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.
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...
(1) Determine the Degree of unsaturation (2) Completely assign all relevant peaks in the IR spectrum (3) Completely assign all peaks in the 13C NMR spectrum (4) Completely assign all peaks in the 1H NMR spectrum (5) Provide the structures (not the molecular formulas) of the ions: 102 and 120 in the mass spectrum (6) Provide the correct structure for this molecule. Problem 116 IR Spectrum nuomut 4000 1600 1200 So CHON 40 80 120 160 13C NMR Spectrum (500...
(1) Determine the Degree of unsaturation (2) Completely assign all relevant peaks in the IR spectrum (3) Completely assign all peaks in the 13C NMR spectrum (4) Completely assign all peaks in the 1H NMR spectrum (5) Provide the structures (not the molecular formulas) of the ions: 102 and 120 in the mass spectrum (6) Provide the correct structure for this molecule. Problem 116 IR Spectrum nuomut 4000 1600 1200 So CHON 40 80 120 160 13C NMR Spectrum (500...
predict the IR spectrum and HNMR of 2-bromocyclohexanone
peaks in the NMR spectrum and record the chemical shift, the splitting, an peak in the NMR table below. 1H NMR Data Peak Chemical Shift (6) Multiplicity н Peak Structure: 1 1 5 Br 6 N 3 7 4 8 + Specify the number of hydrogens associated with each peak. 11. Draw the major organic product for each of the following reactions. a. o
The 1H NMR for 2,3-dibromobutane has a doublet at 1.8 ppm and a quartet at 4.5 ppm. Draw the compound and assign the peaks in the spectrum to their respective protons.
A compound of unknown structure gave the following
spectroscopic data:
Mass spectrum: M+ = 88.1
IR: 3600cm-1
1H NMR: 1.4 (2H, quartet, J=7Hz); 1.2 (6H, singlet); 1.0 (1H,
singlet); 0.9 (3H, triplet, J=7Hz)
13C NMR: 74, 35, 27, 25
a. assuming that the compound contains C and H but may or may not
contain O, give three possible molecular formulas.
b. how many protons (H) does the compound contain?
c. what functional group(s) does the compound contain?
d. how many...
2. Use the 'H NMR and IR data to determine the structure of the following compounds and name them. Compound A Molecular formula: CroH IR absorptions at N/A H NMR data: 1.3 (singlet, 9H), 7.0 to 7.5 (multiplet, 5H) ppm Compound B Molecular formula: CHO IR absorptions at 1H NMR data: 1735-1745, 1050 cm 0.93 (doublet, 6H), 1.52 (multiplet, 2H), 1.69 (multiplet, 1H), 2.04 (singlet, 3H), and 4.10 (triplet,2H) ppm Compound C Molecular ion: IR absorptions at 1710 cm 1H...
Uknown IR:
Uknown NMR:
For each problem, you must: 1) Calculate the degree of unsaturation. 2) Assign the principal IR absorption bands above 1500 cm 3) Draw the structure of the compound Label the protons on your structure with letters and assign them to peaks on the NMR spectrum (see the example below). OH 1H 3H 2H 2H 0.5 4.0 3.0 1.0 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...
all three numbers please
6. To collect an IR spectrum of your product, click on the FTIR spectrometer located to the right of the lab bench and drag the salt plate icon to the flask on the lab bench. A window containing the FTIR spectrum for your product should now open. Identify the relevant absorptions in the IR spectrum and the functional group or bond that each corresponds to. Infrared Spectroscopy Data 1. S. 2 6. 3. 7. 4 8....
Use the mass spectrum and either the NMR spectrum or the IR
spectrum to deduce the structure of the following compound
(c) C8HO3H NMR, 300 MHz, 6.1 ppm (singlet, 2H), 6.9 ppm (doublet, 1H), and 7.3 ppm (singlet, 1H), 7.4 ppm (doublet, 1H), 9.8 ppm (singlet, 1H); significant IR absorbances at 1687, 1602, 1449, 1264, 1038, 929, and 815 cm1. 100 149 (150) 80 60 40 121 63 20 65 91 0 15 20 25 30 35 40 45 50...