CHEM 1210 Lecture Notes - Lecture 9: Trigonal Planar Molecular Geometry, Molecular Geometry, Valence Bond Theory
Document Summary
Chapter nine electron domain geometry how are the electrons (in bonds or lone pairs) arranged molecular geometry. Each nonbonding pair, single electron, or multiple bond produces an electron domain around. The best arrangement (lowest pe, most stable) for a given number of electron domains in the one that minimizes the repulsions among electron domains. The geometry of the electron domain affects the resulting molecular geometry bond angles. Difference in bond angles is explained by the type of the electron domain geometry. Keeps conductivity, just changes location of electrons hybridization. Orbitals may be combined (or hybridized) to form new orbitals used in bonding. S + p + p = 3 sp2 (trigonal planar) S + p + p + p = 4 sp3 (tetrahedral) Assumes that electrons occupy atomic orbitals of individual atoms within a molecule and that the electrons of one atom are attracted to the nucleus of another atom.
