Can you help to figure out the formula and the structure ? 50) 4. Determine the...
10) Determine the structure of an unknown compound with a molecular formula of CuHz03. IR and NMRS are shown below: (10 points) 100 B0 mm 60 40 20 000 4000 RUM 2000 1500 Wavnumber 1000 3H 3H 2H2H 2H B 3 2 PPM 200 180 160 140 120 100 PPM 20 Draw a structure consistent with the above data and map the proton NMR signals to the structure you have drawn.
Molecule C: Molecule D: Can someone PLEASE EXPLAIN the answers?????? 2. Below are the 'H and 13C NMR spectra for four isomers of C&H:02. Provide the structure that produced each set of spectra. Molecule A: 'H NMR 3H 3H no coupling, so no adjacent carbons with hydrogen atoms 2H 5 3 2 0 PPM 13C NMR aldehyde or ketone no aldehyde in 1H NMR, SO ketone 220 200 180 160 140 120 100 PPM 80 60 40 20 0 Molecule...
Draw the structure in the box 40) 7. Based on the spectral data shown, determine the structure of this compound. eo 60 20 1000 1500 200 po00 2000 40 20 140 160 40 120 180 60 100 m/z SH 2H Two 2H triplets Actually 3 peaks 140 160 12o 100
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
16. Propose a structure for a molecule of formula CaHsCl which gave the following 1H NMR spectrum. PPM 17. Propose a structure for a molecule whose mass spectrum shows a parent ion at m/z 148, an IR peak at 1680 cm'and gives the following H and 13C NMR spectra 3H зн 2H 2H 2H 3 5 2 7 6 4 PPM 160 140 180 60 220 200 20 0 120 100 80 40 PPM -
Instructions: Write the structure of each molecular formula using the IR and Mass Spec spectra. Important that you justify with at least two arguments in each spectrum for which you present that structure. CH 3500 3000 1500 1000 2500 2000 Wavenumber(cm-1) 20 30 40 50 60 70 80 90 100 110 120 CHBr 100 Transmittance 3500 3000 2500 2000 Wavenumber(cm-1) 1500 1000 119 135 100 110 120 130 140 150 160 170 180 190 10 20 30 40 50 60...
What is the molecular formula and structure? Use the mass, infrared, proton NMR, and carbon NMR. I have a structure and formula completed, but I wanted to confirm. TRANSMETTANCE 41 50 4000 3000 2000 DOST 1000 HAVENUHBERI-1 Mass of molecular ion: 116 100 80- Relative Intensity 40 20- TI Other 10 20 ITHTHIS 30 40 fittihristutt tartott 50 60 70 80 m/z T 110 TITT 120 90 100 200 180 160 140 TTTTTT 120 100 80 60 40 20 ppm...
14. (3 pts) The following molecule has a molecular formula of C3H5N304. Determine the index of hydrogen deficiency (IHD) for the compound. Using the molecular formula, IHD, IR, 1H NMR, and 13C NMR, determine the structure for the compound. Hint: this molecule is part of the practical (product, reagent, solvent, etc). IR: 100 4000 3000 2000 1500 1000 NMR: 13C NMR: 1 T 16 14 12 10 8 6 4 2 200 180 160 140 120 100 80 60 40...
Using these spectra, identify the unknown compound and its structure. Explain your analysis of each spectrum. /H d 3H 3H 12 11 10 1 4 2 0 ppm 40 60 100 80 120 140 160 180 200 ppm -20 -O 100- 80- M 20 M 0mttT 10 20 30 40 50 100 120 60 70 80 90 110 m/z L00 50 1000 200 3000 AVENUMEERI-i 4000 44 620 962 1288 31 62 1778 13 596 84 3664 923 1270 74...
2. Consider the protons labeled H., H., H., of the compound shown below. Each of these protons are chemically different and are split by at least one other type of proton. coupling constants are shown below. HA HOHC C= "Hc JAB = 15.1 Hz JBC = 6.4 Hz Draw the splitting tree for each proton, H., Ho, and H. 3. Propose a structure for the following compounds piven the spectra and molecula formula. Briefly describe how each spectrum supports your...