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I...C WC

H-bonded, 2 h-bond, planar

From Dataset: JSCH-2005 – benchmark noncovalent complexes

Dataset reference: P. Jurecka, J. Sponer, J. Cerny, P. Hobza; Phys Chem Chem Phys 2006, 8 (17), 1985-1993

Optimization level: MP2/cc-pVTZ (RI- Resolution of Identity approximation used, aug-cc-pVTZ to aug-cc-pVQZ Helgaker extrapolation at )

Tags: Complex, JSCH-2005, H-bond, Watson-Crick


Structure:

27

C    -0.0399020     0.0000000    -0.0353727
N    -0.0114814     0.0000000     1.3676751
C     1.1387066     0.0000000     2.0831816
C     2.3367544     0.0000000     1.4511865
C     2.3093819     0.0000000     0.0167889
N     1.1708246     0.0000000    -0.6653863
O    -1.1150036     0.0000000    -0.6203815
N     3.4490015     0.0000000    -0.6790500
H    -0.9108314     0.0000000     1.8214404
H     1.0410884     0.0000000     3.1587270
H     3.2607830     0.0000000     2.0056829
H     4.3278873     0.0000000    -0.1979709
H     3.4179786     0.0000000    -1.7058513
O     3.2403090     0.0000000    -3.4870523
C     2.1818608     0.0000000    -4.1224126
N     0.9469308     0.0000000    -3.4715093
C    -0.2749703     0.0000000    -4.0613039
N    -0.4833351     0.0000000    -5.3532242
C     0.6850532     0.0000000    -6.0363493
C     1.9918547     0.0000000    -5.5441185
N     2.9083577     0.0000000    -6.5651625
C     2.1671699     0.0000000    -7.6581930
N     0.8245995     0.0000000    -7.3970665
H    -1.1112956     0.0000000    -3.3753120
H     0.9890303     0.0000000    -2.4307715
H     2.5507838     0.0000000    -8.6645924
H     0.0674277     0.0000000    -8.0602299


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Reference: J. Šponer, P. Jurečka, P. Hobza; J Am Chem Soc 2004, 126, 10142–10152


Energies:

method counterpoise corrected remark value
CCSD(T)/CBS no -24.9