(a) Interpretation: The expected ratios of molecules in odd rotational states to even rotational stated for given molecule is to be predicted. Concept introduction: The antisymmetric spin states represent the even rotational states while symmetric spin states represent the odd rotational states. The odd rotational states are calculated by, ( I + 1 ) ( 2 I + 1 ) The even rotational states are calculated by, ( 2 I 2 + I ) Where, • I is the spin of magnitude.

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Answer 1

Question

Chapter 18, Problem 18.32E

Interpretation Introduction

(a)

Interpretation:

The expected ratios of molecules in odd rotational states to even rotational stated for given molecule is to be predicted.

Concept introduction:

The antisymmetric spin states represent the even rotational states while symmetric spin states represent the odd rotational states.

The odd rotational states are calculated by,

(I+1)(2I+1)

The even rotational states are calculated by,

(2I2+I)

Where,

• I is the spin of magnitude.

Interpretation Introduction

(b)

Interpretation:

The expected ratios of molecules in odd rotational states to even rotational stated for given molecule is to be predicted.

Concept introduction:

The antisymmetric spin states represent the even rotational states while symmetric spin states represent the odd rotational states.

The odd rotational states are calculated by,

(I+1)(2I+1)

The even rotational states are calculated by,

(2I2+I)

Where,

• I is the spin of magnitude.

Expert Solution & Answer

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2. Predict the NMR spectra for each of these two compounds by listing, in the NMR tables below, the chemical shift, the splitting, and the number of hydrogens associated with each predicted peak. Sort the peaks from largest chemical shift to lowest. **Not all slots must be filled** Peak Chemical Shift (d) 5.7 1 Multiplicity multiplate .......... 5.04 double of doublet 2 4.98 double of doublet 3 4.05 doublet of quartet 4 5 LO 3.80 quartet 1.3 doublet 6 Peak Chemical Shift (d) Multiplicity

Interpreting NMR spectra is a skill that often requires some amount of practice, which, in turn, necessitates access to a collection of NMR spectra. Beyond Labz Organic Synthesis and Organic Qualitative Analysis have spectral libraries containing over 700 1H NMR spectra. In this assignment, you will take advantage of this by first predicting the NMR spectra for two closely related compounds and then checking your predictions by looking up the actual spectra in the spectra library. After completing this assignment, you may wish to select other compounds for additional practice. 1. Write the IUPAC names for the following two structures: Question 2 Question 3 2. Predict the NMR spectra for each of these two compounds by listing, in the NMR tables below, the chemical shift, the splitting, and the number of hydrogens associated with each predicted peak. Sort the peaks from largest chemical shift to lowest. **Not all slots must be filled**

11:14 ... worksheets.beyondlabz.com 3. To check your predictions, click this link for Interpreting NMR Spectra 1. You will see a list of all the - compounds in the spectra library in alphabetical order by IUPAC name. Hovering over a name in the list will show the structure on the chalkboard. The four buttons on the top of the Spectra tab in the tray are used to select the different spectroscopic techniques for the selected compound. Make sure the NMR button has been selected. 4. Scroll through the list of names to find the names for the two compounds you have been given and click on the name to display the NMR spectrum for each. In the NMR tables below, list the chemical shift, the splitting, and the number of hydrogens associated with each peak for each compound. Compare your answers to your predictions. **Not all slots must be filled** Peak Chemical Shift (d) Multiplicity 1 2 3 4 5

Answer 2

Question

Chapter 18, Problem 18.32E

Interpretation Introduction

(a)

Interpretation:

The expected ratios of molecules in odd rotational states to even rotational stated for given molecule is to be predicted.

Concept introduction:

The antisymmetric spin states represent the even rotational states while symmetric spin states represent the odd rotational states.

The odd rotational states are calculated by,

(I+1)(2I+1)

The even rotational states are calculated by,

(2I2+I)

Where,

• I is the spin of magnitude.

Interpretation Introduction

(b)

Interpretation:

The expected ratios of molecules in odd rotational states to even rotational stated for given molecule is to be predicted.

Concept introduction:

The antisymmetric spin states represent the even rotational states while symmetric spin states represent the odd rotational states.

The odd rotational states are calculated by,

(I+1)(2I+1)

The even rotational states are calculated by,

(2I2+I)

Where,

• I is the spin of magnitude.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 18, Problem 18.32E

Interpretation Introduction

(a)

Interpretation:

The expected ratios of molecules in odd rotational states to even rotational stated for given molecule is to be predicted.

Concept introduction:

The antisymmetric spin states represent the even rotational states while symmetric spin states represent the odd rotational states.

The odd rotational states are calculated by,

(I+1)(2I+1)

The even rotational states are calculated by,

(2I2+I)

Where,

• I is the spin of magnitude.

Interpretation Introduction

(b)

Interpretation:

The expected ratios of molecules in odd rotational states to even rotational stated for given molecule is to be predicted.

Concept introduction:

The antisymmetric spin states represent the even rotational states while symmetric spin states represent the odd rotational states.

The odd rotational states are calculated by,

(I+1)(2I+1)

The even rotational states are calculated by,

(2I2+I)

Where,

• I is the spin of magnitude.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 18, Problem 18.32E

Interpretation Introduction

(a)

Interpretation:

The expected ratios of molecules in odd rotational states to even rotational stated for given molecule is to be predicted.

Concept introduction:

The antisymmetric spin states represent the even rotational states while symmetric spin states represent the odd rotational states.

The odd rotational states are calculated by,

(I+1)(2I+1)

The even rotational states are calculated by,

(2I2+I)

Where,

• I is the spin of magnitude.

Interpretation Introduction

(b)

Interpretation:

The expected ratios of molecules in odd rotational states to even rotational stated for given molecule is to be predicted.

Concept introduction:

The antisymmetric spin states represent the even rotational states while symmetric spin states represent the odd rotational states.

The odd rotational states are calculated by,

(I+1)(2I+1)

The even rotational states are calculated by,

(2I2+I)

Where,

• I is the spin of magnitude.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Chapter 18, Problem 18.32E

Interpretation Introduction

(a)

Interpretation:

The expected ratios of molecules in odd rotational states to even rotational stated for given molecule is to be predicted.

Concept introduction:

The antisymmetric spin states represent the even rotational states while symmetric spin states represent the odd rotational states.

The odd rotational states are calculated by,

(I+1)(2I+1)

The even rotational states are calculated by,

(2I2+I)

Where,

• I is the spin of magnitude.

Interpretation Introduction

(b)

Interpretation:

The expected ratios of molecules in odd rotational states to even rotational stated for given molecule is to be predicted.

Concept introduction:

The antisymmetric spin states represent the even rotational states while symmetric spin states represent the odd rotational states.

The odd rotational states are calculated by,

(I+1)(2I+1)

The even rotational states are calculated by,

(2I2+I)

Where,

• I is the spin of magnitude.

Answer 6

Chapter 18, Problem 18.32E

Interpretation Introduction

(a)

Interpretation:

The expected ratios of molecules in odd rotational states to even rotational stated for given molecule is to be predicted.

Concept introduction:

The antisymmetric spin states represent the even rotational states while symmetric spin states represent the odd rotational states.

The odd rotational states are calculated by,

(I+1)(2I+1)

The even rotational states are calculated by,

(2I2+I)

Where,

• I is the spin of magnitude.

Answer 7

Chapter 18, Problem 18.32E

Interpretation Introduction

(a)

Interpretation:

The expected ratios of molecules in odd rotational states to even rotational stated for given molecule is to be predicted.

Concept introduction:

The antisymmetric spin states represent the even rotational states while symmetric spin states represent the odd rotational states.

The odd rotational states are calculated by,

(I+1)(2I+1)

The even rotational states are calculated by,

(2I2+I)

Where,

• I is the spin of magnitude.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The expected ratios of molecules in odd rotational states to even rotational stated for given molecule is to be predicted.

Concept introduction:

The antisymmetric spin states represent the even rotational states while symmetric spin states represent the odd rotational states.

The odd rotational states are calculated by,

(I+1)(2I+1)

The even rotational states are calculated by,

(2I2+I)

Where,

• I is the spin of magnitude.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The expected ratios of molecules in odd rotational states to even rotational stated for given molecule is to be predicted.

Concept introduction:

The antisymmetric spin states represent the even rotational states while symmetric spin states represent the odd rotational states.

The odd rotational states are calculated by,

(I+1)(2I+1)

The even rotational states are calculated by,

(2I2+I)

Where,

• I is the spin of magnitude.

Answer 10

Expert Solution & Answer

Answer 11

Expert Solution & Answer

Answer 12

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Answer 13

Ch. 18 - Prob. 18.1E Ch. 18 - Prob. 18.2E Ch. 18 - Prob. 18.3E Ch. 18 - Prob. 18.4E Ch. 18 - The following are the first four electronic energy...Ch. 18 - Prob. 18.6E Ch. 18 - Prob. 18.7E Ch. 18 - Prob. 18.8E Ch. 18 - Prob. 18.9E Ch. 18 - Prob. 18.10E

Solution Summary: The author explains the expected ratios of molecules in odd rotational states to even rotationals for a given molecule.

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Chapter 18 Solutions