Homework Answers
Molecular formula = C3H7Cl
Sites of unsaturation = 0
1H NMR data:
3.5 (t, 2H) presence of aromatic ring
1.7 (sextet, 2H) CH2 attached to CH2 and CH3
1.1 (t, 3H) CH3 attached to CH2
Above data indicates following structure
Molecular formula = C9H10O2
Sites of unsaturation = 5
1H NMR data:
7.9 (d, 2H) aromatic protons (benzene ring attached to electron withdrawing group)
6.9 (d, 2H) aromatic protons (benzene ring attached to electron donating group)
3.7 (s, 3H) CH3 attached to oxygen
2.6 (s, 3H) CH3 attached to carbonyl
Above data indicates following structure
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TUJ Iwo spectra are given below along with their molecular formulas. Propose a structure that com...
TUJ Iwo spectra are given below along with their molecular formulas. Propose a structure that com...
TUJ Iwo spectra are given below along with their molecular formulas. Propose a structure that com each spectrum CHCI 2.00 CgHoO, 1.97 2.00 3.03 3.01 3.01 80 75 70 6.5 6.0 40 35 30 25 20 15
TUJ Iwo spectra are given below along with their molecular formulas. Propose a structure that com each spectrum CHC...
TUJ Iwo spectra are given below along with their molecular formulas. Propose a structure that com each spectrum CHCI 2.00 CgHoO, 1.97 2.00 3.03 3.01 3.01 80 75 70 6.5 6.0 40 35 30 25 20 15
1. From the following spectra, deduce the structure of the compound having a molecular formula of...
1. From the following spectra, deduce the structure of the compound having a molecular formula of C4H,O. (5 pts) (1710 cm') 10 15 20 25 30 35 40 45 50 55 60 65 70 75 Triplet, 3H 3H
8. Following are the 'Handic spectra for two isomeric hromalkancs, A and B (compon following page) with molecular...
8. Following are the 'Handic spectra for two isomeric hromalkancs, A and B (compon following page) with molecular formula C.H.Br. Draw their structure. (compound B is on the 1Η COCI (Solvent) www wwwwwwwwwwwwww 95 90 85 80 75 70 wwww 60 55 50 45 65 40 35 30 25 20 15 10 CDCI (Solvent) TMS 95 90 RS 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 -5 -10
Draw the structure with the mass spectrum and NMR. 151) (Mass of molecular ion: 100e-1N-7213 80...
Draw the structure with the mass spectrum and NMR.
151) (Mass of molecular ion: 100e-1N-7213 80 60 2 40- 20- 0 100 150 125 75 25 50 m/z Molecular Weight: 151.1195 Elemental Analysis: C, 55.63; H, 3.33; N, 9.27; O, 31.76 170 160 150 140 130 120 110 100 80 70 30 20 10 10 .5 9.0 8.5 8.0 7.5 70 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 25 2.0 1.5 10 0.5 0.0 0.5 1.0 -15 2.0 2.5...
Use the spectra below to determine the molecular formula and chemical structure of the unknown compound....
Use the spectra below to determine the molecular formula and
chemical structure of the unknown compound.
MASS 142 % of Base Peak 1147 40 50 70 80 5 100 % Transmittance Jari- 3000 1000 4000 'H NMR 300 MERE 2000 Wavenumber (cm) 3.0 25 20 15 Ppm 4.0 3.5 C/DEPT NMR 75.5 MHz ppm 60 50 40 80 70 90 100 110 120 170 160 150 140 130 ppm 4.5 4.0 3.5 3.0 2.5 2.0 1.5 ppm COSY 300 MHz...
Propose a structure that is consistent with the spectral data below. (The spectra and data provided...
Propose a structure that is consistent with the spectral data below. (The spectra and data provided were obtained from a pure organic molecule. For 'H NMR spectra, the integral is given in number of hydrogens (#H) or as a relative ratio.) Mass Spectrum (not shown): [M] = 162 m/z (100%) IR Spectrum (not shown): 3022, 2980, 1685, 1600, 1510 cm (all listed are strong (s) unless otherwise indicated) 'H NMR Spectrum (300 MHz, DMSO, 25 °C) dd (J= 2 Hz)...
CHEM210 Name 3. Based on the molecular formula and spectrum below, propose a structure to analyze...
CHEM210 Name 3. Based on the molecular formula and spectrum below, propose a structure to analyze each peak using the information on chemical shift, integration, and multiplicity lean role. The insets are expanded views of each peak so that the muplicity is clear. propose a structure for the molecule. Show your work it, integration, and multiplicity learned in the tutorial. Molecular Formula: CH..0: Predicted 1H NMR Spectrum 34 4.15 4.10 ppm 4.05 1.30 1.25 1.20 ppm 1.15 1.00 OH 2.50...
Instructions: Write the structure of each molecular formula using the IR and Mass Spec spectra. Important...
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...
Label the spectra and propose a structure for the compound. Compound 5 IR Spectrum Olquid fim...
Label the spectra and propose a structure for the
compound.
Compound 5 IR Spectrum Olquid fim 1740 4000 3000 20 ,1600 1200 300 100% Mass Spectrum M = 150/152 (15) CH,40, CI 240 280 40 80 120 160 200 13C NMR Spectrum (500 M , CDC, son DEPT CH CH CH selvon proton decoupled 200 160 120 80 40 0 8 (ppm) 'H NMR Spectrum (200 MH. COCI, solution 10 9 8 7 6 5 4 3 2 (ppm)
TUJ Iwo spectra are given below along with their molecular formulas. Propose a structure that com each spectrum CHCI 2.00 CgHoO, 1.97 2.00 3.03 3.01 3.01 80 75 70 6.5 6.0 40 35 30 25 20 15
TUJ Iwo spectra are given below along with their molecular formulas. Propose a structure that com each spectrum CHCI 2.00 CgHoO, 1.97 2.00 3.03 3.01 3.01 80 75 70 6.5 6.0 40 35 30 25 20 15
1. From the following spectra, deduce the structure of the compound having a molecular formula of C4H,O. (5 pts) (1710 cm') 10 15 20 25 30 35 40 45 50 55 60 65 70 75 Triplet, 3H 3H
8. Following are the 'Handic spectra for two isomeric hromalkancs, A and B (compon following page) with molecular formula C.H.Br. Draw their structure. (compound B is on the 1Η COCI (Solvent) www wwwwwwwwwwwwww 95 90 85 80 75 70 wwww 60 55 50 45 65 40 35 30 25 20 15 10 CDCI (Solvent) TMS 95 90 RS 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 -5 -10
Draw the structure with the mass spectrum and NMR.
151) (Mass of molecular ion: 100e-1N-7213 80 60 2 40- 20- 0 100 150 125 75 25 50 m/z Molecular Weight: 151.1195 Elemental Analysis: C, 55.63; H, 3.33; N, 9.27; O, 31.76 170 160 150 140 130 120 110 100 80 70 30 20 10 10 .5 9.0 8.5 8.0 7.5 70 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 25 2.0 1.5 10 0.5 0.0 0.5 1.0 -15 2.0 2.5...
Use the spectra below to determine the molecular formula and
chemical structure of the unknown compound.
MASS 142 % of Base Peak 1147 40 50 70 80 5 100 % Transmittance Jari- 3000 1000 4000 'H NMR 300 MERE 2000 Wavenumber (cm) 3.0 25 20 15 Ppm 4.0 3.5 C/DEPT NMR 75.5 MHz ppm 60 50 40 80 70 90 100 110 120 170 160 150 140 130 ppm 4.5 4.0 3.5 3.0 2.5 2.0 1.5 ppm COSY 300 MHz...
Propose a structure that is consistent with the spectral data below. (The spectra and data provided were obtained from a pure organic molecule. For 'H NMR spectra, the integral is given in number of hydrogens (#H) or as a relative ratio.) Mass Spectrum (not shown): [M] = 162 m/z (100%) IR Spectrum (not shown): 3022, 2980, 1685, 1600, 1510 cm (all listed are strong (s) unless otherwise indicated) 'H NMR Spectrum (300 MHz, DMSO, 25 °C) dd (J= 2 Hz)...
CHEM210 Name 3. Based on the molecular formula and spectrum below, propose a structure to analyze each peak using the information on chemical shift, integration, and multiplicity lean role. The insets are expanded views of each peak so that the muplicity is clear. propose a structure for the molecule. Show your work it, integration, and multiplicity learned in the tutorial. Molecular Formula: CH..0: Predicted 1H NMR Spectrum 34 4.15 4.10 ppm 4.05 1.30 1.25 1.20 ppm 1.15 1.00 OH 2.50...
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...
Label the spectra and propose a structure for the
compound.
Compound 5 IR Spectrum Olquid fim 1740 4000 3000 20 ,1600 1200 300 100% Mass Spectrum M = 150/152 (15) CH,40, CI 240 280 40 80 120 160 200 13C NMR Spectrum (500 M , CDC, son DEPT CH CH CH selvon proton decoupled 200 160 120 80 40 0 8 (ppm) 'H NMR Spectrum (200 MH. COCI, solution 10 9 8 7 6 5 4 3 2 (ppm)
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