Analyze the ENMR Spectra. Draw the structure os your com pound and aa sigaals Explain Based...
Determine the molecular structure for the following two compounds based on the spectra presented. Explain your identification, using the significant portions of the IR spectrum and an peaks of the NMR spectrum. Attach extra paper as needed. Compound 1: C_8H_14O_3
Determine the structure of the molecule with formula CeH,OCI from the following spectra and explain your reasoning: 3. 875 1773 1738 IR Spectrum (liquid film) 800 2000 ,1600 1200 V (em1) 3000 4000 13C NMR Spectrum 100.0 MHz, CDA, solutanj 132 13t ppm preien decoupled r82 131 Dpmsolent 160 200 120 80 40 δ(ppm) 0 H NMR Spectrum (ad0 MH2. COc soution) exparslon 80 7.5 7.0 ppm TMS 10 9 87 654 3 2 1 δ (ppm)
M+1, 4.5%
8. Determine a structure based on the following spectra. Explain your evidence.
190.0 isoa 170.0 i600 tsoo 140.0 130.0 120.0 1100 100.0 90.0 80.0 700 600 50.0 40.0 30.0 20.0 10.0 X: parts per Million : 13C | Analyze the 13C NMR spectra. Draw the structure of your compound and assign ALL signals. Explain. based on your NMR analysis, which was your unknown starting material the produet prodcr clohepten
ASSIGNMENT 2 8. Determine a structure based on the following spectra. Explain your evidence. 29 (99%) 57 (100%) 27 (37%) (12) 98 18(1.8%) (% (697)0€ + ) LE (%90) 89 (%€ 0) 699 15. 30. 45. 60. 75.
Draw a skeletal structure of the compound based upon the given
information
Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are listed for all examples. IR peaks listed are strong (s) unless otherwise indicated for signals above 1500 cm 'H NMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (J-values) are listed next to the peaks for some examples. For some spectra, an...
10. Briefly explain how the 13C-NMR data was used to determine (or confirm your proposed structure. 11. In both of the boxes below, draw the bond-line structure with appropriate bond angles) of your unknown. On the structure on the left, indicate with a label (peak #from table above) and arrow the source of each signal. On the structure of the right, indicate with a label (13C-NMR ppm) and arrow the source of each signal. Chapter 5: INTEGRATED SPECTROSCOPY PROBLEMS 139...
Draw the correct structure for C8H8 by analyzing the spectra
below. Label the spectrum and explain your answer.
100 95 90 85 80 75 70 65 60 55 50 45 4000 3500 3000 2500 1500 1000 2000 500 Wavenumbers (cm-1) %Transmittance 2973.42 2940.13 2826.86 1469.79 1386.26 1363.07 1262.57 1020.89 850.92 724.39 459.11 4.5 3.5 3.0 4.0 2.5 2.0 0.5 ppm 1.5 1.0 00 3.04
Identify the following compounds based on their spectroscopic data (draw the structure). Explain briefly how you arrived at your answer. That is, show how you have interpreted the data provided CH13N 'H NMR: 8 1.0 ppm, 1, 3H 1.2 ppm, s, 2H (exchanges with D:0) 1.9 ppm, quintet, 2H 3.9 ppm, t, 1H 7.2 ppm, broad multiplet, 5H write the HDI value in the box below Enter your answer here
The following 1H NMR spectrum is for a compound with the chemical formula CaH7Br. Propose a reasonable structure for the compound based on chemical shift and signal multiplicity in the given spectrum, and briefly explain your structure assignment.