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All results from a given calculation for H2OH2O (water dimer)

using model chemistry: CCSD/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/aug-cc-pVDZ
 hartrees
Energy at 0K-152.545251
Energy at 298.15K 
HF Energy-152.087922
Nuclear repulsion energy36.292045
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCSD/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at CCSD/aug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.091 0.573 0.000
O2 -0.001 1.538 0.000
O3 -0.001 -1.407 0.000
H4 0.905 1.866 0.000
H5 -0.489 -1.741 0.763
H6 -0.489 -1.741 -0.763

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 H6
H10.96951.98201.52802.50382.5038
O20.96952.94500.96343.40113.4011
O31.98202.94503.39620.96490.9649
H41.52800.96343.39623.94093.9409
H52.50383.40110.96493.94091.5255
H62.50383.40110.96493.94091.5255

picture of water dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 H4 104.462 H1 O3 H5 111.630
H1 O3 H6 111.630 O2 H1 O3 171.884
H5 O3 H6 104.474
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability