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This module seeks to explain the bonding of the 4 Hydrogen atoms to the 1 Carbon atom in the molecule CH4 (methane),using the molecular orbital theory. Molecular orbital theory describes orbitals that are formed with the interaction of the atomic orbitals of given atoms. These orbitals are spread out over the entire molecule and electrons fill these orbitals in accordance with the aufbau principle.
Various concepts explain the molecular orbital theory in the bonding in methane, including character tables, symmetry, LGOs (ligand group orbital approach), and a qualitative MO diagram.
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What are ligand group orbitals, and how are they used in MO theory in polyatomic molecules?
How many Vibrational modes and IR/Ramen stretches are there in CH4?
What are the major differences between VB theory and MO theory applied to polyatomic molecules?
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