interpret both h and ch13 NMR, label the structure DMTPP and TPCPD protons and carbons and locate the signal for them. use chem shift and integral ratio to help find the peaks. explain how u got to the peak assignments
10 1 /opt/topspin sbachan 20110726uglab CARBON DIMETHYLTETRAPHENYLPHTHALATE 13C NMR: mNNNNN 2 10 [ppm 60 A0 100 120 140 160 168.7169 143.2799 52. 2812
sbachan 20110726uglab 11 1 /opt/topspin 1H NMR: TETRAPHENYLCYCLOPENTADIENONE NO A777* 20 Ppm 6.8 T 7.0 7.2 7.4 oz 12.3357 4.0000 7.1846 3.7250 969
20110726uglab 12 : /opt/topspin bachan TETRAPHENYLCYCIOPENTADIENONE. NENEN 150 130 145 140 135 14 rel 154.4921 133.0882 130,1561 129.3422 125.3257
Homework Answers
The 1H NMR spectrum for TPCPD is not very clear.
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interpret both h and ch13 NMR, label the structure DMTPP and TPCPD protons and carbons and...
Label peaks and determine the structure of the aldehyde in the 1H NMR and 13C1H NMR:...
Label peaks and determine the structure of the
aldehyde in the 1H NMR and 13C1H NMR:
pg 1H NMR of product from aldehyde Yin CDCI3 CHCI ppm Hz Intensity 17.73 3091.6 621.6 2 7.69 3075.7 690.3 3 7.59 3036.2 1108.5 4 7.57 3027.5 1199.0 5 6.98 2793.9 961.0 6 6.95 2779.9 1320.9 76.94 2778.0 1279.1 8 6.93 2771.1 1185.2 7.60 7.55 7.50 7.45 7.40 7.35 7.30 7.25 fl (ppm) 7.20 7.15 7.10 7.057.00 6.95 6.90 OK to group CHCl3 -...
Interpret the 1H NMR and 13C NMR spectra data provided as evidence of the structure of styrene.
Interpret the 1H NMR and 13C NMR spectra data provided as
evidence of the structure of styrene.
Styrene H-NMR Styrene C-NMR We were unable to transcribe this imageStyrene in CDC13 VI 135 130 125 120 ppm 200 190 180 170 160 50 140 130 120 110 100 90 80 70 60 50 4030 20 10 ppm
Styrene H-NMR Styrene C-NMR
Styrene in CDC13 VI 135 130 125 120 ppm 200 190 180 170 160 50 140 130 120 110 100...
From the given spectrums, what is the structure. label the carbons and hydrogens MASS of Base...
From the given spectrums, what is the structure. label the
carbons and hydrogens
MASS of Base Peak 30 10 90 100 110 120 Transmittance 3066 012 2910 3000 4000 'H NMR 600 MHZ 2000 Wavenumber (cm-1) 3680 3660 Hz 3300 3280 H z 3220 3200 Hz 2760 2740 Hz 6.2 6.0 5.8 5.6 5.4 5. 2 5.0 4.8 ppm 7.4 7.2 7.0 6.8 6.6 6.4 C/DEPT NMR 150.9 MHz 160 150 140 130 120 110 100 90 80 70 ppm...
Write down problem number. Provide formula, HDI value, and a complete, chemically correct structure for each...
Write down problem number.
Provide formula, HDI value, and a complete, chemically correct
structure for each problem.
Assign signals in the 1H and 13C spectra to specific atoms,
identify structural units and/or functional groups.
Example:
Problem # 3
Formula: C8H8O2
HDI: 5
1H NMR: p-substituted Ar at 7.27-7.97 ppm, benzylic CH3 group at
2.42 ppm, COOH proton at 12.9 ppm
13C NMR: carbonyl C at 167.8 ppm (ester or acid), benzylic CH3
at 21.40 ppm, 4 remaining signals are Ar...
based on 13c nmr find unknown compound and label each peak. ppm 200 180 160 140...
based on 13c nmr find unknown compound and label each peak.
ppm 200 180 160 140 120 80 60 40 20 100 165 160 155 150 145 140 135 130 125 P
6-A compound (CH-C1:0) has the following 1H NMR, 13C NMR, and IR spectra. Propose a structure...
6-A compound (CH-C1:0) has the following 1H NMR, 13C NMR, and IR spectra. Propose a structure consistent with this data. Part marks are available so show your work! Clearly indicate your final proposed structure.(10 Marks) C6H4C120 WT Kwa 4000 2000 COO Warumhers fem 121.2 ppm 155 150 145 140 135 130 125 120 11s 110 10 100 95 90 85 ppm 75 74 73 72 71 70 69 6.8 6.7 66 65 64 63 6.2 6.1 6.0 5.9 5.8 5.7...
6-A compound (C6H4C120) has the following 1H NMR, 13C NMR, and IR spectra. Propose a structure...
6-A compound (C6H4C120) has the following 1H NMR, 13C NMR, and IR spectra. Propose a structure consistent with this data C6H40120 100 Transmittance -1577 SHE 4000 3000 2000 1000 Waven umhers (cm) 121.2 ppm 155 150 145 140 135 130 125 120 115 110 105 100 95 90 85 80 ppm 75 0606067 60 S SO 57
Interpret the 1 H NMR spectra of tatraphenylcyclopentadienone below. Label the different types of protons and...
Interpret the 1 H NMR spectra of tatraphenylcyclopentadienone
below.
Label the different types of protons and carbons for the
compound and locate the signals for these nuclei on the spectras.
Use the chemical shift and integral ratio to help with your peak
assignments.
Beacuse of signal overlap, you may not be able to assign
individual protons/carbons in a compound to a separate signal in
the spectrum, so in these cases unsepearted peaks in the spectrum
are to be assigned to...
1. Use the 'H NMR, 13C NMR, mass spectrometry and IR dat of a compound to...
1. Use the 'H NMR, 13C NMR, mass spectrometry and IR dat of a compound to determine its structure. IR Spectrum Mass Spectrometry Data relative abund 77 105 117 133 147 148 100 1H NMR Data 2H 24 ) H !! 13C NMR Data There are two unresolved lines between 130 and 131 ppa. TTTTTTTT 160 140 120 100 80 60 20 PPM 0 DEPT 135: positive: 18.4, 55.1, 113.9, 123.3, 126.9, 130.5 ppm DEPT 90: 113.9, 123.3, 126.9, 130.5...
1.Based on its 13C NMR spectrum, how many types of carbon (i.e., sets of equivalent carbons)...
1.Based on its 13C NMR spectrum, how many types of carbon
(i.e., sets of equivalent carbons) are there in your unknown
monosubstituted benzene starting material?
2. How many different types of aromatic (benzene ring) carbons
can be seen in the 13C NMR spectrum of your unknown monosubstituted
benzene starting material?
3 How many different types of aromatic (benzene ring) carbons
can be seen in the 13C NMR spectrum of your unknown monosubstituted
benzene starting material?
CENZORZI2013301 13CNMR #1 (unknowns in...
Label peaks and determine the structure of the
aldehyde in the 1H NMR and 13C1H NMR:
pg 1H NMR of product from aldehyde Yin CDCI3 CHCI ppm Hz Intensity 17.73 3091.6 621.6 2 7.69 3075.7 690.3 3 7.59 3036.2 1108.5 4 7.57 3027.5 1199.0 5 6.98 2793.9 961.0 6 6.95 2779.9 1320.9 76.94 2778.0 1279.1 8 6.93 2771.1 1185.2 7.60 7.55 7.50 7.45 7.40 7.35 7.30 7.25 fl (ppm) 7.20 7.15 7.10 7.057.00 6.95 6.90 OK to group CHCl3 -...
Interpret the 1H NMR and 13C NMR spectra data provided as
evidence of the structure of styrene.
Styrene H-NMR Styrene C-NMR We were unable to transcribe this imageStyrene in CDC13 VI 135 130 125 120 ppm 200 190 180 170 160 50 140 130 120 110 100 90 80 70 60 50 4030 20 10 ppm
Styrene H-NMR Styrene C-NMR
Styrene in CDC13 VI 135 130 125 120 ppm 200 190 180 170 160 50 140 130 120 110 100...
From the given spectrums, what is the structure. label the
carbons and hydrogens
MASS of Base Peak 30 10 90 100 110 120 Transmittance 3066 012 2910 3000 4000 'H NMR 600 MHZ 2000 Wavenumber (cm-1) 3680 3660 Hz 3300 3280 H z 3220 3200 Hz 2760 2740 Hz 6.2 6.0 5.8 5.6 5.4 5. 2 5.0 4.8 ppm 7.4 7.2 7.0 6.8 6.6 6.4 C/DEPT NMR 150.9 MHz 160 150 140 130 120 110 100 90 80 70 ppm...
Write down problem number.
Provide formula, HDI value, and a complete, chemically correct
structure for each problem.
Assign signals in the 1H and 13C spectra to specific atoms,
identify structural units and/or functional groups.
Example:
Problem # 3
Formula: C8H8O2
HDI: 5
1H NMR: p-substituted Ar at 7.27-7.97 ppm, benzylic CH3 group at
2.42 ppm, COOH proton at 12.9 ppm
13C NMR: carbonyl C at 167.8 ppm (ester or acid), benzylic CH3
at 21.40 ppm, 4 remaining signals are Ar...
based on 13c nmr find unknown compound and label each peak.
ppm 200 180 160 140 120 80 60 40 20 100 165 160 155 150 145 140 135 130 125 P
6-A compound (CH-C1:0) has the following 1H NMR, 13C NMR, and IR spectra. Propose a structure consistent with this data. Part marks are available so show your work! Clearly indicate your final proposed structure.(10 Marks) C6H4C120 WT Kwa 4000 2000 COO Warumhers fem 121.2 ppm 155 150 145 140 135 130 125 120 11s 110 10 100 95 90 85 ppm 75 74 73 72 71 70 69 6.8 6.7 66 65 64 63 6.2 6.1 6.0 5.9 5.8 5.7...
6-A compound (C6H4C120) has the following 1H NMR, 13C NMR, and IR spectra. Propose a structure consistent with this data C6H40120 100 Transmittance -1577 SHE 4000 3000 2000 1000 Waven umhers (cm) 121.2 ppm 155 150 145 140 135 130 125 120 115 110 105 100 95 90 85 80 ppm 75 0606067 60 S SO 57
Interpret the 1 H NMR spectra of tatraphenylcyclopentadienone
below.
Label the different types of protons and carbons for the
compound and locate the signals for these nuclei on the spectras.
Use the chemical shift and integral ratio to help with your peak
assignments.
Beacuse of signal overlap, you may not be able to assign
individual protons/carbons in a compound to a separate signal in
the spectrum, so in these cases unsepearted peaks in the spectrum
are to be assigned to...
1. Use the 'H NMR, 13C NMR, mass spectrometry and IR dat of a compound to determine its structure. IR Spectrum Mass Spectrometry Data relative abund 77 105 117 133 147 148 100 1H NMR Data 2H 24 ) H !! 13C NMR Data There are two unresolved lines between 130 and 131 ppa. TTTTTTTT 160 140 120 100 80 60 20 PPM 0 DEPT 135: positive: 18.4, 55.1, 113.9, 123.3, 126.9, 130.5 ppm DEPT 90: 113.9, 123.3, 126.9, 130.5...
1.Based on its 13C NMR spectrum, how many types of carbon
(i.e., sets of equivalent carbons) are there in your unknown
monosubstituted benzene starting material?
2. How many different types of aromatic (benzene ring) carbons
can be seen in the 13C NMR spectrum of your unknown monosubstituted
benzene starting material?
3 How many different types of aromatic (benzene ring) carbons
can be seen in the 13C NMR spectrum of your unknown monosubstituted
benzene starting material?
CENZORZI2013301 13CNMR #1 (unknowns in...
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