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16 Peptide ... 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:

15

C   -0.724304641  -0.704935825   2.283867859
H    0.335318283  -0.629943250   2.053182351
H   -0.951696658  -1.711989614   2.625651462
H   -0.969627843  -0.022079551   3.093765375
C   -1.614935007  -0.387429252   1.104068969
O   -2.837323872  -0.415022087   1.194132775
N   -0.953420370  -0.076404425  -0.040819796
H    0.053808603  -0.075566509  -0.036640221
C   -1.658123974   0.250093582  -1.258553059
H   -2.720371971   0.176944439  -1.046652698
H   -1.430304932   1.262962631  -1.588093844
H   -1.405626109  -0.444335178  -2.058583584
O    2.102777071  -0.058406974  -0.155076686
H    2.667754355  -0.771365595  -0.460276092
H    2.682528689   0.705786590  -0.131178192

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Energies:

method counterpoise corrected remark value
CCSD(T)/CBS(aDZ) yes -5.124
CCSD(T)/CBS(haTZ) yes -5.167
CCSD(T)/CBS(haD->TZ) yes -5.199
MP2/cc-pVTZ yes -4.856
MP2/aug-cc-pVDZ yes -4.63
MP2/CBS yes -5.148
MP2C/CBS yes -5.167
SCS-MP2/CBS yes -4.61
SCS-MI-MP2/CBS yes -5.016
DW-MP2/CBS yes -5.147
MP3/CBS yes -5.072
MP2.5/CBS yes -5.11
CCSD/CBS yes -4.886
SCS-CCSD/CBS yes -5.02
SCS-MI-CCSD/CBS yes -5.158