Construct a simulated 1H NMR spectrum for the given structural formula. Drag the appropriate splitting patterns…
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Question “Construct a simulated 1H NMR spectrum for the given structural formula. Drag the appropriate splitting patterns…”
Construct a simulated 1H NMR spectrum for the given structural
formula. Drag the appropriate splitting patterns to the approximate
chemical shift positions; place the integration values in the small
bins above the associated chemical shift. Splitting patterns and
integrations may be used more than once, or not at all, as needed.
Likewise, some bins might remain blank. Note that peak heights are
arbitrary and do not indicate proton integrations.
Answer
This problem uses the concept of Nuclear magnetic resonance \left( {^{\rm{1}}{\rm{H NMR}}} \right)
First, determine the signal count for the compound. Next, determine the chemical shift between the signals identified in the spectrum.
Nuclear magnetic resonance \left( {^{\bf{1}}{\bf{H NMR}}} \right)
The nuclear magnetic resonance spectroscopy (NMR) is an analytical technique that can be used to determine the molecular structure and quality of any compound.
Chemical shift
It is the difference in frequency between observed proton and protons in solvent/reference. It is the most common solvent in {\rm{NMR}}
Spin multiplicity:
$math_tag_3 is the formula that calculates spin multiplicity.
Interpretation of $math_tag_4
* Identify the different types of signals (protons).
*On the basis of the number of protons in the neighboring carbon, calculate the spin multiplicity.
* Next, identify the chemical shift based on the positions of the peaks.
Some of the chemical shift values for $math_tag_5
The given compound’s structure shows the number of signals as well as the spin multiplicity.
This formula calculates the spin multiplicity for all protons.
Carbon {{\rm{C}}_{\rm{1}}}
For the carbon {{\rm{C}}_2}
For the carbon {{\rm{C}}_2}
The ^{\rm{1}}{\rm{H NMR}}
Highly shielded is the proton of an alcohol group. The chemical shift of protons has a value of approximately $math_tag_10
The carbon \left( {{{\rm{C}}_{\rm{1}}}} \right)
The carbon \left( {{{\rm{C}}_2}} \right)
The carbon \left( {{{\rm{C}}_3}} \right)Ans
The ^{\bf{1}}{\bf{H NMR}} peaks
Conclusion
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