Sunday, February 27, 2011

Bonds

The Caffeine Molecule is made up of many bonds, like any other molecule.
The elements and their electronegativity values are:
C-2.5
O-3.5
H-2.2
N-3.0
The bond between C and H has a difference of .3 which makes the bond extremely covalent.
The bond between C and O has a difference of 1so it is moderately covalent.
The bond between C and N has a  difference of .5 so the bond is extremely covalent.
The bond between N and O has a difference of  is .5 which makes the bond extremely covalent.
The bond between O and H has a difference of 1.3 which makes the bond moderately covalent.

Intermolecular Forces

The caffeine molecule can bond using hydrogen bonding, dipole dipole, and dispersion forces.
  • In this case hydrogen bonding is taking place between hydrogen and hydrogen and also hydrogen and oxygen.
  • Dipole Dipole takes place between two oppositely charged end of molecules. The O in one molecule is negatively charges which then bonds with the positively charged H of the other.
  • Dispersion forces take place between all molecules that bond. This is caused by the erratic movement of electrons that form temporary dipoles between atoms in the molecules.

Need to stay awake?

Ever started to fall asleep but need to stay up? Well caffeine can be very helpful in these situations. Caffeine is a stimulant that is naturally found in coffee beans and tea. It is extracted from its normal form and put into many energy drinks etc. today. Cramming for an exam, pulling an all-nighter, or just need a boost in the morning then caffeine is the product for you! 

Caffeine Molecule- Polarity

This is the Lewis Structure of the caffeine molecule. Caffeine is a polar molecule.