Scopes of Solid State Synthesis Solids: crystals, fibers, films, foams, ceramics, powders, nanoparticles, morphology Direct reaction Crystallization: solution, melt, glass, sol-gel

1 Crystal Basics 2 Symmetry 3 Crystal Structure Analysis 4 Crystal Chemistry 5 Some Important Crystal Structures

Non-linear optical properties Photoluminescence Optical Materials Non-linear optical materials play an important role in data transmission and storage

Photoelectricity Semiconductors Historical Timelines Semiconductor Products are Proliferating

Functional Solid State Materials Electrical properties Optical properties Magnetic properties Mechanical properties “the secret for transmuting base metals into precious gold” Materials & History

Characteristics of Solids Bonding Electrons in Solids Band Theory Defects Semiconductor Classification of Solids There are several forms solid state materials can adapt

Allylic 1-3-Strain as a Controlling Element in Stereoselective Transformations TSO(2C)4 R. W. Hoffmann, Angew. Chem. Int. Ed. Engl. 2000, 39, 2054-2070 CH2)lOTs Conformation Design of Open-Chain Compounds

Hyperconjugation and \Negative\ Hyperconjugation Anomeric and Related Effects An Introduction to Frontier Molecular Orbital Theory-1 Problem of the Day The molecule illustrated below can react through either Path A or Path B to form salt 1 or salt 2 . In both instances the carbonyl oxygen functions as the

Stereoelectronic Effects-1 Anomeric and Related Effects Electrophilic & Nucleophilic Substitution Reactions The SN2 Reaction: Stereoelectronic Effects Olefin Epoxidation: Stereoelectronic Effects Baeyer-Villiger Reaction: Stereoelectronic Effects Olefin Bromination: Stereoelectronic Effects

Prelog Strain: van der Waals interactions Baeyer Strain: bond angle distortion away from the ideal Pitzer Strain: torsional rotation about a sigma bond Baeyer Strain for selected ring sizes size of ring Ht of Combustion