Homework Answers
The IR data indicating that there are a keto group and ester group (1650-1720 cm-1 ) are present.
From the 1HNMR data, we conclude the following structure as the correct structure for the given data.
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Determine the molecular structure for the following two compounds based on the spectra presented. Explain your...
Based on the IR and NMR spectra, determine the structure of each of the following compounds...
Based on the IR and NMR spectra, determine the structure of each of the following compounds A) The compound with the formula CHN Based on the IR and NMR spectra, determine the structure of each of the following compounds A) The compound with the formula CHN LLLLLLL B) The compound with the formula C,H03 11 10 We were unable to transcribe this imageD) The compound with the formula C, H, NO4 Te 200 180 160 E) The compound with the...
A compound with molecular formula C H160 displays the following IR and 'H-NMR spectra. The 13C...
A compound with molecular formula C H160 displays the following IR and 'H-NMR spectra. The 13C NMR data suggest that there is some symmetry within the molecule. a) Calculate the degrees of unsaturation (DU) for the compound in the space provided below. DU = b) Identify and label the two indicated peaks in the IR spectrum in the boxes provided. Identify and label ALL peaks in the 'H NMR spectrum below. The numbers given on the 'H NMR are integration...
Hints for identifying compounds in multiple-choice problems (problems 1:5); 1. Closely compare the given compounds. Determine...
Hints for identifying compounds in multiple-choice problems (problems 1:5); 1. Closely compare the given compounds. Determine which piece of information (molecular weight from MS, number of peaks in the NMR, presence of a special functional group in the IR, etc) would be the easiest for distinguishing between the given compounds. You might not need to use all types of given spectra to find your correct compound! 2. Based on your answer from step 1, consult the appropriate spectrum first. For...
A compound with molecular formula C7H160 displays the following IR and 'H-NMR spectra. The 13C NMR...
A compound with molecular formula C7H160 displays the following IR and 'H-NMR spectra. The 13C NMR data suggest that there is some symmetry within the molecule. a) Calculate the degrees of unsaturation (DU) for the compound in the space provided below. DU = b) Identify and label the two indicated peaks in the IR spectrum in the boxes provided. Identify and label ALL peaks in the 'H NMR spectrum below. The numbers given on the 'H NMR are integration values...
A compound with molecular formula C7H160 displays the following IR and 'H-NMR spectra. The 13C NMR...
A compound with molecular formula C7H160 displays the following IR and 'H-NMR spectra. The 13C NMR data suggest that there is some symmetry within the molecule. a) Calculate the degrees of unsaturation (DU) for the compound in the space provided below. DU = b) Identify and label the two indicated peaks in the IR spectrum in the boxes provided. Identify and label ALL peaks in the 'H NMR spectrum below. The numbers given on the 'H NMR are integration values...
I) Mixed Spectra Problem - Using the following data and spectra, deduce the molecular structure of...
I) Mixed Spectra Problem - Using the following data and spectra, deduce the molecular structure of the unknown compound A. Draw your compound in the box provided at the beginning of the question. For the possibility of partial credit (in case your structure is incorrect), provide legible and relevant information you deduced on the following page. Mass Spectrum Data: m/z= 174 (M, 100 %) 175 (13.0%) 176 (1.1%) IR Spectrum: Compound A LOD TRANSMETTANCEIZI mm D 4000 3000 2000 1...
A compound with molecular formula C7H160 displays the following IR and 'H-NMR spectra. The 13C NMR data suggest that th...
A compound with molecular formula C7H160 displays the following IR and 'H-NMR spectra. The 13C NMR data suggest that there is some symmetry within the molecule. a) Calculate the degrees of unsaturation (DU) for the compound in the space provided below. DU = b) Identify and label the two indicated peaks in the IR spectrum in the boxes provided. Identify and label ALL peaks in the 'H NMR spectrum below. The numbers given on the 'H NMR are integration values...
STRUCTURE DETERMINATION PROBLEMS USING IR AND PROTON NMR SPECTROSCOPY Determine the structure of the six compounds...
STRUCTURE DETERMINATION PROBLEMS USING IR AND PROTON NMR
SPECTROSCOPY
Determine the structure of the six compounds whose IR and PMR
spectra are provided on the attached sheets, given the following
comments about the provided information and spectra.
PMR Spectra: The PMR spectrum of each compound is provided,
along with peak areas. The peak areas are given as the simples
whole number ratio of protons and are indicated (for exmpale, 4H).
Your final structure must be consistent with the chemical shift...
In the following situations determine the molecular structure of the compound. Show all your work and...
In the following situations determine the molecular structure
of the compound. Show all your work and reasoning. The compound has
a molecular formula C5H10O2. Based on the IR and NMR spectrum
illustrated below, propose a reasonable structure for the
compound
Ce зн зн 2H 0.5 PPM
wolned Spectra Problems it all together": mbined Spectra Problems The Combin friends, the moment has come......
wolned Spectra Problems it all together": mbined Spectra Problems The Combin friends, the moment has come... During the past two semesters, we have talked about infrared spectros- y (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...
Based on the IR and NMR spectra, determine the structure of each of the following compounds A) The compound with the formula CHN Based on the IR and NMR spectra, determine the structure of each of the following compounds A) The compound with the formula CHN LLLLLLL B) The compound with the formula C,H03 11 10 We were unable to transcribe this imageD) The compound with the formula C, H, NO4 Te 200 180 160 E) The compound with the...
A compound with molecular formula C H160 displays the following IR and 'H-NMR spectra. The 13C NMR data suggest that there is some symmetry within the molecule. a) Calculate the degrees of unsaturation (DU) for the compound in the space provided below. DU = b) Identify and label the two indicated peaks in the IR spectrum in the boxes provided. Identify and label ALL peaks in the 'H NMR spectrum below. The numbers given on the 'H NMR are integration...
Hints for identifying compounds in multiple-choice problems (problems 1:5); 1. Closely compare the given compounds. Determine which piece of information (molecular weight from MS, number of peaks in the NMR, presence of a special functional group in the IR, etc) would be the easiest for distinguishing between the given compounds. You might not need to use all types of given spectra to find your correct compound! 2. Based on your answer from step 1, consult the appropriate spectrum first. For...
A compound with molecular formula C7H160 displays the following IR and 'H-NMR spectra. The 13C NMR data suggest that there is some symmetry within the molecule. a) Calculate the degrees of unsaturation (DU) for the compound in the space provided below. DU = b) Identify and label the two indicated peaks in the IR spectrum in the boxes provided. Identify and label ALL peaks in the 'H NMR spectrum below. The numbers given on the 'H NMR are integration values...
A compound with molecular formula C7H160 displays the following IR and 'H-NMR spectra. The 13C NMR data suggest that there is some symmetry within the molecule. a) Calculate the degrees of unsaturation (DU) for the compound in the space provided below. DU = b) Identify and label the two indicated peaks in the IR spectrum in the boxes provided. Identify and label ALL peaks in the 'H NMR spectrum below. The numbers given on the 'H NMR are integration values...
I) Mixed Spectra Problem - Using the following data and spectra, deduce the molecular structure of the unknown compound A. Draw your compound in the box provided at the beginning of the question. For the possibility of partial credit (in case your structure is incorrect), provide legible and relevant information you deduced on the following page. Mass Spectrum Data: m/z= 174 (M, 100 %) 175 (13.0%) 176 (1.1%) IR Spectrum: Compound A LOD TRANSMETTANCEIZI mm D 4000 3000 2000 1...
A compound with molecular formula C7H160 displays the following IR and 'H-NMR spectra. The 13C NMR data suggest that there is some symmetry within the molecule. a) Calculate the degrees of unsaturation (DU) for the compound in the space provided below. DU = b) Identify and label the two indicated peaks in the IR spectrum in the boxes provided. Identify and label ALL peaks in the 'H NMR spectrum below. The numbers given on the 'H NMR are integration values...
STRUCTURE DETERMINATION PROBLEMS USING IR AND PROTON NMR
SPECTROSCOPY
Determine the structure of the six compounds whose IR and PMR
spectra are provided on the attached sheets, given the following
comments about the provided information and spectra.
PMR Spectra: The PMR spectrum of each compound is provided,
along with peak areas. The peak areas are given as the simples
whole number ratio of protons and are indicated (for exmpale, 4H).
Your final structure must be consistent with the chemical shift...
In the following situations determine the molecular structure
of the compound. Show all your work and reasoning. The compound has
a molecular formula C5H10O2. Based on the IR and NMR spectrum
illustrated below, propose a reasonable structure for the
compound
Ce зн зн 2H 0.5 PPM
wolned Spectra Problems it all together": mbined Spectra Problems The Combin friends, the moment has come... During the past two semesters, we have talked about infrared spectros- y (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...
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