Hello, need help trying to get the structure using the NMR's and IR. Not sure if the empirical formula and molecular formula are right. I also need to label the NMR's and IR using the structure so it matches.
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Hello, need help trying to get the structure using the NMR's and IR. Not sure if the empirical fo...
Hello, need help trying to get the structure using the NMR's and IR. Not sure if...
Hello, need help trying to get the structure using the NMR's and
IR. Not sure if the empirical formula and molecular formula are
right. I also need to label the NMR's and IR using the structure so
it matches.
เศพ 206 © 1994 ai SH 1.3 .5 There are txo unresoived lines at 45 pps. Proton Carbon 01 140 120 100 13 R
What is the molecular formula and structure? Mass Spect: 74 IR:2880-2969, 3200-3602 Proton NMR: 0.90 (triplet,...
What is the molecular formula and structure? Mass Spect: 74 IR:2880-2969, 3200-3602 Proton NMR: 0.90 (triplet, 3H), 1.20 (doublet, 3H), 1.48 (quintet, 2H), 3.58 (broad singlet, 1H), 4.05 (sextet, 1H) Carbon NMR: 9.6, 23.4, 32.8, 70.4
STRUCTURE DETERMINATION PROBLEMS USING IR AND PROTON NMR SPECTROSCOPY Determine the structure of the six compounds...
STRUCTURE DETERMINATION PROBLEMS USING IR AND PROTON NMR
SPECTROSCOPY
Determine the structure of the six compounds whose IR and PMR
spectra are provided on the attached sheets, given the following
comments about the provided information and spectra.
PMR Spectra: The PMR spectrum of each compound is provided,
along with peak areas. The peak areas are given as the simples
whole number ratio of protons and are indicated (for exmpale, 4H).
Your final structure must be consistent with the chemical shift...
assign the major absorptions in the IR spectra, assign chemical shifts in both NMR, designate the...
assign the major absorptions in the IR spectra, assign chemical
shifts in both NMR, designate the parent peak in the mass spectra
data and assign the major fragments to their corresponding peaks,
and finally provide the structure for the formula.
MF CHE MW 68 %C88.2 *H 11.8 Mass Spec. Data relative m/ abund. 21 3H .. Copyright © 1994 Note 'long-range' coupling. T TTTTTTTTTTTTTTTTT 2.4 2.2 2.0 Proton NMR 1.8 1.6 1.4 1.0 0.8 PPM Carbon 13 NMR
MF C12H1404 MW 222 *C 64.8 %H 6.4 TRETTANCE cer 144.72 11? 18426 Mass Spec. Data...
MF C12H1404 MW 222 *C 64.8 %H 6.4 TRETTANCE cer 144.72 11? 18426 Mass Spec. Data relative m/z abund. 50 8 65 12 76 14 93 10 104 9 105 11 149 100 150 176 10 177 21 744.62 1967.70 1 3 2500 AVENUMBERS 1000 Copyright © 1994 3H IN Copyright © 1994 3H 2H 1H 1H M 1207077772 Proton NMR 2.0 1.5 PPW 170 166 160 155 136 130 PPM PPW Carbon 13 NMA 18. 1. Provide degrees of...
Spectra-given structures consist with the spectra in the following problem. Justify your structure by assigning characteristics...
Spectra-given structures consist with the spectra in
the following problem. Justify your structure by assigning
characteristics of the spectura to the structure.please help I have
no idea how to do this. please show all work thank you.
MFC5H8Oz MW 100 % с 60.0 %H 8.0 108 90 Mass Spec. Data 60 relative m/z abund. 15 16 27 8 29 8 43 100 57 8 58 9 40 28 2580 2008 1500 1880 4000 35 WAVENUMBERS Copyright C 1994 3H 1502...
7. Consider the IR, 'H-NMR and C-NMR spectra of the compound with MFC,1,0, Identify the structure...
7. Consider the IR, 'H-NMR and C-NMR spectra of the compound with MFC,1,0, Identify the structure of the unknown compound MP pls MW 114 *C 73.6 WW 124 Mass Spee, D relativ mix bund, 27 71 74 LESTE WVELDEN Copyright © 1994 래 TTTT 2.0 3.0 Proton NMR 1.5 1.0 PPM MITTIT 200 TTI TITTI 80 60 40 20 PPM 0 180 160 Y 120 140 100 Carbon 13 NMA 8. Consider the IR, 'H-NMR and 13C-NMR spectra of the...
4. Sets of spectra are given for an unknown on the next page. For each spectrum list the structural characteristics you find. Using these features propose a structure for t and verify the propos...
4. Sets of spectra are given for an unknown on the next page. For each spectrum list the structural characteristics you find. Using these features propose a structure for t and verify the proposal for the major features of each spectrum. (12) the compou IR: 'H NMR: 1BC NMR Proposed Structure: MS: w 137 C 70.0 Maas Spec. Data S 1 1u8 10 เรา59 3H 2H 2H 2H 2H PPM Proton PPW 140 20 Carbon 13 NHR
4. Sets of...
(15 + 11 + 4 pts, 30 pts total) 18-20. Spectroscopy: Analyze the spectroscopic data provided....
(15 + 11 + 4 pts, 30 pts total) 18-20. Spectroscopy: Analyze the spectroscopic data provided. (Student may ignore the MS data.) (15 pts) 18. 1. Provide degrees of unsaturation 2. Identify the IR peaks of interest. 3. Analyze, appropriately and sufficiently, the NMR peaks of interest. 4. Provide the structure. 5. Appropriately, identify the carbon-13 peaks, as alkyl, alkenyl, alkynyl, aromatic, carbonyl, etc. MF 24° MW m2 SC 64.8 SH64 Mass Spec. Data relative abund 14. 65 76 12...
Spectroscopy Question 1) The following spectra are for a single compound. Determine the chemical formula, degrees...
Spectroscopy Question
1) The following spectra are for a single compound. Determine the chemical formula, degrees of unsaturation and the structure. Clearly correlate your structure's protons, with the proton signals in the 1H NMR, using a Lewis-like structure. MW 136 %C 79.4 %H 8.9 seber Mass Spec. Data relative m/abund. 77 18 79 17 91 12 103 12 105 100 106 28 136 11 w L'esec 14 SCERE she 3H LAVENDERS E 5H D 1H 2H A B с 1H...
Hello, need help trying to get the structure using the NMR's and
IR. Not sure if the empirical formula and molecular formula are
right. I also need to label the NMR's and IR using the structure so
it matches.
เศพ 206 © 1994 ai SH 1.3 .5 There are txo unresoived lines at 45 pps. Proton Carbon 01 140 120 100 13 R
STRUCTURE DETERMINATION PROBLEMS USING IR AND PROTON NMR
SPECTROSCOPY
Determine the structure of the six compounds whose IR and PMR
spectra are provided on the attached sheets, given the following
comments about the provided information and spectra.
PMR Spectra: The PMR spectrum of each compound is provided,
along with peak areas. The peak areas are given as the simples
whole number ratio of protons and are indicated (for exmpale, 4H).
Your final structure must be consistent with the chemical shift...
assign the major absorptions in the IR spectra, assign chemical
shifts in both NMR, designate the parent peak in the mass spectra
data and assign the major fragments to their corresponding peaks,
and finally provide the structure for the formula.
MF CHE MW 68 %C88.2 *H 11.8 Mass Spec. Data relative m/ abund. 21 3H .. Copyright © 1994 Note 'long-range' coupling. T TTTTTTTTTTTTTTTTT 2.4 2.2 2.0 Proton NMR 1.8 1.6 1.4 1.0 0.8 PPM Carbon 13 NMR
MF C12H1404 MW 222 *C 64.8 %H 6.4 TRETTANCE cer 144.72 11? 18426 Mass Spec. Data relative m/z abund. 50 8 65 12 76 14 93 10 104 9 105 11 149 100 150 176 10 177 21 744.62 1967.70 1 3 2500 AVENUMBERS 1000 Copyright © 1994 3H IN Copyright © 1994 3H 2H 1H 1H M 1207077772 Proton NMR 2.0 1.5 PPW 170 166 160 155 136 130 PPM PPW Carbon 13 NMA 18. 1. Provide degrees of...
Spectra-given structures consist with the spectra in
the following problem. Justify your structure by assigning
characteristics of the spectura to the structure.please help I have
no idea how to do this. please show all work thank you.
MFC5H8Oz MW 100 % с 60.0 %H 8.0 108 90 Mass Spec. Data 60 relative m/z abund. 15 16 27 8 29 8 43 100 57 8 58 9 40 28 2580 2008 1500 1880 4000 35 WAVENUMBERS Copyright C 1994 3H 1502...
7. Consider the IR, 'H-NMR and C-NMR spectra of the compound with MFC,1,0, Identify the structure of the unknown compound MP pls MW 114 *C 73.6 WW 124 Mass Spee, D relativ mix bund, 27 71 74 LESTE WVELDEN Copyright © 1994 래 TTTT 2.0 3.0 Proton NMR 1.5 1.0 PPM MITTIT 200 TTI TITTI 80 60 40 20 PPM 0 180 160 Y 120 140 100 Carbon 13 NMA 8. Consider the IR, 'H-NMR and 13C-NMR spectra of the...
4. Sets of spectra are given for an unknown on the next page. For each spectrum list the structural characteristics you find. Using these features propose a structure for t and verify the proposal for the major features of each spectrum. (12) the compou IR: 'H NMR: 1BC NMR Proposed Structure: MS: w 137 C 70.0 Maas Spec. Data S 1 1u8 10 เรา59 3H 2H 2H 2H 2H PPM Proton PPW 140 20 Carbon 13 NHR
4. Sets of...
(15 + 11 + 4 pts, 30 pts total) 18-20. Spectroscopy: Analyze the spectroscopic data provided. (Student may ignore the MS data.) (15 pts) 18. 1. Provide degrees of unsaturation 2. Identify the IR peaks of interest. 3. Analyze, appropriately and sufficiently, the NMR peaks of interest. 4. Provide the structure. 5. Appropriately, identify the carbon-13 peaks, as alkyl, alkenyl, alkynyl, aromatic, carbonyl, etc. MF 24° MW m2 SC 64.8 SH64 Mass Spec. Data relative abund 14. 65 76 12...
Spectroscopy Question
1) The following spectra are for a single compound. Determine the chemical formula, degrees of unsaturation and the structure. Clearly correlate your structure's protons, with the proton signals in the 1H NMR, using a Lewis-like structure. MW 136 %C 79.4 %H 8.9 seber Mass Spec. Data relative m/abund. 77 18 79 17 91 12 103 12 105 100 106 28 136 11 w L'esec 14 SCERE she 3H LAVENDERS E 5H D 1H 2H A B с 1H...
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