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RDKit
Open-source cheminformatics and machine learning.
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the torsion term for multiplicity m = 1 - 6 More...
#include <TorsionAngleM6.h>
Public Member Functions | |
| TorsionAngleContribM6 () | |
| TorsionAngleContribM6 (ForceFields::ForceField *owner, unsigned int idx1, unsigned int idx2, unsigned int idx3, unsigned int idx4, const std::vector< double > &V, const std::vector< int > &signs) | |
| Constructor. More... | |
| double | getEnergy (double *pos) const |
| returns our contribution to the energy of a position More... | |
| void | getGrad (double *pos, double *grad) const |
| calculates our contribution to the gradients of a position More... | |
| virtual TorsionAngleContribM6 * | copy () const |
| return a copy More... | |
Public Member Functions inherited from ForceFields::ForceFieldContrib | |
| ForceFieldContrib () | |
| ForceFieldContrib (ForceFields::ForceField *owner) | |
| virtual | ~ForceFieldContrib () |
Additional Inherited Members | |
Protected Attributes inherited from ForceFields::ForceFieldContrib | |
| ForceField * | dp_forceField |
| our owning ForceField More... | |
the torsion term for multiplicity m = 1 - 6
Definition at line 32 of file TorsionAngleM6.h.
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inline |
Definition at line 34 of file TorsionAngleM6.h.
| ForceFields::CrystalFF::TorsionAngleContribM6::TorsionAngleContribM6 | ( | ForceFields::ForceField * | owner, |
| unsigned int | idx1, | ||
| unsigned int | idx2, | ||
| unsigned int | idx3, | ||
| unsigned int | idx4, | ||
| const std::vector< double > & | V, | ||
| const std::vector< int > & | signs | ||
| ) |
Constructor.
The torsion is between atom1 - atom2 - atom3 - atom4 (i.e the angle between bond atom1-atom2 and bond atom3-atom4 while looking down bond atom2-atom3)
| owner | pointer to the owning ForceField |
| idx1 | index of atom1 in the ForceField's positions |
| idx2 | index of atom2 in the ForceField's positions |
| idx3 | index of atom3 in the ForceField's positions |
| idx4 | index of atom4 in the ForceField's positions |
| V | list of 6 force constants |
| signs | list of 6 signs (+1 or -1) |
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inlinevirtual |
return a copy
Implements ForceFields::ForceFieldContrib.
Definition at line 56 of file TorsionAngleM6.h.
References ForceFields::CrystalFF::calcTorsionEnergyM6().
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virtual |
returns our contribution to the energy of a position
Implements ForceFields::ForceFieldContrib.
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virtual |
calculates our contribution to the gradients of a position
Implements ForceFields::ForceFieldContrib.