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04 Water ... Peptide

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:

15

O   -0.392018453  -0.384718737   0.076071325
H   -0.911460851   0.413812040   0.177648774
H    0.524903820  -0.068484694   0.090511364
C    2.197705212  -2.245403490  -0.230313251
H    2.847668055  -3.106515367  -0.363228638
H    1.516729242  -2.167931431  -1.074178526
H    1.584688314  -2.384199477   0.656695112
C    2.952437290  -0.947390613  -0.097719744
O    2.375721843   0.127904243   0.058868998
N    4.303070413  -1.044893297  -0.162337713
H    4.704022041  -1.955427276  -0.291852811
C    5.171312525   0.107077163  -0.052894631
H    4.534818395   0.975377606   0.081889976
H    5.836902032   0.015621965   0.803198250
H    5.765778248   0.236497652  -0.955153818

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Energies:

method counterpoise corrected remark value
CCSD(T)/CBS(aDZ) yes -8.103
CCSD(T)/CBS(haTZ) yes -8.169
CCSD(T)/CBS(haD->TZ) yes -8.22
MP2/cc-pVTZ yes -6.843
MP2/aug-cc-pVDZ yes -7.076
MP2/CBS yes -8.071
MP2C/CBS yes -8.004
SCS-MP2/CBS yes -7.26
SCS-MI-MP2/CBS yes -8.003
DW-MP2/CBS yes -8.071
MP3/CBS yes -8.055
MP2.5/CBS yes -8.063
CCSD/CBS yes -7.802
SCS-CCSD/CBS yes -7.9
SCS-MI-CCSD/CBS yes -8.163