Package org.openscience.cdk.charges

Class Electronegativity

java.lang.Object

org.openscience.cdk.charges.Electronegativity

public class Electronegativity
extends Object

Calculation of the electronegativity of orbitals of a molecule by the method Gasteiger based on electronegativity is given by X = a + bq + c(q*q).

Author:

Miguel Rojas Cherto

Keywords:

electronegativity

Created on:

2008-104-31

Constructor Summary

Constructors

Constructor	Description
Electronegativity()	Constructor for the PiElectronegativity object.
Electronegativity(int maxIterations, int maxResonStruc)	Constructor for the Electronegativity object.

Method Summary

Modifier and Type	Method	Description
double	calculateSigmaElectronegativity(IAtomContainer ac, IAtom atom)	calculate the electronegativity of orbitals sigma.
double	calculateSigmaElectronegativity(IAtomContainer ac, IAtom atom, int maxIterations, int maxResonStruc)	calculate the electronegativity of orbitals sigma.
int	getMaxIterations()	get the maximum number of Iterations.
int	getMaxResonStruc()	get the maximum number of resonance structures.
void	setMaxIterations(int maxIterations)	set the maximum number of Iterations.
void	setMaxResonStruc(int maxResonStruc)	set the maximum number of resonance structures.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Electronegativity

public Electronegativity()

Constructor for the PiElectronegativity object.

Electronegativity

public Electronegativity(int maxIterations,
 int maxResonStruc)

Constructor for the Electronegativity object.

Parameters:

maxIterations - The maximal number of Iteration

maxResonStruc - The maximal number of Resonance Structures

Method Details

calculateSigmaElectronegativity

public double calculateSigmaElectronegativity(IAtomContainer ac,
 IAtom atom)

calculate the electronegativity of orbitals sigma.

Parameters:

ac - IAtomContainer

atom - atom for which effective atom electronegativity should be calculated

Returns:

piElectronegativity

calculateSigmaElectronegativity

public double calculateSigmaElectronegativity(IAtomContainer ac,
 IAtom atom,
 int maxIterations,
 int maxResonStruc)

calculate the electronegativity of orbitals sigma.

Parameters:

ac - IAtomContainer

atom - atom for which effective atom electronegativity should be calculated

maxIterations - The maximal number of Iterations

maxResonStruc - The maximal number of Resonance Structures

Returns:

piElectronegativity

setMaxIterations

public void setMaxIterations(int maxIterations)

set the maximum number of Iterations.

Parameters:

maxIterations - The maximal number of iterations

setMaxResonStruc

public void setMaxResonStruc(int maxResonStruc)

set the maximum number of resonance structures.

Parameters:

maxResonStruc - The maximal number of resonance structures

getMaxIterations

public int getMaxIterations()

get the maximum number of Iterations.

Returns:

The maximal number of iterations

getMaxResonStruc

public int getMaxResonStruc()

get the maximum number of resonance structures.

Returns:

The maximal number of resonance structures