppm) Splitting pattern (n+1) (report as singlet/doublet/triplet/ete. 9 b. C must be an aliphatic alcohol. There is a strong O-H stretch in the IR and zero degrees of unsaturation. The remaining structure is determined by 'H NMR. (c) Predicted Structure C (label hydrogens with...
To give you more practice with analyzing NMR spectra, match each of the following 'H-NMR spectra...
To give you more practice with analyzing NMR spectra, match each of the following 'H-NMR spectra to one of the five possible compounds (structures below). Assign the NMR peaks to their respective hydrogens. Possible compounds: CH2. (H3 diethyl malonate p-ethylanisole OH 3-methylbutanal 1-pentene 1-propanol 6.0 2.0 4.8 4.6 4.4 4.2 4.0 3.8 3.6 3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 ppm a. 1.80 1.70 1.60 1.50 1.40 1.30 3.0 ( 2.0 | 2.0 2.32...
Identify the peak in the 1H NMR spectrum corresponding to the CH3 group, explain what coupling...
Identify the peak in the 1H NMR spectrum corresponding to the
CH3 group, explain what coupling pattern it has and why it has that
pattern.
7.4741 7.3572 7.3393 -5.4109 4.2023 4.1906 -4.1725 4.1608 -3.5350 -3.5065 -3.4775 Spectrometer: 400 MHZ Solvent: CDCI T 4.4 4.3 4.2 4.1 4.0 3.9 3.8 3.7 3.6 3.5 3.4 3.3 <3.2368 CDCI, x = peak from minor byproduct do 1.00-1 F-602 3.1444 Feer to 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0...
C NMR data provided when possible, show part Determine the structure of CHO from the IR,...
C NMR data provided when possible, show part Determine the structure of CHO from the IR, NR and structures that correspond to individual NMR resonances 1800 1600 2000 1400 1200 1000 000 3600 3400 3200 3000 2800 2600 2400 2200 1.10 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 normal decoupled 18C DEPT-135: (+) indicates positive peak (-) indicates negative peak indicates no peak DEPT-90 peaks indicated by Proposed Structure 200 180 160 140 120 100 80...
5.0 69 4.5 68 3.5 3.0 $ 2.5 2.0 67 65 64 63 61 1.0 0.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 UNEMPLOYMENT RATE (Percent)
NMR & IR post lab question help!
NMR and IR 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 ppm IH The 'H NMR for the unknown C: 20 7.5 7.0 6.5 6.0 6.5 5.0 4.5 4.0 3.5 3.0 25 20 519 05 Proton peak Integration Chemical Shift (ppm) Neighbors (m) Splitting pattern (+1) report as singlet/doublettripletlets. C must be an aliphatic alcohol. There is a strong O-H stretch in the IR and zero degrees of unsaturation. The remaining structure...
Analyze the proton and carbon NMR for
4-cyclohexane
PROTON_02 4632-4-cyclohexane 7.5 7.0 6.5 6.0 5.5 5.0 4.5 a 4.0 fi (ppm) 3.5 3.0 2.5 2.0 1.5 1.0 0.5 CARBON_01 4632-4-cyclohexane WAWANAN www 230 220 210 200 190 180 170160 150 140 130 120 110 f1 (ppm) 100 90 80 70 60 50 40 30 20 10 0 -10
NMRR The 'H NMR for the unknown 0.0 7.5 7.0 6.5 6.0 5 5 .0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 ppm Proton peak Integration Chemical Shift Neighbors (A) Splitting pattern (+1) (report as singlet/doublet/tripletlete. (היי C must be an aliphatic alcohol. There is a strong O-H stretch in the IR and zero degrees of unsaturation. The remaining structure is determined by 'H NMR. (6) Predicted Structure C (label hydrogens with letter for assignment below):
Analyze the proton and carbon NMR of hexane
PROTON_01 4632-2_Hexane -109 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 CARBON_01 4632-2_Hexane www hwilowWWWMWWMWANAMUbwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww/WWWWWWWWWWWWwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww TTTT 230 220 210 200 190 180 170 160 150 140 130 120 110 fi (ppm) 100 90 80 70 60 50 40 30 20 10 0 -10
Consider the cyclohexanol/cyclohexene mixture spectrum.
Calculate the observed cyclohexanol/cylcohexene ratio.
Spectrum C cyclohexene & cyclohexanol mixture solvent: CDCl 3.0 2.5 5.5 5.0 4.5 4.0 3.5 2.0 1.5 1.0 0.5 ppm
Spectrum C cyclohexene & cyclohexanol mixture solvent: CDCl 3.0 2.5 5.5 5.0 4.5 4.0 3.5 2.0 1.5 1.0 0.5 ppm
Liquid Extraction NMR and IR The 'H NMR for the unknown C: 8.0 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 ppm Proton peak Integration Neighbors (n) Chemical Shift (ppm) Splitting pattern (n+1) (report as singlet/doublet/triplet/ete. 9 b. C must be an aliphatic alcohol. There is a strong O-H stretch in the IR and zero degrees of unsaturation. The remaining structure is determined by 'H NMR. (c) Predicted Structure C (label hydrogens with...
To give you more practice with analyzing NMR spectra, match each of the following 'H-NMR spectra to one of the five possible compounds (structures below). Assign the NMR peaks to their respective hydrogens. Possible compounds: CH2. (H3 diethyl malonate p-ethylanisole OH 3-methylbutanal 1-pentene 1-propanol 6.0 2.0 4.8 4.6 4.4 4.2 4.0 3.8 3.6 3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 ppm a. 1.80 1.70 1.60 1.50 1.40 1.30 3.0 ( 2.0 | 2.0 2.32...
Identify the peak in the 1H NMR spectrum corresponding to the
CH3 group, explain what coupling pattern it has and why it has that
pattern.
7.4741 7.3572 7.3393 -5.4109 4.2023 4.1906 -4.1725 4.1608 -3.5350 -3.5065 -3.4775 Spectrometer: 400 MHZ Solvent: CDCI T 4.4 4.3 4.2 4.1 4.0 3.9 3.8 3.7 3.6 3.5 3.4 3.3 <3.2368 CDCI, x = peak from minor byproduct do 1.00-1 F-602 3.1444 Feer to 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0...
C NMR data provided when possible, show part Determine the structure of CHO from the IR, NR and structures that correspond to individual NMR resonances 1800 1600 2000 1400 1200 1000 000 3600 3400 3200 3000 2800 2600 2400 2200 1.10 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 normal decoupled 18C DEPT-135: (+) indicates positive peak (-) indicates negative peak indicates no peak DEPT-90 peaks indicated by Proposed Structure 200 180 160 140 120 100 80...
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