Introduction: Cytosine is one of the four bases used in the genetic code. It has the molecular formula C4H5N3O. The molecular structure of cytosine calculated using Spartan with a 3-21G basis set is displayed below.
Chemistry-Study and teaching; Handouts; Valence (Theoretical chemistry); Chemical bonds; Electrons; Molecular orbitals
In class, we have used the Valence Bond (VB) approach to understand chemical
bonding. At the qualitative level, VB is relatively easy to use and does not require a deep
knowledge of quantum mechanics and group theory. The electron-dot formalism of...