期刊
JOURNAL OF CHEMICAL THEORY AND COMPUTATION
卷 10, 期 5, 页码 1968-1979出版社
AMER CHEMICAL SOC
DOI: 10.1021/ct401044h
关键词
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资金
- TAMOP
- European Union
- European Social Fund [TAMOP 4.2.1/B-09/1/KMR-2010-0003]
- CEU-IAS (Budapest)
- Orszagos Tudomanyos Kutatasi Alap (OTKA) [F104672]
Analytical forces have been derived in the Lagrangian framework for several random phase approximation (RPA) correlated total energy methods based on the range separated hybrid (RSH) approach, which combines a short-range density functional approximation for the short-range exchange-correlation energy with a Hartree-Fock-type long-range exchange and RPA long-range correlation. The RPA correlation energy has been expressed as a ring coupled cluster doubles (rCCD) theory. The resulting analytical gradients have been implemented and tested for geometry optimization of simple molecules and intermolecular charge transfer complexes, where intermolecular interactions are expected to have a non-negligible effect even on geometrical parameters of the monomers.
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