tblite
Light-weight tight-binding framework
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tblite_ncoord_erf Module Reference

Coordination number implementation with single error function for the CEH and GP3-xTB methods. More...

Data Types

type  erf_ncoord_type
 Coordination number evaluator. More...
 

Functions/Subroutines

subroutine, public new_erf_ncoord (self, mol, kcn, cutoff, rcov)
 

Variables

real(wp), parameter default_kcn = 3.15_wp
 Steepness of counting function (CEH)
 

Detailed Description

Coordination number implementation with single error function for the CEH and GP3-xTB methods.

Function/Subroutine Documentation

◆ new_erf_ncoord()

subroutine, public tblite_ncoord_erf::new_erf_ncoord ( type(erf_ncoord_type), intent(out) self,
type(structure_type), intent(in) mol,
real(wp), optional kcn,
real(wp), intent(in), optional cutoff,
real(wp), dimension(:), intent(in), optional rcov )
Parameters
[out]selfCoordination number container
[in]molMolecular structure data
kcnSteepness of counting function
[in]cutoffReal space cutoff
[in]rcovCovalent radii