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Provide the structural formula based on the spectra
#8 ЗН ЗН 4.2 4.0 2H 1Н 1Н...
spectral problem its all one problem 1) identify the compounds for each group of spectra (mass,...
spectral problem its all one problem
1) identify the compounds for each group of spectra (mass,
proton, carbon and IR)
2) assign the proton and carbon and IR spectra. identify at
least two possible fragmentation on the mass spectrum
ЗН 1Н 20 200 180 160 140 120 100 во со 40 20 C 69.8; H = 11.6; 20 = 18.6 100 MS-N-0051 10 20 30 40 50 60 70 TTTTTTTTT 80 90
spectral problem its all one problem 1) identify the compounds for each group of spectra (mass,...
spectral problem its all one problem
1) identify the compounds for each group of spectra (mass,
proton, carbon and IR)
2) assign the proton and carbon and IR spectra. identify at
least two possible fragmentation on the mass spectrum
the
values is whats there from the 3rd graph thats all i was
given
#8 1H 5.5 5.0 20 ag 200 180 160 140 120 100 80 0 40 20 C-69.8: H-11.6 -18.6 100 - MS-W-11 80 60 40- 20- 10...
spectral problem its all one problem 1) identify the compounds for each group of spectra (mass,...
spectral problem its all one problem
1) identify the compounds for each group of spectra (mass,
proton, carbon and IR)
2) assign the proton and carbon and IR spectra. identify at
least two possible fragmentation on the mass spectrum
#12 HINT FOR PROTON: The Hat 6.5 ppm is adjacent to 2 H of different types (not 3 H of the same type). 10 1Н 1н Тінін | 180 140 40 200 160 120 100 200 80 FC = 62.5; SH...
Propose a reasonable structure for this compound based on the mass spec, IR, and NMR data....
Propose a reasonable structure for this compound based on the mass spec, IR, and NMR data. 100 Relative Intensity M+ 10 20 30 40 60 70 80 90 50 m/z LUU TRINETTRICET 4000 3000 2000 cm1 1500 1000 500 ЗН Зн 2H тттттттттттттттттт 11 10 9 8 7 6 5 4 ppm 200 180 160 140 120 80 60 40 20 100 ppm
A variety of spectra for an organic compound with molecular formula C10H16O are presented below. The experimental accurate mass using (+) APCI source is 153.1280 u. The 1H, 13C, COSY, HSQC and HMBC NM...
A variety of spectra for an organic compound with molecular
formula C10H16O are presented below. The
experimental accurate mass using (+) APCI source is 153.1280 u. The
1H, 13C, COSY, HSQC and HMBC NMR spectra are given in the following
slides. Propose a structure for this unknown and answer or address
the following questions or requirements:
a. Using the most abundant isotopes of C, H and O, what are the
errors in ppm and milli-Daltons for the experimental accurate
mass?...
Please help me find the unknown structure, Thanks. Unknown 261H-NMR Spectra 3.3 ppm 4-0 4.5 4.0...
Please help me find the unknown structure, Thanks.
Unknown 261H-NMR Spectra 3.3 ppm 4-0 4.5 4.0 3.5 3.4 2.5 2.0 .0 .s a. 3.00 Unknown 26 - 13C-NMR Spectrum 32 34 28 24 20 14 ppm 60 40 200 180 160 140 120 100 20 Unknown 26 IR and Mass Spectra 100 80 40 20 50 75 100 125 m/z 2500 WAVENUMBER [cm-1] 1500 3500 2000 1000 4000 3000 500 TRANSMITTANCE %] Raufive hitensity 06 7 Unknown 26 1H-NMR Spectra...
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...
spectral problem its all one problem 1) identify the compounds for each group of spectra (mass,...
spectral problem its all one problem
1) identify the compounds for each group of spectra (mass,
proton, carbon and IR)
2) assign the proton and carbon and IR spectra. identify at
least two possible fragmentation on the mass spectrum
#5 Зн 2H 4.0 3.5 20 10 200 180 160 140 120 100 во 60 40 20 MI - 137 (SC - 35.0; H = 6.6; Br. 58.4) 100- - -0164 60- 0- TTTT TTTTTTTTT 25 50 100 125
spectral problem its all one problem 1) identify the compounds for each group of spectra (mass,...
spectral problem its all one problem
1) identify the compounds for each group of spectra (mass,
proton, carbon and IR)
2) assign the proton and carbon and IR spectra. identify at
least two possible fragmentation on the mass spectrum
#9 2H 2H ddd 200 180 160 140 120 100 80 60 40 20 SEC=81.1: H-8.1; 90 = 10.8 100- PES-NU-4025 60 40 20 - Other 50 75 100 125 150 R-C-C-CR MAVENUME ERI-1
Based on these three spectra, draw the compound. Which NMR signals are the most important, and...
Based on these three spectra, draw the compound. Which NMR
signals are the most important, and how/what do they show?
100 BRUKER 90 80 70 Transmittance [%] 60 50 40 30 2872.78 1369.32 SY 3500 3000 2500 Wavenumber cm-1 1500 1000 500 M 108 Relative htensity 3 20 30 40 50 60 70 80 90 m/ 100 110 4658 -2.322
spectral problem its all one problem
1) identify the compounds for each group of spectra (mass,
proton, carbon and IR)
2) assign the proton and carbon and IR spectra. identify at
least two possible fragmentation on the mass spectrum
ЗН 1Н 20 200 180 160 140 120 100 во со 40 20 C 69.8; H = 11.6; 20 = 18.6 100 MS-N-0051 10 20 30 40 50 60 70 TTTTTTTTT 80 90
spectral problem its all one problem
1) identify the compounds for each group of spectra (mass,
proton, carbon and IR)
2) assign the proton and carbon and IR spectra. identify at
least two possible fragmentation on the mass spectrum
the
values is whats there from the 3rd graph thats all i was
given
#8 1H 5.5 5.0 20 ag 200 180 160 140 120 100 80 0 40 20 C-69.8: H-11.6 -18.6 100 - MS-W-11 80 60 40- 20- 10...
spectral problem its all one problem
1) identify the compounds for each group of spectra (mass,
proton, carbon and IR)
2) assign the proton and carbon and IR spectra. identify at
least two possible fragmentation on the mass spectrum
#12 HINT FOR PROTON: The Hat 6.5 ppm is adjacent to 2 H of different types (not 3 H of the same type). 10 1Н 1н Тінін | 180 140 40 200 160 120 100 200 80 FC = 62.5; SH...
Propose a reasonable structure for this compound based on the mass spec, IR, and NMR data. 100 Relative Intensity M+ 10 20 30 40 60 70 80 90 50 m/z LUU TRINETTRICET 4000 3000 2000 cm1 1500 1000 500 ЗН Зн 2H тттттттттттттттттт 11 10 9 8 7 6 5 4 ppm 200 180 160 140 120 80 60 40 20 100 ppm
A variety of spectra for an organic compound with molecular
formula C10H16O are presented below. The
experimental accurate mass using (+) APCI source is 153.1280 u. The
1H, 13C, COSY, HSQC and HMBC NMR spectra are given in the following
slides. Propose a structure for this unknown and answer or address
the following questions or requirements:
a. Using the most abundant isotopes of C, H and O, what are the
errors in ppm and milli-Daltons for the experimental accurate
mass?...
Please help me find the unknown structure, Thanks.
Unknown 261H-NMR Spectra 3.3 ppm 4-0 4.5 4.0 3.5 3.4 2.5 2.0 .0 .s a. 3.00 Unknown 26 - 13C-NMR Spectrum 32 34 28 24 20 14 ppm 60 40 200 180 160 140 120 100 20 Unknown 26 IR and Mass Spectra 100 80 40 20 50 75 100 125 m/z 2500 WAVENUMBER [cm-1] 1500 3500 2000 1000 4000 3000 500 TRANSMITTANCE %] Raufive hitensity 06 7 Unknown 26 1H-NMR Spectra...
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...
spectral problem its all one problem
1) identify the compounds for each group of spectra (mass,
proton, carbon and IR)
2) assign the proton and carbon and IR spectra. identify at
least two possible fragmentation on the mass spectrum
#5 Зн 2H 4.0 3.5 20 10 200 180 160 140 120 100 во 60 40 20 MI - 137 (SC - 35.0; H = 6.6; Br. 58.4) 100- - -0164 60- 0- TTTT TTTTTTTTT 25 50 100 125
spectral problem its all one problem
1) identify the compounds for each group of spectra (mass,
proton, carbon and IR)
2) assign the proton and carbon and IR spectra. identify at
least two possible fragmentation on the mass spectrum
#9 2H 2H ddd 200 180 160 140 120 100 80 60 40 20 SEC=81.1: H-8.1; 90 = 10.8 100- PES-NU-4025 60 40 20 - Other 50 75 100 125 150 R-C-C-CR MAVENUME ERI-1
Based on these three spectra, draw the compound. Which NMR
signals are the most important, and how/what do they show?
100 BRUKER 90 80 70 Transmittance [%] 60 50 40 30 2872.78 1369.32 SY 3500 3000 2500 Wavenumber cm-1 1500 1000 500 M 108 Relative htensity 3 20 30 40 50 60 70 80 90 m/ 100 110 4658 -2.322
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