Scine::Sparrow
5.0.0
Library for fast and agile quantum chemical calculations with semiempirical methods.
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calculates the expansion coefficients for a new set of atomic positions. The coefficients are recovered by a DIIS-type procedure on error vectors calculated by the difference in coordinate. See Accelerating Wave Function Convergence in Interactive QuantumChemical Reactivity Studies Adrian H. Mühlbach, Alain C. Vaucher, and Markus Reiher for implementation details. Electronic states vectors are extrapolated instead of density matrices. More...
#include <GuessPropagator.h>
calculates the expansion coefficients for a new set of atomic positions. The coefficients are recovered by a DIIS-type procedure on error vectors calculated by the difference in coordinate. See Accelerating Wave Function Convergence in Interactive QuantumChemical Reactivity Studies Adrian H. Mühlbach, Alain C. Vaucher, and Markus Reiher for implementation details. Electronic states vectors are extrapolated instead of density matrices.