1. List and comment on the
structural characteristics from each spectrum. (Chemical shifts,
splitting patterns, coupling constants, fragmentation patterns,
absorption bands, etc)
2. Determine the compound presented and propose a structure.
Homework Answers
The structure is captured below. 1H NMR, 13C and FTIR for individual atom is captured below.
The carbon attached to Oxygen is deshielded (downfield) due to electronegative oxygen. The CH2 which is present inbetween CN and Carbonyl is also deshielded due to electron withdrawing group. Rest of the explanation is captured in the below figure.
Add Answer to:
1. List and comment on the
structural characteristics from each spectrum. (Chemical shifts,
splitting patterns, coupling...
4) Which structure is consistent with this IR spectrum? 2.5 27 3 3,5 Wavelength, (um) 4...
4) Which structure is consistent with this IR spectrum? 2.5 27 3 3,5 Wavelength, (um) 4 4,5 5 5,5 6 6,5 7 8 9 10 12 14 18 4000 3500 3000 2500 2000 1800 1600 1400 12001000 800 600 400 Wavenumber, (cm) (A) (B) CH3(CH2).CH OCCH; CHCH).CH_OČCH, B) ChọCh> OH CH(CH2) 10COH (C) CHCH_CHE (D) HOCH_CH»ČCH, 5) Which compound corresponds to this IR spectrum? 1 2.527 3 3,5 Wavelength, (um) 4 4,5 5 5,5 6 6,5 7 8 9 10...
2) Which is the most reasonable structure for a compound with this IR spectrum? Wavelength, (um)...
2) Which is the most reasonable structure for a compound with this IR spectrum? Wavelength, (um) 2.2 2.4 2.6 3 3,5 4 4,5 5 5,5 6 1 8_9 10 11 12 13 14 16 MAN 4600 4000 3500 3000 2500 2000 1500 Wavenumber, (cm) 1000 800 600 (A) (B) ОН CH3(CH2)4-C=C-COCH; CH(CH2)3-C=C-CHCH (C) (D) H-C=C-(CH2)4CCH3 CH3(CH2)4-CH=CH-CH 3) Which structure is consistent with following IR spectrum? * 2.527 3 Wavelength, (um) 3,5 4 4,5 5 5,5 6 6,5 7 8 9...
Draw the infrared spectrum of 3-butin-2-ol. Identify and assign the spectrum bands including vibrational mode. UUUUUU....
Draw the infrared spectrum of 3-butin-2-ol. Identify and assign the
spectrum bands including vibrational mode.
UUUUUU. UU.UU 4. Dibuja el espectro de infrarrojo de 3-butin-2-ol. Rotula y asigna las bandas incluyendo el modo vibracional al que corresponden. wavelength (um) 3 3.5 4 4.5 5 5.5 6 6.5 7 8 9 10 11 12 14 16 percent transmittance 4000 3500 3000 2500 1400 1200 1000 800 600 2000 1800 1600 wavenumber (cm )
6) Which compound would produce this IR spectrum? Wavelength, (um) 3,5 4 4,5 5 5,5 6 6,5 7 8 9 10 12 14 18 2.52,7 3 100...
6) Which compound would produce this IR spectrum? Wavelength, (um) 3,5 4 4,5 5 5,5 6 6,5 7 8 9 10 12 14 18 2.52,7 3 100 80 s 60 40 a 20 0 e 4000 3500 3000 2500 2000 1800 1600 1400 12001000 800 600 400 Wavenumber, (cm-1) (A) (В) CH СОН (C) (D) CH3 СОСН) 7) Which compound is consistent with this IR spectrum? Wavelength, (um) 1003.2 2,4 2.6 3 3,5 4 4,5 5 5,5 6 7 89...
exercises for Lab report grades-2.pdf (page 3 of 5)- Q Search 4) Which structure is consistent...
exercises for Lab report grades-2.pdf (page 3 of 5)- Q Search 4) Which structure is consistent with this IR spectrum? Wavelength, (um) 3,5 4 4,55 5,5 6 6,5 7 2.527 3 100 89 10 12 14 18 T 80 n s 60 40 a 20 n 4000 3500 3000 2500 2000 1800 1600 1400 12001000 800 600 400 Wavenumber, (cm-) (B) (A) CH CHОСОН CH:;CH>,СH,ОССH, (D) (C) носн-СH>,ССH, CH3(CH2)sCH terminology 5) Which compound corresponds to this IR spectrum? W Window...
exercises for Lab report grades-2.pdf (page 3 of 5)- Q Search 4) Which structure is consistent...
exercises for Lab report grades-2.pdf (page 3 of 5)- Q Search 4) Which structure is consistent with this IR spectrum? Wavelength, (um) 3,5 4 4,55 5,5 6 6,5 7 2.527 3 100 89 10 12 14 18 T 80 n s 60 40 a 20 n 4000 3500 3000 2500 2000 1800 1600 1400 12001000 800 600 400 Wavenumber, (cm-) (B) (A) CH CHОСОН CH:;CH>,СH,ОССH, (D) (C) носн-СH>,ССH, CH3(CH2)sCH terminology 5) Which compound corresponds to this IR spectrum? W Window...
Consider the data provided in appendix B containing the mass spectrum, the IR spectrum and the...
Consider the data provided in appendix B containing the mass spectrum, the IR spectrum and the 'H NMR of an unknown compound. Determine the structure of this compound base on the data provided. (Make sure to show your work). 100 80 117 M 60 abundance 40 20 . = . 0 10 20 30 40 50 60 70 80 90 100 110 120 130' 140' 150 160 3.5 wavelength (um) 5.5 4.5 6 7 8 9 10 11 12 13...
The IR/spectrum shows the value, 1st photo shows the instructions. Attached are 2 sets of spectra....
The IR/spectrum shows the value, 1st photo shows the
instructions.
Attached are 2 sets of spectra. Each set is worth 25 points. Not all sets have a Mass Spectrum, but do have information that was obtained from MS and some sets do not have a "C-NMR and don't really need one. Look at each spectrum individually and clearly list and comment on the structural Characteristics you can determine from that spectrum. (Chemical shifts, splitting patterns, coupling constants, fragmentation patterns, absorption...
4) Which structure is consistent with this IR spectrum? 2.5 27 3 3,5 Wavelength, (um) 4 4,5 5 5,5 6 6,5 7 8 9 10 12 14 18 4000 3500 3000 2500 2000 1800 1600 1400 12001000 800 600 400 Wavenumber, (cm) (A) (B) CH3(CH2).CH OCCH; CHCH).CH_OČCH, B) ChọCh> OH CH(CH2) 10COH (C) CHCH_CHE (D) HOCH_CH»ČCH, 5) Which compound corresponds to this IR spectrum? 1 2.527 3 3,5 Wavelength, (um) 4 4,5 5 5,5 6 6,5 7 8 9 10...
2) Which is the most reasonable structure for a compound with this IR spectrum? Wavelength, (um) 2.2 2.4 2.6 3 3,5 4 4,5 5 5,5 6 1 8_9 10 11 12 13 14 16 MAN 4600 4000 3500 3000 2500 2000 1500 Wavenumber, (cm) 1000 800 600 (A) (B) ОН CH3(CH2)4-C=C-COCH; CH(CH2)3-C=C-CHCH (C) (D) H-C=C-(CH2)4CCH3 CH3(CH2)4-CH=CH-CH 3) Which structure is consistent with following IR spectrum? * 2.527 3 Wavelength, (um) 3,5 4 4,5 5 5,5 6 6,5 7 8 9...
Draw the infrared spectrum of 3-butin-2-ol. Identify and assign the
spectrum bands including vibrational mode.
UUUUUU. UU.UU 4. Dibuja el espectro de infrarrojo de 3-butin-2-ol. Rotula y asigna las bandas incluyendo el modo vibracional al que corresponden. wavelength (um) 3 3.5 4 4.5 5 5.5 6 6.5 7 8 9 10 11 12 14 16 percent transmittance 4000 3500 3000 2500 1400 1200 1000 800 600 2000 1800 1600 wavenumber (cm )
6) Which compound would produce this IR spectrum? Wavelength, (um) 3,5 4 4,5 5 5,5 6 6,5 7 8 9 10 12 14 18 2.52,7 3 100 80 s 60 40 a 20 0 e 4000 3500 3000 2500 2000 1800 1600 1400 12001000 800 600 400 Wavenumber, (cm-1) (A) (В) CH СОН (C) (D) CH3 СОСН) 7) Which compound is consistent with this IR spectrum? Wavelength, (um) 1003.2 2,4 2.6 3 3,5 4 4,5 5 5,5 6 7 89...
exercises for Lab report grades-2.pdf (page 3 of 5)- Q Search 4) Which structure is consistent with this IR spectrum? Wavelength, (um) 3,5 4 4,55 5,5 6 6,5 7 2.527 3 100 89 10 12 14 18 T 80 n s 60 40 a 20 n 4000 3500 3000 2500 2000 1800 1600 1400 12001000 800 600 400 Wavenumber, (cm-) (B) (A) CH CHОСОН CH:;CH>,СH,ОССH, (D) (C) носн-СH>,ССH, CH3(CH2)sCH terminology 5) Which compound corresponds to this IR spectrum? W Window...
exercises for Lab report grades-2.pdf (page 3 of 5)- Q Search 4) Which structure is consistent with this IR spectrum? Wavelength, (um) 3,5 4 4,55 5,5 6 6,5 7 2.527 3 100 89 10 12 14 18 T 80 n s 60 40 a 20 n 4000 3500 3000 2500 2000 1800 1600 1400 12001000 800 600 400 Wavenumber, (cm-) (B) (A) CH CHОСОН CH:;CH>,СH,ОССH, (D) (C) носн-СH>,ССH, CH3(CH2)sCH terminology 5) Which compound corresponds to this IR spectrum? W Window...
Consider the data provided in appendix B containing the mass spectrum, the IR spectrum and the 'H NMR of an unknown compound. Determine the structure of this compound base on the data provided. (Make sure to show your work). 100 80 117 M 60 abundance 40 20 . = . 0 10 20 30 40 50 60 70 80 90 100 110 120 130' 140' 150 160 3.5 wavelength (um) 5.5 4.5 6 7 8 9 10 11 12 13...
The IR/spectrum shows the value, 1st photo shows the
instructions.
Attached are 2 sets of spectra. Each set is worth 25 points. Not all sets have a Mass Spectrum, but do have information that was obtained from MS and some sets do not have a "C-NMR and don't really need one. Look at each spectrum individually and clearly list and comment on the structural Characteristics you can determine from that spectrum. (Chemical shifts, splitting patterns, coupling constants, fragmentation patterns, absorption...
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