What are some possible structures for this HNMR data? Peak at 5.4 ppm, integration of 1...
What are some possible structures for this HNMR data?
Peak at 5.4 ppm, integration of 1
Peak at 7.4 ppm, integration of 4.4 (probably aromatic hydrogens)
Peak at 8, integration of 1
The molecular mass of the compound is ~212 g/mol.
Homework Answers
Add Answer to:
What are some possible structures for this HNMR data?
Peak at 5.4 ppm, integration of 1...
Determin the structures of the following compounds given the following 1H-NMR data sets. The molecular formula...
Determin the structures of the following compounds given the
following 1H-NMR data sets. The molecular formula for these
consisutional isomers is C4H8O
1. (10 points) Determine the structures of the following compounds given the following 1H-NMR data sets. The molecular formula for these constitutional isomers is: CHO Compound A H 2.5 ppm splitting integration H. 1.8 g 2 H 3.5 q 2 Ha 4.5 р 1 H 4.8 t (dd) 1 HI 4.8 t (dd) 1 t 1 Compound B...
please can some one expalin how to get the molecular fomular and hnmr, cnmr Compound 8:...
please can some one expalin how to get the molecular fomular
and hnmr, cnmr
Compound 8: Use the information provided below and the IR and NMR spectra on the next page to answer the following questions. 1) An MS was taken of compound 8 and the table is given below. Determine the molecular formula of 8 from the MS given below. relative m/z abundance 100 117 4.4 116 k) Calculate the Index of Hydrogen Deficiency/Degree of Unsaturation for the molecule...
provide the structure for number 3. give explanation for what could give the particular bit of...
provide the structure for number 3. give explanation for what
could give the particular bit of information for problem 4.
3) (5 pts) HNMR. For the HNMR pro formula is CH 02- RNMR. For the HNMR provided below. give a reasonable structure. The molecular 4) (10 pts) Telltale data signals. For each of the signals below, give a reasonable explanation for what could give that particular bit of information. HNMR 8 of 2.1-2.3 ppm: C13-NMR 8 of 190-220 ppm: MS...
7. Which compound below be H-1 NMR 0.9 ppm (quartet fits the following spectral data? (6...
7. Which compound below be H-1 NMR 0.9 ppm (quartet fits the following spectral data? (6 points) 1.2 ppm (sextet 2 hydrogens), 2.1 ppm (triplet, hydrogens), 4.3 ppm (singlet 3 hydrogens) C-13 NMR 5 signals 25 ppr ppm (CH2); 61 ppm: (CH3) 198 Ppm (C). IR strong peak 1735 cm Ignals 25 ppm (CH): 35 ppm (CH2), 46 ppm (CH2); 61 ppm: em Mass Spee parent M+ = 102 Mass Spec paren ou 0 H2 CH3 HjC Holo H3C- CC...
2. For the following isotopic peak data, determine the molecular formula, calculate the degrees of unsaturation,...
2. For the following isotopic peak data, determine the molecular
formula, calculate the degrees of unsaturation, and propose one
possible structure:
2. For the following isotopic peak data, determine the molecular formula, calculate the degrees of unsaturation, and propose one possible structure: Peak Mass Relative Formula DOU Structure (MZ) Height (M)+. 87.105 100.0% (M+1)+. 88.108 5.4% The (M)" peak is an odd number. What does this tell you? B. Peak Formula DOU Structure Mass (MZ) Relative Height (M]+. 100.089 100.0%...
Please include the following information allow with the molecular structure of the unknown compound: 1. IR-Include...
Please include the following information allow with the
molecular structure of the unknown compound:
1. IR-Include the major peaks and indicate the stretch
wavenumber and what bond it is.
2. UV-VIs- If there is a lambda max given, please briefly
indicate what structural element is contributing to it.
3. HNMR-Include proton label, chemical shift, multiplicity, and
integration.
4. CNMR- include the carbon label and the chemical shift.
Some additional information about the unknown compound:
Iodoform Test: Clear solution
Chromic Acid...
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...
molecule is C11H14O. I need the most help with UOU, what could be present based on the molecular formula, etc. H NMR Spctrum 1ず Molecular Formula· c.:Ha«O Infrared Spectrum Compound 'B Molecular...
molecule is C11H14O. I need
the most help with UOU, what could be present based on the
molecular formula, etc.
H NMR Spctrum 1ず Molecular Formula· c.:Ha«O Infrared Spectrum Compound 'B Molecular Formula CaHi0 3C NMR Spectrum Molecular Formula: CaH. 11 10 9 8 7 2 4 ppm 6H Molecular Formula known to be C11H140 Instructions: 1. 2. UOU and MF analysis: show how the uou value reinforces proposed structure 3. Infrared spectrum- what signals confirm functional groups & what...
9. Assign structures to compounds A through E on the basis of the spectral data given....
9. Assign structures to compounds A through E on the basis of the spectral data given. Clearly explain your reasons for making each assignment. d) Compound D: CH1002 NMR SPECTRUM TH NMR Spectrum (400 MHz, CDCI, solution) expansion 7.2 7.0 ppm TMS 10 9 8 7 6 5 4 3 2 1 shem 8 (ppm) IR SPECTRUM IR Spectrum (liquid film) 1760 4000 3000 1200 800 2000 v (cm 1600 ) Mass Spectrum and UV absorptions 108 Mass Spectrum UV...
7. Which compound below best fits the following spectral data? 8. How many signals would you...
7. Which compound below best fits the following
spectral data?
8. How many signals would you expect to see in the
broadband decoupled C^13 spectra of the following compounds?
9. If a proton gave an NMR signal at 3.2 ppm on a MHz
NMR, what would the chemical shift be of this proton (in ppm) if
the sample was run in 400 MHz NMR?
7. Which compound below best fits the following spectral data? (6 points) H-1 NMR 0.9 ppm...
Determin the structures of the following compounds given the
following 1H-NMR data sets. The molecular formula for these
consisutional isomers is C4H8O
1. (10 points) Determine the structures of the following compounds given the following 1H-NMR data sets. The molecular formula for these constitutional isomers is: CHO Compound A H 2.5 ppm splitting integration H. 1.8 g 2 H 3.5 q 2 Ha 4.5 р 1 H 4.8 t (dd) 1 HI 4.8 t (dd) 1 t 1 Compound B...
please can some one expalin how to get the molecular fomular
and hnmr, cnmr
Compound 8: Use the information provided below and the IR and NMR spectra on the next page to answer the following questions. 1) An MS was taken of compound 8 and the table is given below. Determine the molecular formula of 8 from the MS given below. relative m/z abundance 100 117 4.4 116 k) Calculate the Index of Hydrogen Deficiency/Degree of Unsaturation for the molecule...
provide the structure for number 3. give explanation for what
could give the particular bit of information for problem 4.
3) (5 pts) HNMR. For the HNMR pro formula is CH 02- RNMR. For the HNMR provided below. give a reasonable structure. The molecular 4) (10 pts) Telltale data signals. For each of the signals below, give a reasonable explanation for what could give that particular bit of information. HNMR 8 of 2.1-2.3 ppm: C13-NMR 8 of 190-220 ppm: MS...
7. Which compound below be H-1 NMR 0.9 ppm (quartet fits the following spectral data? (6 points) 1.2 ppm (sextet 2 hydrogens), 2.1 ppm (triplet, hydrogens), 4.3 ppm (singlet 3 hydrogens) C-13 NMR 5 signals 25 ppr ppm (CH2); 61 ppm: (CH3) 198 Ppm (C). IR strong peak 1735 cm Ignals 25 ppm (CH): 35 ppm (CH2), 46 ppm (CH2); 61 ppm: em Mass Spee parent M+ = 102 Mass Spec paren ou 0 H2 CH3 HjC Holo H3C- CC...
2. For the following isotopic peak data, determine the molecular
formula, calculate the degrees of unsaturation, and propose one
possible structure:
2. For the following isotopic peak data, determine the molecular formula, calculate the degrees of unsaturation, and propose one possible structure: Peak Mass Relative Formula DOU Structure (MZ) Height (M)+. 87.105 100.0% (M+1)+. 88.108 5.4% The (M)" peak is an odd number. What does this tell you? B. Peak Formula DOU Structure Mass (MZ) Relative Height (M]+. 100.089 100.0%...
Please include the following information allow with the
molecular structure of the unknown compound:
1. IR-Include the major peaks and indicate the stretch
wavenumber and what bond it is.
2. UV-VIs- If there is a lambda max given, please briefly
indicate what structural element is contributing to it.
3. HNMR-Include proton label, chemical shift, multiplicity, and
integration.
4. CNMR- include the carbon label and the chemical shift.
Some additional information about the unknown compound:
Iodoform Test: Clear solution
Chromic Acid...
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...
molecule is C11H14O. I need
the most help with UOU, what could be present based on the
molecular formula, etc.
H NMR Spctrum 1ず Molecular Formula· c.:Ha«O Infrared Spectrum Compound 'B Molecular Formula CaHi0 3C NMR Spectrum Molecular Formula: CaH. 11 10 9 8 7 2 4 ppm 6H Molecular Formula known to be C11H140 Instructions: 1. 2. UOU and MF analysis: show how the uou value reinforces proposed structure 3. Infrared spectrum- what signals confirm functional groups & what...
9. Assign structures to compounds A through E on the basis of the spectral data given. Clearly explain your reasons for making each assignment. d) Compound D: CH1002 NMR SPECTRUM TH NMR Spectrum (400 MHz, CDCI, solution) expansion 7.2 7.0 ppm TMS 10 9 8 7 6 5 4 3 2 1 shem 8 (ppm) IR SPECTRUM IR Spectrum (liquid film) 1760 4000 3000 1200 800 2000 v (cm 1600 ) Mass Spectrum and UV absorptions 108 Mass Spectrum UV...
7. Which compound below best fits the following
spectral data?
8. How many signals would you expect to see in the
broadband decoupled C^13 spectra of the following compounds?
9. If a proton gave an NMR signal at 3.2 ppm on a MHz
NMR, what would the chemical shift be of this proton (in ppm) if
the sample was run in 400 MHz NMR?
7. Which compound below best fits the following spectral data? (6 points) H-1 NMR 0.9 ppm...
Most questions answered within 3 hours.
-
For python 3.7. This should only be a few lines if any, but for
some reason...
asked 4 minutes ago -
what is IoT? How is it being used today? How will it be used in
the...
asked 17 minutes ago -
Please answer the four questions below.
1. If you were going to test a method that...
asked 32 minutes ago -
Provide two or three examples of support he uses to reinforce
his arguments?
The Alienation of...
asked 39 minutes ago -
QUESTION 1
Why do we see terms with multiple names in the database
community?
Consistency is...
asked 34 minutes ago -
In a titration experiment, 11.5 mL of 0.400 M H2SO4 neutralized
48.0 mL of NaOH. What...
asked 39 minutes ago -
A shot-putter throws the shot with a horizontal velocity of 10
m/s and a
vertical velocity...
asked 54 minutes ago -
Mildred sells industrial-sized refrigeration units. Her
prospective buyer's face looks tense, and his forehead is wrinkled....
asked 56 minutes ago -
Clark Heter is an industrial engineer at Lyons Products. He
would like to determine whether there...
asked 1 hour ago -
3. Use a text editor to create a comma-delimited file of user
IDs and passwords. Revise...
asked 1 hour ago -
Jensen and Associates has a projected balance
sheet that includes the following accounts. What is the...
asked 1 hour ago -
implement a doubly-linked list in C. Each node in the linked list should contain a string,...
asked 1 hour ago