Homework Answers
a) The molecule C6H8O2 is linear molecule
hence degrees of freedom = 3N-5 = 3 * 16 - 5 = 43
b) The molecule based on the above spectral data is 1,4, cyclohexanedione. the molecular ion peak ( M+) 112 is clearly visible.
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consider an unknown compound with the following molecular
formula and spectral data:
4. Consider an unknown...
thanks for the help! Consider an unknown compound with the following molecular formula and spectral data:...
thanks for the help!
Consider an unknown compound with the following molecular formula and spectral data: CH3O2 a. Calculate the degrees of unsaturation for the formula. b. Draw a structure consistent with the spectral data. IR Spectrum CHO, 4000 3000 1800 1200 800 8 Mass Spectrum M12 8 8 No significant UV absorption above 220 mm 9 C6H802 240 220 40 80 120 160 200 13C NMR Spectrum (100 MHE, COCI, DEPT со сно сне prolon de coupled 200 TH...
) A compound with molecular formula CxH 1403 displays the following spectral data. Propose a structure...
) A compound with molecular formula CxH 1403 displays the following spectral data. Propose a structure for this compound in the box at the bottom of the page. Peak assignments written on the spectra may be worth partial credit. (5 marks) r IR Spectrum liquid film) 1735 1717 4000 3000 1200 800 2000 1600 V (cm) 13C NMR Spectrum (100 MHz, CDCI, solution) DEPT CHI Chit Cht solvent proton decoupled 100 no Sloml proton decoupled 200 160 120 80 40...
An unknow compound has the molecular formula C5H10O2 has the IR spectrum, and the RMN-^1H show...
An unknow compound has the molecular formula C5H10O2 has the IR
spectrum, and the RMN-^1H show below.
a) Propose a structure that is consistent withthe information
provided.
b) Assign all signals in the spectrum of RMN-^1H.
c) Assign at least two bands of the IR spectrum. Note :
Remember determine the degrees of unsaturation of the
compound.
Yave Number, cm 4000 2000 2500 2000 1500 1200 1200 1100 1000 LLLLLLLLLL 100 Absorbance Wavelength, microns
Based on the following spectroscopic data of an unknown compound with molecular formula C8H6S, (i) determine...
Based on the following
spectroscopic data of an unknown compound with molecular formula
C8H6S, (i) determine the chemical structure of this compound; (ii)
assign all the signals in the 1H-NMR spectrum & 13C-NMR
spectrum. NMR is complete
۳۳-۳-rr-T-------- IR Spectrum (KBr disc) 4000 3000 1200 800 2000 1600 V (cm) M ** = 13 Mass Spectrum بالليليللليلعليا % of base peak CgHES 40 80 200 240 280 120 m 160 /e 13C NMR Spectrum (100.0 MHz, CDCI, solution) expansion DEPT...
5. The spectral data provided below are for a compound with a molecular weight of 1 94 g/mol. Outline your interpre...
5. The spectral data provided below are for a compound with a molecular weight of 1 94 g/mol. Outline your interpretation of the data in point form and from your points, propose a structure consistent with the spectral data provided IR Spectrum (quid fim) 1712 1277 1254 L.... 800 2000 1600 V (cm) 1200 4000 3000 C NMR Spectrum Resolves into two signals at higher feld solvent proton decoupled o 8(ppm) 160 120 80 40 200 H NMR Spectrum (200...
solve for the unknown molecular structure. #2 IR Spectrum iquid m 1740 2000 v (em) 800...
solve for the unknown molecular structure.
#2 IR Spectrum iquid m 1740 2000 v (em) 800 3000 1600 1200 4000 100 Mass Spectrum 80 No significant UV absorption above 220 nm 5e M116 (1%) 73 C&H1202 120 160 m/e 40 80 200 240 280 13C NMR Spectrum (20.0 MHz, CDa, solution) -CH C-H -CH TMS solvent proton decoupled 200 160 120 80 40 8 (ppm) H NMR Spectrum (100 MHr, CDC, soluon) 20 Hz aas pom 192 ppm 0.03 Pem...
b. An unknown compound has the molecular formula ChHsO2. Draw a structure of the unknown that...
b. An unknown compound has the molecular formula ChHsO2. Draw a structure of the unknown that is consistent with the IR spectrum below. Label the peaks on the spectra with the corresponding functional groups that you used to determine your structure. 100 50 2008 1000 580 4000 2000
Deduce the following structure of the compound given their IR, H1 NMR, 13C NMR spectra, and...
Deduce the following structure of the compound given their IR, H1
NMR, 13C NMR spectra, and assign IR functional group absorptions
and assign the structure's protons and carbons to their respective
spectral resonances.
Compound 6 1756 IR Spectrum uid Sm) 15820 4000 3000 2000 1600 1200 800 V (cm) 100 55 Mass Spectrum 71 80 70 60 No significant UV M158 (1%) absorption above 220 nm C&H140s 40 80 120 160 200 240 280 m/e 13C NMR Spectrum (50.0 MHz,...
Deduce the following structure of the compound given their IR, H1 NMR, 13C NMR spectra, and...
Deduce the following structure of the compound given their IR, H1
NMR, 13C NMR spectra, and assign IR functional group absorptions
and assign the structure's protons and carbons to their respective
spectral resonances.
Compound 4 Da- U6)+20 IR Spectrum Oquid fim) 1760 800 1200 2000 1600 3000 4000 v (cm) Mass Spectrum 100 43 No significant UV absorption above 220 nm M146 (1% ) 87 20 CH1004 280 40 80 120 m/e 160 200 240 13C NMR Spectrum (1000 MHz,...
help me with the structure please i can't find the right structure. please help IR Spectrum...
help me with the structure please
i can't find the right structure. please help
IR Spectrum ad 4000 2000 1800 1200 800 Mass Spectrum CHO 280 40 60 120 160 200 240 mle 13C NMR Spectrum (50.0 MH2 CDC, son WA DEPT CH CH. CH proton decoupled 200 16012080 400 (ppm) 'H NMR Spectrum (200 M CDO, O 10 9 8 7 6 5 4 3 2 6 (ppm) IR Spectrum udim 4000 3000 2000 1800 1200 300 Mass Spectrum...
thanks for the help!
Consider an unknown compound with the following molecular formula and spectral data: CH3O2 a. Calculate the degrees of unsaturation for the formula. b. Draw a structure consistent with the spectral data. IR Spectrum CHO, 4000 3000 1800 1200 800 8 Mass Spectrum M12 8 8 No significant UV absorption above 220 mm 9 C6H802 240 220 40 80 120 160 200 13C NMR Spectrum (100 MHE, COCI, DEPT со сно сне prolon de coupled 200 TH...
) A compound with molecular formula CxH 1403 displays the following spectral data. Propose a structure for this compound in the box at the bottom of the page. Peak assignments written on the spectra may be worth partial credit. (5 marks) r IR Spectrum liquid film) 1735 1717 4000 3000 1200 800 2000 1600 V (cm) 13C NMR Spectrum (100 MHz, CDCI, solution) DEPT CHI Chit Cht solvent proton decoupled 100 no Sloml proton decoupled 200 160 120 80 40...
An unknow compound has the molecular formula C5H10O2 has the IR
spectrum, and the RMN-^1H show below.
a) Propose a structure that is consistent withthe information
provided.
b) Assign all signals in the spectrum of RMN-^1H.
c) Assign at least two bands of the IR spectrum. Note :
Remember determine the degrees of unsaturation of the
compound.
Yave Number, cm 4000 2000 2500 2000 1500 1200 1200 1100 1000 LLLLLLLLLL 100 Absorbance Wavelength, microns
Based on the following
spectroscopic data of an unknown compound with molecular formula
C8H6S, (i) determine the chemical structure of this compound; (ii)
assign all the signals in the 1H-NMR spectrum & 13C-NMR
spectrum. NMR is complete
۳۳-۳-rr-T-------- IR Spectrum (KBr disc) 4000 3000 1200 800 2000 1600 V (cm) M ** = 13 Mass Spectrum بالليليللليلعليا % of base peak CgHES 40 80 200 240 280 120 m 160 /e 13C NMR Spectrum (100.0 MHz, CDCI, solution) expansion DEPT...
5. The spectral data provided below are for a compound with a molecular weight of 1 94 g/mol. Outline your interpretation of the data in point form and from your points, propose a structure consistent with the spectral data provided IR Spectrum (quid fim) 1712 1277 1254 L.... 800 2000 1600 V (cm) 1200 4000 3000 C NMR Spectrum Resolves into two signals at higher feld solvent proton decoupled o 8(ppm) 160 120 80 40 200 H NMR Spectrum (200...
solve for the unknown molecular structure.
#2 IR Spectrum iquid m 1740 2000 v (em) 800 3000 1600 1200 4000 100 Mass Spectrum 80 No significant UV absorption above 220 nm 5e M116 (1%) 73 C&H1202 120 160 m/e 40 80 200 240 280 13C NMR Spectrum (20.0 MHz, CDa, solution) -CH C-H -CH TMS solvent proton decoupled 200 160 120 80 40 8 (ppm) H NMR Spectrum (100 MHr, CDC, soluon) 20 Hz aas pom 192 ppm 0.03 Pem...
b. An unknown compound has the molecular formula ChHsO2. Draw a structure of the unknown that is consistent with the IR spectrum below. Label the peaks on the spectra with the corresponding functional groups that you used to determine your structure. 100 50 2008 1000 580 4000 2000
Deduce the following structure of the compound given their IR, H1
NMR, 13C NMR spectra, and assign IR functional group absorptions
and assign the structure's protons and carbons to their respective
spectral resonances.
Compound 6 1756 IR Spectrum uid Sm) 15820 4000 3000 2000 1600 1200 800 V (cm) 100 55 Mass Spectrum 71 80 70 60 No significant UV M158 (1%) absorption above 220 nm C&H140s 40 80 120 160 200 240 280 m/e 13C NMR Spectrum (50.0 MHz,...
Deduce the following structure of the compound given their IR, H1
NMR, 13C NMR spectra, and assign IR functional group absorptions
and assign the structure's protons and carbons to their respective
spectral resonances.
Compound 4 Da- U6)+20 IR Spectrum Oquid fim) 1760 800 1200 2000 1600 3000 4000 v (cm) Mass Spectrum 100 43 No significant UV absorption above 220 nm M146 (1% ) 87 20 CH1004 280 40 80 120 m/e 160 200 240 13C NMR Spectrum (1000 MHz,...
help me with the structure please
i can't find the right structure. please help
IR Spectrum ad 4000 2000 1800 1200 800 Mass Spectrum CHO 280 40 60 120 160 200 240 mle 13C NMR Spectrum (50.0 MH2 CDC, son WA DEPT CH CH. CH proton decoupled 200 16012080 400 (ppm) 'H NMR Spectrum (200 M CDO, O 10 9 8 7 6 5 4 3 2 6 (ppm) IR Spectrum udim 4000 3000 2000 1800 1200 300 Mass Spectrum...
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