Assign all peaks (or groups of peaks) in the following spectra.
6) the compound is CH3CH2OH
The CH3 is the triplet at 1.2 ppm
-CH2 as the quartet at 3.8 ppm and
-OH as the doublet at 2.2 ppm
7) the compound is CH3-O-CH3
both the methyl groups as a singlet at 3.2ppm
Assign all peaks (or groups of peaks) in the following spectra. 6. Propose a structure for...
1H NMR 6. Propose a structure for the compound CzH.O with the following 'H NMR spectral data. 2H 1H 3H 1110 H ppm 7. Propose a structure for the compound C2H60, with the following 'H NMR spectral data. (Note this is the same molecular formula as the previous question) ppm 8. Propose a structure for the compound C,He with the following 'H NMR spectral data. SH2H 1H ppm 9. Propose a structure for the compound CxHyN with the following 'H...
Assign all peaks (or groups of peaks) in the following spectra. 13. Propose a structure for the compound C.H.NO, with the following 'H NMR. 13C NMR and IR spectral data. 6H зн 200 150 160 160 120 0 0 0 20 0 100 am
What is the structure? Assign all peaks or groups of peaks if possible. 14.Propose a structure for the compound C13H100, with the following TH NMR and 13C NMR spectral data. wp-5-36 ppm 200180.160.110 120 100 36 20 12.Propose a structure for the compound C4H8, with the following 'H NMR spectral data. 2H 6H
11. Propose a structure for the compound Ca He O2, with the following 'H NMR spectral data. 1H 4H 3H 12.Propose a structure for the compound C.He with the following 'H NMR spectral data. 2H 6H
Identify all major functional groups in the IR spectra Identify all peaks in 1H- and isC-NMR spectra. Identify the molecular mass of the unknown from the mass spectrum Determine the pattern of fragmentation from the mass spectrum Generate a molecular formula Determine the Index of Hydrogen Deficiency Determine the structure of the unknown compound.
10. (8 points) For each of the following molecules predict the "C and 'H NMR spectra. For the "C NMR predict the number of peaks and the shift. For the 'H NMR you will need to predict the shift, multiplicity, and integration of the peaks. CH3 HC не ең, H₃C =O % b-CH3 11. (6 points) Propose a structure for a compound with the chemical formula C.H.Cl, that fits the following 1H NMR data 2.18 8 (3H, singlet) 4.16 8...
(g). Propose a structure with molecular formula CaHiNO, and has the following proton NMR spectral data: a quartet (2H), two singlets (2H and 6H) and a triplet (3H); the IR spectrum has bands in the regions 2 210 2270 and at 1 720 cm (g). Propose a structure with molecular formula CaHiNO, and has the following proton NMR spectral data: a quartet (2H), two singlets (2H and 6H) and a triplet (3H); the IR spectrum has bands in the regions...
Need help finding the structure and distinguishing peaks. 3. The IR and 'H NMR spectra of CH4O2 are shown below. Propose a structure for this compound that is consistent with the spectral data. Draw your final structure in the box provided. 2H Final Structure
5. (10 pts) Compound A, C10H1002, shows the following IR and NMR spectra. Propose an acceptable structure. 3000 1690 ose 3H, s 3H 2H 1H, 1H 14 12 10 8 6 2 0
C09T0508213 A compound has the molecular formula of CH3O. It exhibits 6 peaks in its 'H NMR spectrum. These peaks are (in 6): 5.8 (1H, m), 5.1 (1H, m), 3.7 (2H, t), 2.8 (1H, br s). 23 (2H, m). Which of the following compounds is consistent with this data? Оме H OH OH H CO9T0507896 An unknown compound has the following IR and NMR spectral data. Give a structure for the compound. IR (cm): 3500-2600 (broad), 1710, 1500, 900, 730,690...