093010 Lecture 3

093010 Lecture 3 - Complex Molecules jmol Chromium Hexacarbonyl Cr(CO 6 What do we mean by symmetry and where do we fnd it Some Examples oF Natural

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Welcome to: Chemistry 120A Lecture 3 Bonding Types, Symmetry, Symmetry Elements and Operations Prof. Joshua Figueroa
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χ Increases with Increasing Z eff (or) Decreases with Increased Shielding
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For Different Periods, Orbital Energies Decrease with Increasing Z
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For Different Periods, Orbital Energies Decrease with Increasing Z
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In Similar Fashion, χ Increases with Increasing Z eff For Different Periods, Orbital Energies Decrease with Increasing Z
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For Elements in the same Period Orbital Energies Decrease with Increasing Z eff or increasing χ Increases with Increasing Z eff
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2p x 2p x z x y
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2p x 2p x z x y Δ E
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2p x 2p x z x y More carbon character More oxygen character
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How do we Systematically Describe the Bonding in
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Unformatted text preview: Complex Molecules? jmol Chromium Hexacarbonyl Cr(CO) 6 What do we mean by symmetry and where do we fnd it? Some Examples oF Natural and Human-Made Symmetry What Properties of These Objects DeFne Their Symmetry? Mirror Plane Six-fold Rota4on Axis And inversion center Mirror Plane Four-fold Rota4on Axis And inversion center What Properties of These Objects DeFne Their Symmetry? These ┬▒eatures are Called Symmetry Elements Mirror Plane Six-fold Rota4on Axis And inversion center Mirror Plane Four-fold Rota4on Axis And inversion center...
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This note was uploaded on 08/15/2011 for the course CHEM 114B taught by Professor Wang during the Spring '09 term at UCSD.

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093010 Lecture 3 - Complex Molecules jmol Chromium Hexacarbonyl Cr(CO 6 What do we mean by symmetry and where do we fnd it Some Examples oF Natural

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