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sc::HSOSSCF(3) MPQC sc::HSOSSCF(3)

sc::HSOSSCF - The HSOSSCF class is a base for classes implementing a self-consistent procedure for high-spin open-shell molecules.

#include <hsosscf.h>

Inherits sc::SCF.

Inherited by sc::HSOSHF, and sc::HSOSKS.


HSOSSCF (StateIn &)
HSOSSCF (const Ref< KeyVal > &)
The KeyVal constructor. void save_data_state (StateOut &)
Save the base classes (with save_data_state) and the members in the same order that the StateIn CTOR initializes them. void print (std::ostream &o=ExEnv::out0()) const
Print information about the object. double occupation (int irrep, int vectornum)
Returns the occupation. double alpha_occupation (int irrep, int vectornum)
Returns the alpha occupation. double beta_occupation (int irrep, int vectornum)
Returns the beta occupation. int n_fock_matrices () const
RefSymmSCMatrix fock (int i)
Returns closed-shell (i==0) or open-shell (i==1) Fock matrix in AO basis (excluding XC contribution in KS DFT). RefSymmSCMatrix effective_fock ()
Returns effective Fock matrix in MO basis (including XC contribution for KS DFT). void symmetry_changed ()
Call this if you have changed the molecular symmetry of the molecule contained by this MolecularEnergy. int spin_polarized ()
Return 1 if the alpha density is not equal to the beta density. RefSymmSCMatrix density ()
Returns the SO density. RefSymmSCMatrix alpha_density ()
Return alpha electron densities in the SO basis. RefSymmSCMatrix beta_density ()
Return beta electron densities in the SO basis.


void set_occupations (const RefDiagSCMatrix &evals)
void init_vector ()
void done_vector ()
void reset_density ()
double new_density ()
double scf_energy ()
Ref< SCExtrapData > extrap_data ()
void init_gradient ()
void done_gradient ()
RefSymmSCMatrix lagrangian ()
RefSymmSCMatrix gradient_density ()
void init_hessian ()
void done_hessian ()
void two_body_deriv_hf (double *grad, double exchange_fraction)


Ref< PointGroup > most_recent_pg_
int user_occupations_
int tndocc_
int tnsocc_
int nirrep_
int * initial_ndocc_
int * initial_nsocc_
int * ndocc_
int * nsocc_
ResultRefSymmSCMatrix cl_fock_
ResultRefSymmSCMatrix op_fock_
RefSymmSCMatrix cl_dens_
RefSymmSCMatrix cl_dens_diff_
RefSymmSCMatrix cl_gmat_
RefSymmSCMatrix op_dens_
RefSymmSCMatrix op_dens_diff_
RefSymmSCMatrix op_gmat_
RefSymmSCMatrix cl_hcore_

The HSOSSCF class is a base for classes implementing a self-consistent procedure for high-spin open-shell molecules.

The KeyVal constructor.
total_charge
This floating point number gives the total charge, $c$, of the molecule. The default is 0.
nsocc
This integer gives the total number of singly occupied orbitals, $n_thrm{socc}$. If this is not given, then multiplicity will be read.
multiplicity
This integer gives the multiplicity, $m$, of the molecule. The number of singly occupied orbitals is then $n_thrm{socc} = m - 1$. If neither nsocc nor multiplicity is given, then if, in consideration of total_charge, the number of electrons is even, the default $n_thrm{socc}$ is 2. Otherwise, it is 1.
ndocc
This integer gives the total number of doubly occupied orbitals $n_thrm{docc}$. The default $n_thrm{docc} = (c - n_thrm{socc})/2$.
socc
This vector of integers gives the total number of singly occupied orbitals of each irreducible representation. By default, the $n_thrm{socc}$ singly occupied orbitals will be distributed according to orbital eigenvalues. If socc is given, then docc must be given and they override nsocc, multiplicity, ndocc, and total_charge.
docc
This vector of integers gives the total number of doubly occupied orbitals of each irreducible representation. By default, the $n_thrm{docc}$ singly occupied orbitals will be distributed according to orbital eigenvalues. If docc is given, then socc must be given and they override nsocc, multiplicity, ndocc, and total_charge.
maxiter
This has the same meaning as in the parent class, SCF; however, the default value is 100.
level_shift
This has the same meaning as in the parent class, SCF; however, the default value is 1.0.

Return alpha electron densities in the SO basis.

Reimplemented from sc::Wavefunction.

Returns the alpha occupation. The irreducible representation and the vector number within that representation are given as arguments.

Reimplemented from sc::OneBodyWavefunction.

Return beta electron densities in the SO basis.

Reimplemented from sc::Wavefunction.

Returns the beta occupation. The irreducible representation and the vector number within that representation are given as arguments.

Reimplemented from sc::OneBodyWavefunction.

Returns the SO density.

Implements sc::Wavefunction.

Implements sc::SCF.

Implements sc::SCF.

Implements sc::SCF.

Returns effective Fock matrix in MO basis (including XC contribution for KS DFT).

Implements sc::SCF.

Implements sc::SCF.

Returns closed-shell (i==0) or open-shell (i==1) Fock matrix in AO basis (excluding XC contribution in KS DFT). Use effective_fock() if you want the full KS Fock matrix.

Implements sc::SCF.

Implements sc::SCF.

Implements sc::SCF.

Implements sc::SCF.

Implements sc::SCF.

Implements sc::SCF.

Implements sc::SCF.

Implements sc::SCF.

Returns the occupation. The irreducible representation and the vector number within that representation are given as arguments.

Implements sc::OneBodyWavefunction.

Print information about the object.

Reimplemented from sc::MolecularEnergy.

Implements sc::SCF.

Save the base classes (with save_data_state) and the members in the same order that the StateIn CTOR initializes them. This must be implemented by the derived class if the class has data.

Reimplemented from sc::MolecularEnergy.

Implements sc::SCF.

Implements sc::SCF.

Return 1 if the alpha density is not equal to the beta density.

Implements sc::Wavefunction.

Call this if you have changed the molecular symmetry of the molecule contained by this MolecularEnergy.

Reimplemented from sc::MolecularEnergy.

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Tue Jun 7 2022 Version 2.3.1
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