Bellow is the 13C NMR spectra including the integrations of the compound. Show the structure of each (remember from the integration that S singlet, d doublet, t triplet …. So on)
Draw the compound structure for each spectrum and show every line belong to which carbon in the molecule
Example:
Problem (3) molecular formula is: C6H8O (cyclic compound)
Homework Answers
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Bellow is the 13C NMR spectra including the integrations of the
compound. Show the structure of...
The H-NMR spectrum of an unknown compound (formula CaHgO2) is shown below. Draw the structure of...
The H-NMR spectrum of an unknown compound (formula CaHgO2) is shown below. Draw the structure of the unknown compound. Question 5 4 1 6 5 8 10 11 Ppm The 13C-NMR spectrum of an unknown compound (formula CgH180) is shown below. Its 1H-NMR spectrum only shows one singlet at 1.2 ppm. Draw the structure of this unknown compound. uestion 2 220 200 160 140 120 PPM 100 80 240 180 60 40 20 Create OscerSketch Answer 2 What would be...
9. Use the NMR data and chemical formula to determine the structure of the molecule. a) Formula: C5H100 TH NMR 13C...
9. Use the NMR data and chemical formula to determine the structure of the molecule. a) Formula: C5H100 TH NMR 13C NMR triplet quartet 200 180 160 140 30 60 40 20 0 120 100 Am b) Formula: C3H100 TH NMR 13C NMR singlet singlet doublet doublet 2 2 3 3 8 2 00 180 160 140 120 100 30 60
for the following 2 compounds, please calculate, and show the calculations for, the degree of unsaturation, assign the IR spectrum peaks, assign the 13C NMR peaks, assign the 1H NMR peaks, and draw th...
for the following 2 compounds, please calculate, and
show the calculations for, the degree of unsaturation, assign the
IR spectrum peaks, assign the 13C NMR peaks, assign the 1H NMR
peaks, and draw the structure for the unknown compound.
CHIM 245 Spectroscopy Problem Set #2 In this problem set there are two unknown compounds. You are provided with the formula, IR spectrum, "C NMR spectrum, and 'H NMR spectrum for each compound. Each unknown is worth 10 points, with an...
The 1H-NMR and 13C-NMR spectra of an unknown compound (formula C8H10) are shown below. Draw the structure of the unknown...
The 1H-NMR and 13C-NMR spectra of an unknown compound (formula
C8H10) are shown below. Draw the structure of the unknown compound.
The total integration of the peaks at around 7 ppm is 4. The
integration of the peak at around 2 ppm is 6.
7 6 5 4 3 ppm TTTTTTTTTTTTTTTT 200 180 160 140 120 100 80 60 40 20 0 pom CH3 Create OscerSketch Answer 8 Incorrect: Answer has an incorrect structure.
4. and 5. A compound with the molecular formula C:0H12O; displays the following 'Hand SC NMR...
4. and 5. A compound with the molecular formula C:0H12O; displays the following 'Hand SC NMR data. Propose a structure for this compound and label the peaks in the NMR spectra as to how they correspond to your structure. integration 3 multiplicity - triplet integrations Integration 2 multiplicity Quartet each of these peaks has integration : 2 múltiplicity'- triplet s 2 peaks at 128 ppm TTTTTTTT 200 180 160 140 120 CD-10-063 80 60 40 20 0 100 Apm
Create OscerSkotch Answer 6 Th e 1H-NMR and 13C-NMR spectra of an unknown compound s (formula...
Create OscerSkotch Answer 6 Th e 1H-NMR and 13C-NMR spectra of an unknown compound s (formula CoMzo) are shown below. Draw the structure of B. The total integration of the peaks at around 7 ppm is 4. The integration of the peak at around 2 ppm is 6 ppm 200 180 160 140 120 100 060 4020
This compound has the molecular formula CsHino. It is IR 'Hand 13C NMR spectra are show...
This compound has the molecular formula CsHino. It is IR 'Hand 13C NMR spectra are show below 1. Write the functional group for every number in the IR, 2. calculate the integration for every peak in the 'H NMR 3. Write the kind of proton for every number in the proton NMR 4. Write the kind of carbon for every number in the 13C NMR. 5. Determine the structure, and show how it consistent with the observed absorptions. 100) 993...
4. Consider the following two diastercomers: Both compounds generate 'H NMR spectra with the following signals:...
4. Consider the following two diastercomers: Both compounds generate 'H NMR spectra with the following signals: A multiplet between 7.20-7.63 ppm with an integration of 5H Two separate doublets between 5.70-6.50 ppm, each with an integration of 1H A singlet around 1.30 ppm with an integration of 9H Despite the similarities, how could you differentiate between the H NMR spectra of these isomers? 5. Assign each set of protons to their appropriate signals in the 'H NMR spectrum shown below....
Compound 2: Use the information provided below and the IR and NMR spectra on the next...
Compound 2: Use the information provided below and the IR and NMR spectra on the next page to answer the following questions. a) An MS was taken of compound 2 and the table is given below. Determine the molecular formula of 2 from the MS given below relative abundance m/z 132 100 133 9.8 b) Calculate the Index of Hydrogen Deficiency/Degree of Unsaturation for the molecule. c) Using the IR spectrum and the 1H- and 13C-NMR spectra given below, determine...
A compound with molecular formula C11H140 displays the following IR, H NMR and 13C NMR spectra....
A compound with molecular formula C11H140 displays the following IR, H NMR and 13C NMR spectra. Propose a structure for this compound 180 20.200 160 0 120 100 06 60 40 20 PPM
The H-NMR spectrum of an unknown compound (formula CaHgO2) is shown below. Draw the structure of the unknown compound. Question 5 4 1 6 5 8 10 11 Ppm The 13C-NMR spectrum of an unknown compound (formula CgH180) is shown below. Its 1H-NMR spectrum only shows one singlet at 1.2 ppm. Draw the structure of this unknown compound. uestion 2 220 200 160 140 120 PPM 100 80 240 180 60 40 20 Create OscerSketch Answer 2 What would be...
9. Use the NMR data and chemical formula to determine the structure of the molecule. a) Formula: C5H100 TH NMR 13C NMR triplet quartet 200 180 160 140 30 60 40 20 0 120 100 Am b) Formula: C3H100 TH NMR 13C NMR singlet singlet doublet doublet 2 2 3 3 8 2 00 180 160 140 120 100 30 60
for the following 2 compounds, please calculate, and
show the calculations for, the degree of unsaturation, assign the
IR spectrum peaks, assign the 13C NMR peaks, assign the 1H NMR
peaks, and draw the structure for the unknown compound.
CHIM 245 Spectroscopy Problem Set #2 In this problem set there are two unknown compounds. You are provided with the formula, IR spectrum, "C NMR spectrum, and 'H NMR spectrum for each compound. Each unknown is worth 10 points, with an...
The 1H-NMR and 13C-NMR spectra of an unknown compound (formula
C8H10) are shown below. Draw the structure of the unknown compound.
The total integration of the peaks at around 7 ppm is 4. The
integration of the peak at around 2 ppm is 6.
7 6 5 4 3 ppm TTTTTTTTTTTTTTTT 200 180 160 140 120 100 80 60 40 20 0 pom CH3 Create OscerSketch Answer 8 Incorrect: Answer has an incorrect structure.
4. and 5. A compound with the molecular formula C:0H12O; displays the following 'Hand SC NMR data. Propose a structure for this compound and label the peaks in the NMR spectra as to how they correspond to your structure. integration 3 multiplicity - triplet integrations Integration 2 multiplicity Quartet each of these peaks has integration : 2 múltiplicity'- triplet s 2 peaks at 128 ppm TTTTTTTT 200 180 160 140 120 CD-10-063 80 60 40 20 0 100 Apm
Create OscerSkotch Answer 6 Th e 1H-NMR and 13C-NMR spectra of an unknown compound s (formula CoMzo) are shown below. Draw the structure of B. The total integration of the peaks at around 7 ppm is 4. The integration of the peak at around 2 ppm is 6 ppm 200 180 160 140 120 100 060 4020
This compound has the molecular formula CsHino. It is IR 'Hand 13C NMR spectra are show below 1. Write the functional group for every number in the IR, 2. calculate the integration for every peak in the 'H NMR 3. Write the kind of proton for every number in the proton NMR 4. Write the kind of carbon for every number in the 13C NMR. 5. Determine the structure, and show how it consistent with the observed absorptions. 100) 993...
4. Consider the following two diastercomers: Both compounds generate 'H NMR spectra with the following signals: A multiplet between 7.20-7.63 ppm with an integration of 5H Two separate doublets between 5.70-6.50 ppm, each with an integration of 1H A singlet around 1.30 ppm with an integration of 9H Despite the similarities, how could you differentiate between the H NMR spectra of these isomers? 5. Assign each set of protons to their appropriate signals in the 'H NMR spectrum shown below....
Compound 2: Use the information provided below and the IR and NMR spectra on the next page to answer the following questions. a) An MS was taken of compound 2 and the table is given below. Determine the molecular formula of 2 from the MS given below relative abundance m/z 132 100 133 9.8 b) Calculate the Index of Hydrogen Deficiency/Degree of Unsaturation for the molecule. c) Using the IR spectrum and the 1H- and 13C-NMR spectra given below, determine...
A compound with molecular formula C11H140 displays the following IR, H NMR and 13C NMR spectra. Propose a structure for this compound 180 20.200 160 0 120 100 06 60 40 20 PPM
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