





Key Concepts for Topics Covered 


symmetry 


bonding 


acids and bases 


cordination chemistry: structure, bonding and spectroscopy 


cordination chemistry: reactivity 


ideal solids: structure and properties 


nonideal solids: structure and properties 


materials 







Symmetry Concepts 
Be able to define and recognize:
 an nrotation axis and improper axis
 a mirror plane
 an inversion center
 a screw axis
 a glide plane
 a point group symbol
 a unit cell
 a primitive cell
 a centered cell
 the asymmetric unit of a cell
 Be able to assign a point group label
Know :
 Bragg's Law
 the experimental configuration for both film and diffractometer methods
in single crystal and in powder diffraction analyses





Bonding 
VSEPR
 Lewis structures
 resonance
 formal charge vs. oxidation number
 molecular shapes
 distortions from ideal shapes
 localized bonding
Terms used in both MOT & VBT
 linear combination of atomic orbitals (LCAO)
 basis set
 normalization
 conservation of orbitals
 bond order and bond length
Terms used in MOT
 bonding orbital and antibonding orbital
 nonbonding orbitals
 MO energy level diagrams for homodiatomic molecules
 molecular electronic configurations
 HOMO, LUMO and frontier orbitals
 polar covalent bonding
 orbital nodes and orbital energies
 delocalized bonding
Terms used in VBT
 hybridization
 resonance





Acids & Bases 
definitions:
1. Arrhenius vs Bronsted acid & base definitions
2. Lewis acid & base
3. solvent system
4. hardsoft acidbase 'theory'
5. MOT
concepts:
1. solvent leveling and implications for reactivity
2. metal ions as acids
3. metal ion hydrolysis
4. superacids
5. molecular orbital view of donor/acceptor reactions
6. periodic trends of acid/base strength 




Coordination Chemistry: Structure, Bonding and Spectroscopy

definitions:
1. field strength
2. spinstate, high spin vs low spin
3. CFT
4. LFT
5. MOT
concepts:
1. bonding theories  CFT
2. CFSE
3. role of pairing energies
4. role of symmetry
5. spectrochemical series
6.
magentic susceptibility calculation,
variation between experiment and theory, use in determining structure
7. spectrochemical series
8. piacids, pibases and piinnocent ligands
9. JahnTeller distortion: why and
what happens





Coordination Chemistry: Reactivity adn Mechanisms 
definitions:
1. stable vs unstable
2. inert vs. labile
3. thermodynamic vs kinetic terms
4. formation constants and stepwise formation constants
concepts
1. LS mechanisms: D, I, A
2.
ligand substitution related issues for octahedral and square planar complexes
3. conjugate base (kinetic) effect
4. sterochemical outcomes of reaction
mechanisms
5. isomerizations
6. redox reaction mechanisms: inner vs outer sphere
7. Irving Williams series/plot as HSAB example
6. CFT implications for thermodynamic and kinetic reactivities 




Ideal Solids

Be able to recognize and define the characteristics of Prototype lattices:
 NaCl
 sphalerite
 wurzite
 fluorite
 cesium chloride
 perovskite
 rutile
Be able calculate lattice enthalpies and determine the relative stabilities of ionic materials
Know :
 BornLande/Mayer Equation
 BornHaber cycle
 Reasons for deviations from experimental values
 Radius Ratio Rule





Nonideal Solids

layered structures
polarizability and covalency
types of defects
where to expect defects
band theory
density of states
ionic conductivity
electronic (metallic) conductivity
band gap
semiconductors
photoconduction and thermal conduction 




Materials



















