Propose a reasonable structure for the following IR and NMR: CH140 48 зн] Зн 2H 4H...
Draw and name the molecule for the following 3 H-NMR. С5Н100 зн| 2н ЗНІ 2H 3.0 2.В 25 24 25 26 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 РРИ
Instructions: For each of the following compounds: (a) Calculate the DoU for each compound; (b) use the IR spectra to interpret all pertinent stretching frequencies as well as the absence of peaks to give possible formulas of the compound and (c) confirm the structure of each compound using the NMR spectrum. Compound 2. Formula: C,H,40 1е0 80 60- 40 20- 1500 1800 2800 3508 2500 4800 3000 зн 2H 3H 4H TTTTTTTTTT T" 2.8 TI 1.0 0.8 2.0 1.6 1.4...
To give you more practice with analyzing NMR spectra, match each of the following 'H-NMR spectra to one of the five possible compounds (structures below). Assign the NMR peaks to their respective hydrogens. Possible compounds: CH2. (H3 diethyl malonate p-ethylanisole OH 3-methylbutanal 1-pentene 1-propanol 6.0 2.0 4.8 4.6 4.4 4.2 4.0 3.8 3.6 3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 ppm a. 1.80 1.70 1.60 1.50 1.40 1.30 3.0 ( 2.0 | 2.0 2.32...
Label NMR spectra. Label Functional groups: Esters- ethyl acetate # of unique H environment local chemical environment # of H in each environment # of neighboring protons 'H NMR Spectrum in CDCI; -2.289 L2.195 TTTTTTTTTTTTTTTTTTTTTTTTT 2.8 2.6 2.4 2.2 2.0 1.6 1.6 1.4 1.2 1.6 0.8 0.6 0.4 ppm 26.07 38.09 35.84 -0.806 -0.830 0.781 -.4 1.2 1.0 0.8 0.6 0.4 ppm 35.84 2.243 2.219 - -2.269 22.195 2.6 4 .4 2.2 2.0 1.8 1.6 26.07 1.4 38.09
Draw and name the molecule for the following 3 H-NMR. CsH100 3.0 2.8 2.6 " 1.4 1.2 1.6 0.8 0.6 PPM C4H8O2 зн 1.0 PPM 0.5 C3H6O2 H
Draw the structure of compound 2 and label how it lines up with the peaks from the NMR Compound 2 зн 1H 2H 4H 2H 2H 2 PPM Compound 2 зн 1H 2H 4H 2H 2H 2 PPM
determine 1) the maximum stress in the bar if P=9kN. 3.0 3.2 2.8 WW 2.6 3.0 N W 2.4 N hi 2.8 2.2 svg (w - 21) K - 4.0 K 2.0 2.6 3.01 2.0 1.8 w IS 2.4 1.6 w h 1.2- 1.1 1.4 2.2 LATIN . 1.2 2.0 1.0 0 0.1 0.6 0.7 0.8 0.9 1.0 0.5 0.2 0.3 2r 0 0.4 0.5 0.1 0.2 0.3 0.4 h 3.2 mm 48 mm 32 mm Р P r =...
Propose a reasonable structure for this compound based on the mass spec, IR, and NMR data. 100 Relative Intensity M+ 10 20 30 40 60 70 80 90 50 m/z LUU TRINETTRICET 4000 3000 2000 cm1 1500 1000 500 ЗН Зн 2H тттттттттттттттттт 11 10 9 8 7 6 5 4 ppm 200 180 160 140 120 80 60 40 20 100 ppm
hnmr spectroscopy Analyze the spectrums and determine the structures Please help. I’m really confused with how some of the structures might be. 2) C,HuO 3H fer 4H 0.8 PPM 0. 1.0 1.4 1.2 2.2 1.0 1. 2.0 2.8 2.4 2.0 40 z00a 4000 3000 252e 1500 1720 2202 4) CHo 6H 1H Methylee protos adjacent to chiral centers may not be 1H 1H equlvalent 1.0 PPM 3.0 2.0 0.5 3:5 2.5 1.5 42 28 158e 4000 3500 2500 200 C-...
Which of the following generally produce signals between 10 - 50 ppm in 13C NMR spectroscopy? sp3-hybridized carbon atoms (methyl, methylene, and methine groups) O sp-hybridized carbon atoms as well as sp3-hybridized carbon atoms that are deshielded by electronegative atoms sp2-hybridized carbon atoms O carbon atoms of carbonyl groups Give the number of different kinds of protons the compound that shows the H NMR spectrum shown below: Proton NMR ul ilu 3.0 2.8 2.6 2.4 2.2 2.0 1.8 1.6 1.4...