5. Draw a structure for and name a compound that is consistent with compound that is...
Draw a structure that is consistent with the MS, IR, and NMR spectra in Figures 1-3. abundance اسلام سال M 73 10' 20' 30' 40'50' 60' 70' 80' 90 '100' 110' 120 130 140 150 160 m/z 25 3.5 4 4.5 wavelength (mm) 5 5.5 6 7 8 9 10 11 12 13 14 15 16 ECZO-EESZOW 4000 3500 3000 2500 1400 1200 1000 800 600 2000 1800 1600 wavenumber (cm) wavenumber (cm" 100 80 200 180 160 140 120...
The simulated APT spectrum of a compound with the molecular formula C5H10 is shown below. Draw a structure that is consistent with this data. 1 150 140 130 120 140 100 90 80 70 60 50 40 30 20 10 6
Identify which of these four mass spectra indicate the presence of sulfur, chlorine, bromine, iodine, or nitrogen. Suggest a molecular formula for each. 100 abundance 8 $ 38 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 mily abundance 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 z 8 8 8 abundance $ 8 LL 10 20 30 40 50 60 70 80 90 100 110...
The mass spectrum of 2,6-dimethylheptan-4-ol is shown in appendix A. a) Draw the structure of this compound. b) Propose structures for the fragments at m/z 87, 111 and 126. 100 80 60 abundance 40 87 20 111 126 0 10 III 100'110' 120' 130 140 150 160 20 30 40 50 60 70 80 90 m/z.
the compound. Trspectaldaa toanswer the following questions and deduce the structure of compound has molecular formula C1zH sCIO. 6H CDCI 2H 2H 2H 2H 1H TMS Expansion of peak near 128.5 ppm 2 peaks CDCI, TMS 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 100 a. (3 pts.) What is the DoU? b. (4 pts.) The mass spectrum shows a signal for M . at m/z : 210 (100%)...
2. Draw the structure of the cation responsible for the base peak (m/z=58) in the mass spectrum of 3-aminopentane shown below: 3. Below is given the mass spectrum of a simple alkane. What is the chemical formula of the alkane? What is the name of the alkane? Explain how you determined the exact structure of the alkane from the observed fragments. 4. Below is a mass spectrum of an ester. Identify the ester. Consider that the dominant fragmentation pathway involves...
Deduce the ester compound structure with M/Z=136 on this mass spectrum; significant peaks at 51, 77, 105, 136. Relative Abundance M(136) 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 mz
2. Answer the following questions for an unknown with molecular formula C HBrO2 given the spectral data below: (a) Calculate the molecular weight and the exact mass of the compound. (b) Deduce the structure. Relative Abundance percent) (166) Om 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 triplets
4. Analyze the following mass spectrum by showing: molecular ion, base peak, and identify 2 fragmentation patterns. 45 OH Intensitu 73 70 07 po - 40 50 -8 70 80 0 100 110 129 130 140 150 10 10 10 10 200 m/e
Find the final chemical structure compound. Use rule of 13 to find the m/z ration for Mass Spectrum and for the chemical formula. HNMR: Show the integration, splitting patterns, and explain the position of H atoms. Use the Appendix 8, and by calculation of CNMR chemical shifts, to support the structural assigment. 162 MASS 164 100 63 981 1261128 「 s 50 73 mi 50 60 70 80 90 10o 110 120 130 140 150 160 m/z IR 100 50...