Lec-18-Chap-08-4

Lec-18-Chap-08-4 - CHE 131 Lecture 18, 3/2/2007 Lecture 18,...

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CHE 131 Lecture 18, 3/2/2007 1 Lecture 18 Molecular Orbital Theory (8.12) Benjamin S. Hsiao Department of Chemistry Stony Brook University Lecture 18, Knowledge and Skills • Form molecular orbitals from atomic orbitals bonding and nonbonding molecular orbitals σ and π molecular orbitals • Molecular orbital energy diagram • Molecular electron configuration • Predict physical properties of diatomic molecules bond order; magnetism; relative bond lengths I need to take Midterm II on Oct. 30 (Monday) (a) Yes; (b) No Atomic Orbitals Atomic orbitals - Location and energy of electron within atoms. Atomic orbitals can be calculated by means of quantum mechanics. You are familiar with the results of these calculations: s, p, d, f … orbitals.
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CHE 131 Lecture 18, 3/2/2007 2 Molecular Orbitals Molecular orbitals - can be obtained in a similar fashion by calculating the wavefunctions of electrons moving in the field of two or more nuclei. Many similarities with atomic orbitals: the lowest orbital would have no node, the next orbital would have one node. Higher orbitals would have more nodes.
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This note was uploaded on 03/06/2010 for the course CHE 131 taught by Professor Kerber during the Spring '08 term at SUNY Stony Brook.

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Lec-18-Chap-08-4 - CHE 131 Lecture 18, 3/2/2007 Lecture 18,...

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