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TITLE
DEDICATION
CERTIFICATE
DECLARATION
ACKNOWLEDGEMENT
contents
1 Introduction
1.1 Coordination polymers
1.1.1 General Methods of Preparation
1.1.2 Classification of Coordination Polymers
1.1.2.1 Pendent metal groups
1.1.2.2 Polymers cross-linked by metals
1.1.2.3 Parquet polymers
1.1.2.4 Polymers with backbone metals
1.1.2.5 Stacked metal chain complexes
1.1.2.6 Magnus green salt
1.1.2.7 Polymetallocences
1 1.2.8 Poly (yne) s
1 1.2.9 Shiskabob polymers
1.2 Properties of Coordination Polymers
1.2.1 Molecular Ferromagnets
1.2.2 Metallic and Superconducting Polymers
1.2.3 Non Linear Optical Materials Ferroelectric Materials
1.2.4 Ferroelectric Materials
References
2 Scope and objectives
References
3 Reagents and physico-chemical methods
3.1 Reagents
3.2 Preparative Details
3.2.1 Preparation of 4, 4-azopyridine
3.3 Elemental Analysis
3.3.1 Estimation of Nickel
3.3.2 Estimation of Cobalt
3.3.3 Estimation of Vanadium
3.3.4 Estimation of Carbon, Hydrogen and Nitrogen.
3.4 Spectral Methods
3.5 Coordination Chemistry of Cobalt
3.6 Coordination Chemistry of Nickel.
3.7 Magnetic Susceptibility Measurements
3.8 Thermal Analysis
References
4 Synthesis and Characterisation of Lewis-base adducts of Ni (II) and Co (II) complexes of 2-mercaptobenzothiazole
4.1 Introduction
4.2 Experimental
4.2.1 Reagents Used-
4.2.2 Preparative Details
4.2.3 Analytical Methods
4.3 Results and Discussion
4.3.1 Four-coordinated Co (mbt) 2 and Ni (mbt) 2
4.3.2 Lewis-Base Adducts of M (mbt) 2
4.3.2.1 lnfra-red spectra
4.3.2.2 Electronic spectra of Lewis-base adducts of Ni (mbt) 2
4.3.2.3 Electronic spectra of Lewis-base adducts of Co (mbt) 2
4.3.2.4 Magnetic susceptibility measurements
References
5 Thermal decomposition features of 2-mercaptobenzothiazolate complexes of Ni (II) and Co (II) and their Lewis-base adducts
5.1 Introduction
5.2 Results and Discussion
5.2.1 Phenomenological Aspects
5.2.1.1 2-mercaptobenzothiazole (mbtH)
5.2.1.2 Bis (2-mercaptobenzothiazolato) nickel (II), Ni (mbt) 2
5.2.1.3 Lewis-base adducts of Ni (mbt) 2
5.2.1.4 Bis (2-mercaptobenzothiazolato) cobalt (II), Co (mbt) 2
5.2.1.5 Lewis-base adducts of Co (mbt) 2
5.2.2 Kinetic Aspects
5.2.3 Mechanistic Aspects
References
6 Synthesis and characterisation of monomeric and poloymeric Lewis-base adducts of 2-mercaptobenzoxazolate complexes of Co (II) and Ni (II)
6.1 Introduction
6.2 Experimental
6.2.1 Preparative Details
6.2.1.1 Four-coordinated complexes of 2-mercaptobenozoxazole, mboH –
6.2.1.2 Lewis-base adducts of M (mbo) 2
6.3 Results and Discussion
6.3.1 Four-Coordinated Co (mbo) 2 and Ni (mbo) 2
6.3.2 Lewis-base Adducts of Co (mbo) 2
6.3.2.1 infra-red spectra
6.3.2.2 Electronic spectra and magnetic properties
6.3.3 Lewis-base Adducts of Ni (mbo) 2
6.3.3.1 Infra -red spectra
6.3 3.2 Electronic spectra and magnetic properties
References
7 Thermal characterisation of 2-mercaptobenzoxazolate complexes of Ni (II) and Co (II) and their Lewis-base adducts
7.1 Introduction
7.2 Results and Discussion
7.2.1 Phenomenological Aspects
7.2.1.1 Bis (2-mercaptobenzoxazolato) nickel (II), Ni (mbo) 2
7.2.1.2 Lewis-base adducts of Ni (mbo) 2
7.2.1.3 Bis (2-meccaptobenzoxazolato) cobalt (II), Co (mbo) 2
7.2.1.4 Lewis-base adducts of Co (mbo) 2
7.2 2 Kinetic Aspects
7.2.3 Mechanistic Aspects
References
8 Lewis-base adducts of bis (2 -mercaptobenzimidazolato) nickel (II)
8.1 Introduction
8.2 Experimental
8.2.1 Preparative Details
8.2.1 1 Four coordinated complexes of mbmH
8.2.1.2 Lewis-base adducts of M (mbm) 2
8.3 Results and Discussion
8.3.1 Four-coordinated Co (ll) and Ni (ll.) Complexes of mbmH
8.3.1.1 Infra red spectra
8.3.1.2 Magnetic measurements
8.3.1.3 Electronic spectra
8.3.2 Lewis-base Adducts of M (mbm) 2
8.3.2.1 Infra-red spectra
8.3.2 2 Electronic spectra
8. 3.2. 3.Thermal decomposition features
8 3 2.3.1 Pleomenological aspects
8.3.2 3.2 Kinetic and mechanistic aspects
8.4 Comparison of Electronic Modulation in mbt; mbo and mbm Complexes on Adduct Formation
References
9 Monomeric and dimeric Lewis-base adducts of bis (acetylacetonato) oxovanadium (IV)
9.1 Introduction
9.2 Experimental
9.2.1 Preparative Details
9.2.1 1 Preparation of bis (acetylacetonato) oxovanadium (IV), VO (acac) 2
9.2.1.2 1.Lewis-base adducts of VO (acac) 2
9.3 Results and Discussion
9.3.1 Elemental Analysis
9.3.2 Infra-red Spectra
9.3.3 Electronic Spectra
9.3.4 Magnetic Susceptibility Measurements
9.3.5 Electron Spin Resonance Spectra
9.3.6 Thermal Analysis
9.3.6.1 Phenomenological aspects
9.1.6.2 Kinetic and mechanistic aspects
References
10 Summary and conclusions