User:Benjah-bmm27/degree/3/JPHC

=Group theory in chemistry, JPHC=
 * The uses of group theory in describing and understanding molecular symmetry
 * Symmetry elements
 * Identity element
 * Symmetry operations
 * Schönflies notation
 * Point groups
 * Point groups in three dimensions
 * List of character tables for chemically important 3D point groups
 * Crystallographic point groups
 * Group representations
 * Irreducible representations

Examples of molecules in each point group

 * C2: hydrogen peroxide, dioxygen difluoride, methanediol
 * C2v: water, sulfur dichloride, oxygen difluoride, dichloromethane
 * C3v: ammonia, phosphine, methyl iodide
 * C∞v: methylacetylene, chloroacetylene; any heteronuclear diatomic molecule, e.g. hydrogen chloride, nitric oxide, carbon monoxide
 * S4: pentaerythritol, PETN, orthocarbonic acid
 * D5d: ferrocene
 * D5h: ruthenocene
 * D∞h: carbon dioxide, acetylene; any homonuclear diatomic molecule, e.g. dihydrogen, dinitrogen, dioxygen