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04 HF dimer

From Dataset: A24 data set: accurate CCSD(T)/CBS interaction energies with further corrections

Dataset reference: Řezáč J., Hobza P., J. Chem. Theory Comput. 2013, 9, 2151−2155

Optimization level: CCSD(T)/CBS (MP2/CBS from aug-cc-pVTZ to aug-cc-pVQZ extrapolation, CCSD(T) correction calculated in aug-cc-pVDZ)

Tags: 1 h-bond, FH-F


Structure:

4

H    0.000000000   0.802679820   1.695293290
F    0.000000000  -0.045966660   1.340348180
H    0.000000000  -0.120407870  -0.490828400
F    0.000000000   0.009769450  -1.404249780

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Energies:

method counterpoise corrected remark value
CCSD(T)/CBS yes -4.581
core correlation/CBS ( ) yes -0.025
relativity/aug-cc-pVQZ-DK yes 0.017
CCSDT(Q) correction/6-31G**(0.25,0.15) yes 0.017