'Molecular orbital theory' diaporamas de présentation

Molecular Orbitals

Molecular Orbitals. An approach to bonding in which orbitals encompass the entire molecule, rather than being localized between atoms. Molecular Orbitals. Molecular orbitals result from the combination of atomic orbitals.

1.74k views • 80 slides

VSEPR Theory

VSEPR Theory. VSEPR Theory. Lewis structures are valuable because?? But what about the 3-D shape of molecules? They have 3-D shapes, but is it important? What about enzymes: is their 3-D shape important? What about DNA: is their 3-D shape important?. VSEPR Theory.

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Molecular Orbital Theory

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The Octet Rule in Covalent Bonding

8.2. The Octet Rule in Covalent Bonding. The Octet Rule in Covalent Bonding What is the result of electron sharing in covalent bonds?. 8.2. The Octet Rule in Covalent Bonding. In covalent bonds, electron sharing usually occurs so that atoms attain the electron configurations of noble gases.

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Organic Chemistry

Organic Chemistry. Chapter 7 - Resonance. Electron Delocalization and Resonance. Localized electrons = restricted to a particular region Delocalized electrons do not belong to a single atom or exclusively to a bond between 2 atoms. Kekule Structure. Benzene C 6 H 6

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HPLC Detectors UV-Vis Fluorescence

HPLC Detectors UV-Vis Fluorescence. Derek Jackson CHM410/1410 October 22, 2009 djackson@chem.utoronto.ca. HPLC Detectors. Once a mixture of compounds has been separated by HPLC, how do we detect them? Requirements for an HPLC detector Good sensitivity (high signal, low noise)

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Prabir K Dutta, The Ohio State University, PI Bill Donovan , University of Akron, Co-PI Allen Hunter, Youngstown State U

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Bonding III

Bonding III. Valence Bond Theory and Molecular Orbital Theory. Valence Bond Theory. Extends the Lewis concept of electron pair bonds by introducing the notion of orbital overlap and hybridization . Hybridization is necessary to account for molecular geometry predicted by VSEPR

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Molecular Modeling

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Molecular Orbital Theory

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Chemistry 445. Lecture 4. Molecular Orbital Theory of diatomic molecules

Chemistry 445. Lecture 4. Molecular Orbital Theory of diatomic molecules. The non-existent He 2 molecule (bond order = 0). BO = (2-2)/2 = 0. The MO diagram for the He 2 molecule is similar to that for the H 2 molecule,

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Chemistry 445. Lecture 4. Molecular Orbital Theory of diatomic molecules

Chemistry 445. Lecture 4. Molecular Orbital Theory of diatomic molecules. The non-existent He 2 molecule (bond order = 0). BO = (2-2)/2 = 0. The MO diagram for the He 2 molecule is similar to that for the H 2 molecule,

1.96k views • 20 slides

C r y s t a l F i e l d T h e o r y

400. 500. 600. 800. C r y s t a l F i e l d T h e o r y. The relationship between colors and complex metal ions. Transition Metal Gems. Gemstone owe their color from trace transition-metal ions Corundum mineral, Al 2 O 3 : Colorless Cr ? Al : Ruby Mn ? Al: Amethyst

853 views • 19 slides

C r y s t a l F i e l d T h e o r y

400. 500. 600. 800. C r y s t a l F i e l d T h e o r y. The relationship between colors and complex metal ions. Transition Metal Gems. Gemstone owe their color from trace transition-metal ions Corundum mineral, Al 2 O 3 : Colorless Cr ? Al : Ruby Mn ? Al: Amethyst

910 views • 19 slides

C r y s t a l F i e l d T h e o r y

400. 500. 600. 800. C r y s t a l F i e l d T h e o r y. The relationship between colors and complex metal ions. Transition Metal Gems. Gemstone owe their color from trace transition-metal ions Corundum mineral, Al 2 O 3 : Colorless Cr ? Al : Ruby Mn ? Al: Amethyst

392 views • 19 slides

Bond Theories

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Molecular Orbital Theory of Simple Diatomic Molecules and Ions

Molecular Orbital Theory of Simple Diatomic Molecules and Ions. Introduction

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Chemistry 141

Chemistry 141. Review. Chapter 1: Matter, Measurement, and Problem Solving . Scientific Method Matter States of Matter solid, liquid, gas, and plasma Amorphous/crystalline Types of Matter Pure substance: Element vs. atom Compound: molecules vs. formula units

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? 1 = c 1 ? 1 + c 2 ? 2 ? 2 = c 1 ? 1 - c 2 ? 2

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16.528 Alternative Energy Sources

16.528 Alternative Energy Sources. Organic Photovoltaic (OPV). Timothy McLeod Summer 2006. Potential Benefits Using OPV. Lower Material Cost Organic compounds (cpd) can be mass produced decreasing material cost compared to metal/semi-metal metals (inorganics) Flexibility

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