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adenine ... thymine (WC) (2.0)

MP2/CBS extrapolation: cc-pVTZ to cc-pVQZ, CCSD(T) correction in cc-pVDZ basis set

From Dataset: S22x5: S22 in nonequilibrium geometries

Dataset reference: L. Gráfová, M. Pitoňák, J. Řezáč, P. Hobza; J. Chem. Thory Comput. 2010, ASAP article

Optimization level: MP2/cc-pVTZ (shifted in H-bond axis to 2.0 original H-bond distance)

Tags: complex, 2 h-bond, S22x5, shifted, longer


Structure:

30

N 0.000000000 0.000000000 0.000000000
C -0.738685058 -0.157889771 1.110355410
C -2.139452884 -0.168053559 0.964712563
C -2.629497187 -0.008665792 -0.331201352
N -1.918309833 0.152634753 -1.454844039
C -0.614262216 0.143659867 -1.193547121
N -3.152980999 -0.310697201 1.883518666
C -4.247466012 -0.237200328 1.144874976
N -3.994250734 -0.056604504 -0.187030096
N -0.136179412 -0.289433845 2.300428025
H 0.055161346 0.265959015 -2.035655088
H -5.252585445 -0.308958331 1.525406574
H -4.668404863 0.026245320 -0.929656824
H 0.876876426 -0.329105732 2.359811410
H -0.708581316 -0.452407073 3.108240602
N 6.674814021 0.155627547 -1.128075158
C 7.367684644 -0.031573530 0.039652507
C 6.746068851 -0.213180550 1.225999310
C 5.290427827 -0.205459536 1.237959001
N 4.679560621 -0.008913767 0.013109028
C 5.293170188 0.176239188 -1.205417098
C 7.465340581 -0.419950938 2.517000917
O 4.622045747 -0.362031655 2.261654302
O 4.694940759 0.342506569 -2.253367774
H 7.155119787 0.288458351 -2.002300903
H 3.637704380 0.000000000 0.000000000
H 8.444929336 -0.024779868 -0.049650000
H 7.195760366 0.354841198 3.233018736
H 7.184652438 -1.373098243 2.962397530
H 8.543112064 -0.403617008 2.368385087

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Energies:

method counterpoise corrected remark value
CCSD(T)/CBS yes -2.59