9. SPECTROSCOPY NMR Use the following information to determine the structure of the compound with molecular...
6. Spectroscopy. The molecular formula of an unknown organic compound is C8H1402. The IR, 1C-NMR and 'H-NMR spectra of this compound are shown on the next page. Answer the following questions about this compound. (a) What is the unsaturation number for this compound? (b) What functional group(s) does this compound contain? Indicate the specific evidence for your conclusion. (c) What can you conclude from the number of 13C-NMR signals? (d) What can you conclude from the H-NMR signal at 2.3...
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...
Name: IR Spectroscopy Post Lab Questions TA Name: Section: FRIDAY SECTIONS ONLY: Draw the structure that gives the NMR below, The compound has the molecular formula, CH14O. Signal at 2.56 (septet, 1H), 2.40 (triplet, 2H), 1.80 (sextet, 2H), 1.04 (doublet, 6H) and 0.93 (triplet 3H). IR shows strong band at 1710 cm1 (in addition to others). Make sure to indicate (label) which hydrogen gives which signal. 2 PPM 3
evaluate if the compound is cyclopentene or cyclihexyl bromide. label each part C IR 100 D j000 530 3000 00 VENUREI- Mass Spec. 100 80- 60 40 20 0 175 100 125 150 75 50 25 m/z Relative Intensity H-NMR quintet, 1H multiplet, 2H multiplet, 6H multiplet, 2H 0 PPM "C-NMR 30 10 40 0 20 PPM 50
ty to whoever helps :,) 2. Determine the structure of a compound with molecular formula CHO and the following spectral data daudet Ho- 11 10 -o-H 1H NMR - - pom 200 180 160 340 120 100 ppm 80 60 40 20 13C NMR IR LY 2. Determine the structure of a compound with molecular formula C H200 and the following spectral data, doublet doublet 2H Sunglet 10 Ć -a 9 8 7 multis 11 10 - ppm
Please give the structure based on the NMR spectra depicted. Compound G: Molecular formula = C9H12. Key Infrared signal: 3082, 749, 699 cm 5H, m 3H, t 2H, sextet 2H, t 10 Heoe-ese Pprn Draw your final in this box. Compound H: Molecular formula C$H10O. Infrared signal: 2874, 2719, 1726 cm 3H, t 9-10 2H, 2H, t udd sextet 1H, singlet 2H, pentet 1.5 2.0 1.0 PPM 3.0 t0 5 10.0 9 9.0 8.5 8.0 7.5 7.0 6.5 PPM Draw...
MASS SPECTRUM 100 80- m/z 150 60 40 0.2 20. 00 1000 4500 2500 2000 150) 000 3500 3000 0.0+ 0.0 Wavenurbers (cm-1) on 160 40 120 13C NMR 2 peaks overlapping 100 20 40 120 60 80 PPM 140 6H H NMR 2H 2H 2H 1H 1H 2 7 5 8 PPM 1. Using the spectra on the next page, solve for the structure of an unknown organic compound. Fòi full credit (and consideration for partial credit) show your...
For the following questions draw the structure of the compound based off of the molecular formula and NMR that is given. 3) For the following questions draw the structure of the compound based off of the molecular formula and NMR that is given. a) CsHjo Draw the structure of the compound 10 H CHIO PPM b) CxH100 Draw the structure of the compound. CH400 0,2H ,2H PPM c) C6H1202 (IR stretch: C=0 stretch at 1737 cm') Draw the structure of...
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...
Draw the structure that gives the NMR below. The compound has the molecular formula, CsH1002. Signal at 4.38 (broad singlet, 1H), 3.49 (triplet, 2H), 2.40 (triplet, 2H), 2.10 (singlet, 3H), and 1.86 (pentet, 2H). IR shows a broad band at 3350 cm and a strong band at 1710 cm (in addition to others). Make sure to indicate (label) which hydrogen gives which signal. PPM