
Determine the name of the molecule and label all peaks. 2H H J ViNY 220 200...
Label each peak on your carbon- and proton-NMR; and label only
the principle peaks found in the compound. All peaks are presented
in the 4000-1000 wavenumber range.
Copyright 1994 Proton NMR 60 140 Carbon 13 NMA 120 100 2H 80 MF 8H11 MW 137 %C70.0 EH 8.1 N 10.2 2 PPM 20 PPM
Can you help to figure out the formula and the structure
?
50) 4. Determine the structure of the molecule from these spectra, and draw your answer in the box. 100 80 40 20 4000 2000- 3000 1500 1000 400 100 -[ 196 80 196 40 20 200 20 40 60 80 100 120 140 160 180 200 3H,t 2H,m 2H,t 2H,m 3 2 peaks 20 80 100 120 140 160 180 200 3H,t 2H,d 2H,d 2H,m 2H,t 2H,m 8...
Use the formula C8H14O4 and spectra to determine the structure
of the molecule. Label all peaks.
17. C,H,O, (a symmetrical diester) =m IR spectrum (liquid Elin 1735 4000 3060 3000 2000 1800 11200 8 00 V ml) 100 proton MMR spectrum COCI, solution
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...
Choose the molecule fit the 13C and H NMR from the list. Label
the hydrogen
Cr13 C Hy Br 143L LHY 11 oCH3 O H BY CH3 BY CH3 NHL By By 1130 CH3 BY C19) ECCCH2)3 CH3 OH CH3 2 ) CH BY CHy 27 30 OH BY NMR-022 CDCI3 QE-300 240 220 200 180 160 140 120 80 60 40 100 20 0 12 11 7 6 8 5 4 3 2 10 NMR-023 CDCI3 240 QE-300 60...
Choose the molecule fit the 13C and H NMR from the list. Label
the hydrogen
си, He 7 cu Т (н . Нst (13 сну сну И о н — С=С / Росан - Сиз 15 애 Н.С сн. NH₂ (130 'CH ЕС (СН2) 3 Сез ОН HBC Cr3 ABY І H2 (2 ) CH, HC - CH₂ L-3 애 NMR-020 CDC13 QE-300 180 240 220 200 160 140 60 www wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww 12 10. 8 7 NMR-019 CDCl3 QE-300 240...
Choose the molecule fit the 13C and H NMR from the list. Label
the hydrogen
си, He 7 cu Т (н . Нst (13 сну сну И о н — С=С / Росан - Сиз 15 애 Н.С сн. NH₂ (130 'CH ЕС (СН2) 3 Сез ОН HBC Cr3 ABY І H2 (2 ) CH, HC - CH₂ L-3 애 NMR 003 CDCl3 QÉ-300 240 220 200 180 160 140 120 100 80 60 40 20 12 10 NMR004 CDC13...
Name. Spectroscopy Problems For each problem, you must: 1) Calculate the degree of unsaturation. 2) Assign the principal IR absorption bands above 1500 cm-1 3) Draw the structure of the compound 4) Label the protons on your structure with letters and assign them to peaks on spectrum (see the example below). B un 2H 2H 2H CH,BICIO 2H 2H PPM 220 200 180 160 140 120 100 80 60.40.20 PPM
determine the structure of the compound and label the peaks on
spectra
left to right compound 3: C.H. 'H NMR integration, right to left: 1:6 11 10 9 ppm 140120 1000 left to right sound 3: CsH14. 'H NMR integration, right to left: 1:6 Compound 3: CH. CC 11 7 10 9 8 Cửa - Chº ppm RECH/ /R₂ CH2 200 180 160 140 120 80 60 40 20 0 100 pom
Please identify my unknown molecule and label all spectroscopy
data with key information leading to your conclusion.
Unknown H411 DD 500 1000 2000 3000 4000 NAVENUMBERI-1 Unknown H411 q 0 20 100 80 120 160 140 180 200 ppm COS-07-311 Unknown H411 100 MS-NW-5797 80 - 60 40 M* 0 175 150 125 100 50 75 25 m/z Relative Intensity 20 Unknown H411 ЗН, d ЗН, t ЗН, m 2H, dq 2H, m 1H, m 2 4 PPM 6 7...