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Full Screen- TITLE
- CERTIFICATE
- DECLARATION
- ACKNOWLEDGEMENT
- TABLE OF CONTENTS
- CHAPTER I
- 1.1 Introduction
- 1.2 Potential Energy Surface of Methane
- 1.3 Stabilisation of Planar Tetracoordinate Carbon
- 1.3.1 Stabilization of Planar Tetracoordinate Carbon Based on Strain Concepts
- 1.3.2. Stabilization of Planar Tetracoordinate Carbon Based on Bonding Principles
- 1.3.3. Stabilization of Planar Tetracoordinate Carbon by Introduction of Small Ring Systems
- CHAPTER 2
- 2. 1 Introduction
- 2.2 Ab initio methods
- 2.2.1 Basis Sets
- 2.3 Electron Correlation Methods
- CHAPTER 3
- 3.1 Introduction
- 3.2 Computational details
- 3.3 Results and Discussion
- 3.3 1 Tetrasubstituted methanes
- 3.3 2 Spirocyclic systems involving two π donors and it acceptors
- 3.3.2.1 Spirononane type systems involving -Be- and -NH- groups
- 3.3.2.2 Spirononane type systems involving -BH- and -NH- groups
- 3.3.2.3 Spiroheptane type systems inlvolving Be -and -NH-groups.
- 3.2.2.4 Spiroheptane type systems involving -Be- and -O- groups.
- 3.2.2.5 Spiroheptane type systems involving -BH- and -NH- groups.
- 3.2.2.6 Spiroheptane type systems involving -BH- and -O-groups.
- 3.2.2.7 Spiropentane type systems involving -BH- and -NH- groups
- 3.2.2.8 Spiropentane type systems inivolving-BH-and- O-groups
- 3.2.2.9 Spiropentane type systems involving -Be-and -O- groups
- 3.2.2.10 Spiropentane type systems involving -Be- and -NH- groups
- 3.4 Conclusions
- REFERENCES
- APPENDIX