Assignment:
The iodine monobromide molecule, IBr, has a bond length of 2.49 Angstroms and a dipole moment of 1.21 D.
a) Which atom of the molecule is expected to have a negative charge?
b) Calculate the effective charges on the I and Br atoms in IBr, in units of the electronic charge e.
Provide complete and step by step solution for the question and show calculations and use formulas.