Konformációs
Konformációs refers to the spatial arrangement of atoms in a molecule that can be interconverted by rotation about single bonds. These different arrangements are called conformers. For example, in ethane, the carbon-carbon single bond can rotate, leading to staggered and eclipsed conformations. In cyclohexane, the ring can adopt a chair conformation, which is generally more stable than the boat conformation, due to minimized torsional strain and van der Waals repulsions. The energy difference between various conformers determines their relative abundance at equilibrium, often described by the Boltzmann distribution. Certain conformations can be more reactive or exhibit different chemical and physical properties. Understanding molecular conformation is crucial in fields like organic chemistry, biochemistry, and drug design, as it directly influences molecular interactions, reaction pathways, and biological activity.