## Details of ID4203 (Spring 2017)

Level: 4 |
Type: Theory |
Credits: 3.0 |

Course Code | Course Name | Instructor(s) |
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ID4203 |
Bonding in Chemistry |
Debasis Koley |

Syllabus |
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Concepts of bonding and orbital Interactions, atomic orbitals, molecular orbitals, orbital interaction energies, degenerate interactions, non-degenerate interactions, electron density distribution.
Perturbation molecular orbital theory: concepts to degenerate and non-degenerate perturbations. Symmetry in bonding: concepts, direct product, symmetry properties and integrals, the non-crossing rule.symmetry adapted linear combinations (SALC). Molecular orbital construction from fragment orbitals, molecular orbitals of diatomic molecules, electronegativity perturbation, geometrical perturbation, Jahn-Teller distortions, bond orbitals. Bonding in transition-metal complexes with symmetry perspective, ?-effects in Oh complexes, distortions from Oh geometry, square planar, tetrahedral complexes, electron counting, isolobal analogy. Molecular orbitals and the structure of organic molecules, the effects of ?-conjugation, hyperconjugation, the effect of conjugation on electron distribution, non covalent interactions, perturbation theory of reactivity, the Salem-Klopman equation, hard and soft nucleophiles and electrophiles.Hckelapproximation, The Diels-Alder reaction Advance chemical bonding: Introduction to natural bond orbitals, introduction to atoms in molecules. |

References |
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References:
1. Chemical Applications of Group Theory by F. Albert Cotton, Wiley India, 3rd Edition, 2009. 2. Lectures on Chemical Bonding and Quantum Chemistry by S. N. Dutta, Prism Books Pvt. Ltd., 1997 2. Orbital Interactions in Chemistry by T. A. Albright, J. K. Burdett and M. H. Whangbo, John Wiley and Sons, 1984. 3. Molecular Orbitals and Organic Chemical Reactions by Ian Fleming, John Wiley and Sons, 2010. 4. Valency and Bonding by Frank Weinhold and Clark R. Landis, Cambridge University Press, 2005 5. Atoms in Molecules A Quantum Theory by Richard F. W. Bader, Clarendon Press, Oxford, 1994. |

#### Course Credit Options

Sl. No. | Programme | Semester No | Course Choice |
---|---|---|---|

1 | IP | 2 | Not Allowed |

2 | IP | 4 | Elective |

3 | IP | 6 | Not Allowed |

4 | MR | 2 | Not Allowed |

5 | MR | 4 | Not Allowed |

6 | MS | 8 | Elective |

7 | RS | 1 | Elective |

8 | RS | 2 | Elective |