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08 MeOH ... Water

From Dataset: S66: A Well-balanced Database of Benchmark Interaction Energies Relevant to Biomolecular Structure

Dataset reference: Řezáč, J., Riley, K.E., Hobza, P., J. Chem. Theory Comput. (2011), DOI: 10.1021/ct2002946

Optimization level: MP2/cc-pVTZ (interpolated CCSD(T)/CBS minimum)

Tags: h-bond


Structure:

9

O   -0.786562022   0.045168441  -0.007189119
H    0.177706774   0.012695896  -0.006835389
C   -1.247990941  -1.290283536   0.001083621
H   -2.334277443  -1.258897100   0.000221200
H   -0.925965746  -1.849768096  -0.880445382
H   -0.927027831  -1.838462882   0.890076520
O    2.128883141  -0.051336604  -0.004740935
H    2.568087280   0.336815595  -0.764613617
H    2.566767435   0.351267675   0.748348597

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Energies:

method counterpoise corrected remark value
CCSD(T)/CBS(aDZ) yes -5.009
CCSD(T)/CBS(haTZ) yes -5.052
CCSD(T)/CBS(haD->TZ) yes -5.087
MP2/cc-pVTZ yes -4.66
MP2/aug-cc-pVDZ yes -4.463
MP2/CBS yes -5.031
MP2C/CBS yes -5.045
SCS-MP2/CBS yes -4.516
SCS-MI-MP2/CBS yes -4.954
DW-MP2/CBS yes -5.031
MP3/CBS yes -4.965
MP2.5/CBS yes -4.998
CCSD/CBS yes -4.792
SCS-CCSD/CBS yes -4.876
SCS-MI-CCSD/CBS yes -5.028