Organic ChemistryMain MenuLecture 1: Introduction to Molecular OrbitalsLecture 10: Intermolecular Forces and Intro to ReactivityLecture 11: Alkenes as Nucleophiles ILectures 12 and 13: Alkenes II & IIILecture 14: Benzenes as Nucleophiles ILecture 15 objectives and skillsLecture 2: Molecular Orbitals in Organic StructuresLecture 3: Molecular Orbitals and ResonanceLecture 4: Molecular Orbitals and AromaticityLecture 5: Nomenclature and IR SpectroscopyLecture 6: Stereochemistry ILecture 7: Stereochemistry IILecture 8: Newman and Fisher ProjectionsLecture 9: Conformations and Cyclohexane RingsJulio Terra2fb22914f73f9e5a767bf7fb83987dca0e153e4a
sp3-sp3, sp2-sp, sp-sp (and all other hybrid-hybrid combinations) σ have similar MO diagrams (sp2-sp2 example):
sp3-s, sp2-s, sp-s σ have similar MO diagrams (sp2-s example):
p-p π MO diagrams:
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1media/kisscc0-atomic-orbital-computer-icons-chemistry-orbitals-5b7136eca13a03.6431040415341462846604.png2020-01-25T14:21:35-08:00Lecture 2: Molecular Orbitals in Organic Structures16image_header2020-03-21T15:03:58-07:00Objective and Skills
KEY INFORMATION SUMMARY
HERE you can find extra resources to help you with this lecture!
PROBLEMS
Problem 2.1: Lewis Structures
Draw the Lewis Structures of CH3CH2CO2Li and (CH3)3CCl. SOLUTION
Identify each bond as covalent or ionic. SOLUTION
Assign any non-zero formal charges. SOLUTION
If you made some mistakes or want to practice more, review the concepts that gave you trouble and work on this extra problem. If you're good, move to the problem below ;)
Problem 2.2: Bond-line drawings
Draw in all the missing hydrogens on each of the structures below. SOLUTION
Determine the molecular formula. SOLUTION
If you made some mistakes or want to practice more, review the concepts that gave you trouble and work on this extra problem. If you're good, move to the problem below ;)
Problem 2.3: Hybridization
Draw the Lewis structures and bond-line drawings of CH3C≡CH, CH3BH2 and CH3NCO. SOLUTION
Determine the geometry and hybridization at each non-hydrogen atoms. SOLUTION
If you made some mistakes or want to practice more, review the concepts that gave you trouble and work on this extra problem. If you're good, move to the problem below ;)
Problem 2.4: Molecular Orbital (MO) Theory
Draw the Lewis Structures and bond-line drawings of CH3CH2CH2-, CH2=C=CH2, and HCN. SOLUTION
Determine the hybridization at each non-hydrogen atom. SOLUTION
Identify the AOs used to make each bond. SOLUTION
Predict the total number of MOs, include the total number of p MOs (if appropriate). SOLUTION
Sketch the MO diagram for each type of bond. SOLUTION
If you made some mistakes or want to practice more, review the concepts that gave you trouble and work on this extra problem. If you're good, move to the next lecture ;)
