Hydrogen bonding in infinite hydrogen fluoride and hydrogen chloride chains

Abstract

Hydrogen bonding in infinite HF and HCl bent (zigzag) chains is studied using the ab initio coupled-cluster singles and doubles (CCSD) correlation method. The correlation contribution to the binding energy is decomposed in terms of nonadditive many-body interactions between the monomers in the chains, the so-called energy increments. Van der Waals constants for the two-body dispersion interaction between distant monomers in the infinite chains are extracted from this decomposition. They allow a partitioning of the correlation contribution to the binding energy into short- and long-range terms. This finding affords a significant reduction in the computational effort of ab initio calculations for solids as only the short-range part requires a sophisticated treatment whereas the long-range part can be summed immediately to infinite distances.

9 pages, 4 figures, 3 tables, RevTeX4, corrected typos

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Cited by in corpus (3)

• Molecular Cluster Perturbation Theory. I. Formalism
• Quasiparticle band structure of infinite hydrogen fluoride and hydrogen chloride chains
• A priori Wannier functions from modified Hartree-Fock and Kohn-Sham equations