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01 water ... ammonia

From Dataset: A24 data set: accurate CCSD(T)/CBS interaction energies with further corrections

Dataset reference: Řezáč J., Hobza P., J. Chem. Theory Comput. 2013, 9, 2151−2155

Optimization level: CCSD(T)/CBS (MP2/CBS from aug-cc-pVTZ to aug-cc-pVQZ extrapolation, CCSD(T) correction calculated in aug-cc-pVDZ)

Tags: 1 h-bond, OH-N


Structure:

7

O    0.000000000  -0.057865710  -1.479793030
H    0.000000000   0.822933840  -1.855414740
H    0.000000000   0.079495670  -0.519342530
N    0.000000000   0.014363940   1.464546280
H    0.000000000  -0.981048570   1.653447790
H   -0.813483510   0.398767760   1.929340490
H    0.813483510   0.398767760   1.929340490

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Energies:

method counterpoise corrected remark value
CCSD(T)/CBS yes -6.493
core correlation/CBS ( ) yes -0.041
relativity/aug-cc-pVQZ-DK yes 0.009
CCSDT(Q) correction/6-31G**(0.25,0.15) yes 0.001