Analytical Hartree-Fock gradients for periodic systems
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❄️ cond-mat.mtrl-sci
keywords
gradientsperiodicsystemsanalyticalhartree-fockaccuratealgorithmcode
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We present the theory of analytical Hartree-Fock gradients for periodic systems as implemented in the code CRYSTAL. We demonstrate how derivatives of the integrals can be computed with the McMurchie-Davidson algorithm. Highly accurate gradients with respect to nuclear coordinates are obtained for systems periodic in 0,1,2 or 3 dimensions.
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