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Molecular Orbital Calculations 

INTRODUCTION
Utilizing computer software(MacMolPlt, Jmol, GamesQ), molecular geometries and orbitals for HBr were created with three data sets(3-21G, 6-31G, DZV). 


The HBr molecule's optimized molecular geometry with the 3-21G data set.


IThe HBr molecule's optimized molecular geometry with the 6-31G data set.

The HBr molecule's optimized molecular geometry with the DZV data set.


This is the HOMO for the DZV data set.

This is the LUMO for the DZV data set


This is the Electrostatic Potential for the DZV data set. 

This is the partial atomic charge for the DZV data set.

Experimental Dipole Moments(Debye)
0.82

Data Set
Calculated Dipole Moments(Debye)
3-21G
1.296440
6-31G
1.406619
DZV
1.484171
As the size of the set increases, the calculated dipole moment increases as well.

Sigma Bond
This is the sigma bond between Hydrogen and Bromide on the z-axis.

Non-Bonding
          p-orbital
This is a non bonding p orbital going into the x-axis.

Non Bonding p
          orbital
This is the non-bonding p orbital going into the y-axis.

Potential Energy vs. Bond Stretching
PEvslengthDZVPEvslengthDZV
Graph of DZV data set
PEvslength631
Graph of 6-31G data set
PEvslength321
Graph of 3-21G data set
Based on template by A. Herráez as modified by J. Gutow
Page skeleton and JavaScript generated by export to web function using Jmol 12.2.RC3 2011-08-06 04:51 on Feb 27, 2012.