Chem 340 Alex Kattermann & Fernanda Lois

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Presentation transcript:

Chem 340 Alex Kattermann & Fernanda Lois Inorganic Chemistry Chem 340 Alex Kattermann & Fernanda Lois

Main Points The electron waves Crystal structure Molecular Orbital Theory & Ligand Field Theory Lewis acids and bases Everything besides organic carbon Organometallics & Catalysis Isomerism

The Electron Cloud Electron wave nature  radial wave function Electron density plot Angular wave function  s, p, d orbitals 3D probability plots

Crystal Structure Ionic and metallic bonding Cubic (face centered) & hexagonal close packing (ABA vs. ABC) Simple cubic & body-centered cubic Dependent on ionic radii

Molecular Orbital Theory Bonding theory that uses guidelines of electron cloud shape and energy to determine bonding Bonding Nonbonding Antibonding

Ligand Field Theory MO theory applied to d-block metals d-orbitals split into t2g (dxy, dyz, dxz) and eg (dz2 and dx2-y2) sets Δoct

Lewis Acids and Bases Brønsted acid: electron pair acceptor Brønsted base: electron pair donor Hard/soft acid/bases Hard: small, densely charged Soft: large, polarizable

Everything Besides Organic Carbon s & p block Octet rule Hydrides, oxides, halides Noble gases: “Everyone said, ‘Noble gases don’t react,’ until some idiot tried and it and found that they did.” Mostly halides (XeF6) d block 18 electron rule Oxidation states Geometries: tetrahedral, octahedral

Transition Metal Complexes Sigma and pi donors Pi acceptors Classical Coordination Complexes and Organometallic Complexes Reactions: substitution and redox Electron transfer

Band Theory Explains TM properties of conduction, luster, malleability and ductility Delocalized electrons flow freely between bonding and antibonding bands

Organometallics Mostly aromatic compounds (sandwiches) and carbonyls Hapticity (η) π-acceptors/donors Catalysis Reduce alkenes and alkynes to alkanes using platinum Industrial processes Ethene to acetone using PdCl4

Isomerism

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