The relative energy levels of the seven Ï€ molecular orbitals of cycloheptatrienyl system are to be show. How these seven orbitals are filled in the cation, radical and anion is to be indicated. Further the aromatic character of the cycloheptatrienyl cation is to be explained. Concept introduction: The number of molecular orbitals formed is equal to the number of orbitals overlapping. The available orbitals are filled by the electrons in the increasing order of their energies. Each moleclar orbital can accommodate two electrons with opposite spin. Electrons occupy the orbitals individually first before they get paired in the same orbital. The cycloheptatrienyl cation has six electrons to be filled in molecular orbitals. The cycloheptatrienyl radical has seven electrons to be filled in molecular orbitals. The cycloheptatrienyl anion has eight electrons to be filled in molecular orbitals. To show: The relative energy levels of the seven Ï€ molecular orbitals of cycloheptatrienyl system. To indicate: How these seven orbitals are filled in the cation, radical and anion. To explain: The aromatic character of the cycloheptatrienyl cation.

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Answer 1

Question

Definition Definition Rule that estimates whether a given organic planar ring structure will show an aromatic property. A cyclic ring molecule is said to follow Hückel’s rule if the л-electrons count in a molecule is [4n+2], where n stands for a positive numerical value. It is also called the [4n+2] rule. Hückel's rule, sometimes referred to as the aromaticity rule, is one but not the only criteria to judge a molecule for aromaticity.

Chapter 15.SE, Problem 45AP

Interpretation Introduction

Interpretation:

The relative energy levels of the seven Ï€ molecular orbitals of cycloheptatrienyl system are to be show. How these seven orbitals are filled in the cation, radical and anion is to be indicated. Further the aromatic character of the cycloheptatrienyl cation is to be explained.

Concept introduction:

The number of molecular orbitals formed is equal to the number of orbitals overlapping. The available orbitals are filled by the electrons in the increasing order of their energies. Each moleclar orbital can accommodate two electrons with opposite spin. Electrons occupy the orbitals individually first before they get paired in the same orbital.

The cycloheptatrienyl cation has six electrons to be filled in molecular orbitals.

The cycloheptatrienyl radical has seven electrons to be filled in molecular orbitals.

The cycloheptatrienyl anion has eight electrons to be filled in molecular orbitals.

To show:

The relative energy levels of the seven Ï€ molecular orbitals of cycloheptatrienyl system.

To indicate:

How these seven orbitals are filled in the cation, radical and anion.

To explain:

The aromatic character of the cycloheptatrienyl cation.

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the rotational constant of HI is 6.511 cm-1. (i)What is the characteristic rotational temperature of HI? (ii) Evaluate the rotational partition function and the mean rotational energy of HI at 298K. Note that T=298K is much larger than the characteristic rotational temperature of HI.

Answer 2

Question

Definition Definition Rule that estimates whether a given organic planar ring structure will show an aromatic property. A cyclic ring molecule is said to follow Hückel’s rule if the л-electrons count in a molecule is [4n+2], where n stands for a positive numerical value. It is also called the [4n+2] rule. Hückel's rule, sometimes referred to as the aromaticity rule, is one but not the only criteria to judge a molecule for aromaticity.

Chapter 15.SE, Problem 45AP

Interpretation Introduction

Interpretation:

The relative energy levels of the seven Ï€ molecular orbitals of cycloheptatrienyl system are to be show. How these seven orbitals are filled in the cation, radical and anion is to be indicated. Further the aromatic character of the cycloheptatrienyl cation is to be explained.

Concept introduction:

The number of molecular orbitals formed is equal to the number of orbitals overlapping. The available orbitals are filled by the electrons in the increasing order of their energies. Each moleclar orbital can accommodate two electrons with opposite spin. Electrons occupy the orbitals individually first before they get paired in the same orbital.

The cycloheptatrienyl cation has six electrons to be filled in molecular orbitals.

The cycloheptatrienyl radical has seven electrons to be filled in molecular orbitals.

The cycloheptatrienyl anion has eight electrons to be filled in molecular orbitals.

To show:

The relative energy levels of the seven Ï€ molecular orbitals of cycloheptatrienyl system.

To indicate:

How these seven orbitals are filled in the cation, radical and anion.

To explain:

The aromatic character of the cycloheptatrienyl cation.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 3

Question

Definition Definition Rule that estimates whether a given organic planar ring structure will show an aromatic property. A cyclic ring molecule is said to follow Hückel’s rule if the л-electrons count in a molecule is [4n+2], where n stands for a positive numerical value. It is also called the [4n+2] rule. Hückel's rule, sometimes referred to as the aromaticity rule, is one but not the only criteria to judge a molecule for aromaticity.

Chapter 15.SE, Problem 45AP

Interpretation Introduction

Interpretation:

The relative energy levels of the seven Ï€ molecular orbitals of cycloheptatrienyl system are to be show. How these seven orbitals are filled in the cation, radical and anion is to be indicated. Further the aromatic character of the cycloheptatrienyl cation is to be explained.

Concept introduction:

The number of molecular orbitals formed is equal to the number of orbitals overlapping. The available orbitals are filled by the electrons in the increasing order of their energies. Each moleclar orbital can accommodate two electrons with opposite spin. Electrons occupy the orbitals individually first before they get paired in the same orbital.

The cycloheptatrienyl cation has six electrons to be filled in molecular orbitals.

The cycloheptatrienyl radical has seven electrons to be filled in molecular orbitals.

The cycloheptatrienyl anion has eight electrons to be filled in molecular orbitals.

To show:

The relative energy levels of the seven Ï€ molecular orbitals of cycloheptatrienyl system.

To indicate:

How these seven orbitals are filled in the cation, radical and anion.

To explain:

The aromatic character of the cycloheptatrienyl cation.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 4

Question

Definition Definition Rule that estimates whether a given organic planar ring structure will show an aromatic property. A cyclic ring molecule is said to follow Hückel’s rule if the л-electrons count in a molecule is [4n+2], where n stands for a positive numerical value. It is also called the [4n+2] rule. Hückel's rule, sometimes referred to as the aromaticity rule, is one but not the only criteria to judge a molecule for aromaticity.

Chapter 15.SE, Problem 45AP

Interpretation Introduction