17.11.2014 Views

ChemOffice.Com - CambridgeSoft

ChemOffice.Com - CambridgeSoft

ChemOffice.Com - CambridgeSoft

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

The MM2 server provides the following property<br />

calculations:<br />

Property<br />

Description<br />

Property<br />

Bending Energy<br />

(kcal/mol)<br />

Charge-Charge Energy<br />

(kcal/mol)<br />

Charge-Dipole Energy<br />

(kcal/mol)<br />

Dipole Moment<br />

(Debye)<br />

Dipole-Dipole Energy<br />

(kcal/mol)<br />

Non-1,4 van der Waals<br />

Energy (kcal/mol)<br />

Description<br />

The sum of the<br />

angle-bending terms of<br />

the force-field equation.<br />

The sum of the<br />

electrostatic energy<br />

representing the<br />

pairwise interaction of<br />

charged atoms.<br />

The sum of the<br />

electrostatic energy<br />

terms resulting from<br />

interaction of a dipole<br />

and charged species.<br />

Molecular dipole<br />

moment.<br />

The sum of the<br />

electrostatic energy<br />

terms resulting from<br />

interaction of two<br />

dipoles.<br />

The sum of pairwise van<br />

der Waals interaction<br />

energy terms for atoms<br />

separated by more than<br />

3 chemical bonds.<br />

Torsion Energy<br />

(kcal/mol)<br />

Total Energy<br />

(kcal/mol)<br />

van der Waals Energy<br />

(kcal/mol)<br />

MOPAC Server<br />

The sum of the dihedral<br />

bond rotational energy<br />

term of the force-field<br />

equation.<br />

The sum of all terms the<br />

the force-field equation.<br />

The MOPAC server calculates property predictions<br />

based on semi-empirical computational methods.<br />

For more information, see “The Semi-empirical<br />

Methods” on page 142 and “Running MOPAC<br />

Jobs” on page 174<br />

The MOPAC server provides the following<br />

property calculations:<br />

Property<br />

Alpha Coefficients<br />

Beta Coefficients<br />

The sum of pairwise van<br />

der Waals interaction<br />

energy terms for atoms<br />

separated by exactly 3<br />

chemical bonds.<br />

Description<br />

First order polarizability<br />

coefficients.<br />

Second order polarizability<br />

coefficients.<br />

Stretch-Bend Energy<br />

(kcal/mol)<br />

The sum of the stretchbend<br />

coupling terms of<br />

the force-field equation.<br />

Dipole (Debye)<br />

Molecular dipole moment.<br />

<strong>ChemOffice</strong> 2005/Chem3D SAR Descriptors • 209<br />

MOPAC Server

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!