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59 Ethyne ... Water (CH-O)

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: mixed


Structure:

7

C   -1.006867219  -0.030568213  -0.024772854
H    0.059003329  -0.060939737  -0.049365618
C   -2.218743796   0.003173470   0.002599196
H   -3.279277302   0.033524906   0.027200480
O    2.263904602  -0.145570055  -0.115470815
H    2.834261017  -0.735339436   0.381556111
H    2.835900444   0.205417967  -0.800842969

save structure as file..



Energies:

method counterpoise corrected remark value
CCSD(T)/CBS(aDZ) yes -2.85
CCSD(T)/CBS(haTZ) yes -2.899
CCSD(T)/CBS(haD->TZ) yes -2.927
MP2/cc-pVTZ yes -2.761
MP2/aug-cc-pVDZ yes -2.529
MP2/CBS yes -2.873
MP2C/CBS yes -2.863
SCS-MP2/CBS yes -2.553
SCS-MI-MP2/CBS yes -2.939
DW-MP2/CBS yes -2.873
MP3/CBS yes -2.878
MP2.5/CBS yes -2.876
CCSD/CBS yes -2.731
SCS-CCSD/CBS yes -2.705
SCS-MI-CCSD/CBS yes -2.851