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All results from a given calculation for H2O (Water)

using model chemistry: CCSD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD/cc-pVDZ
 hartrees
Energy at 0K-76.238206
Energy at 298.15K-76.239304
HF Energy-76.026247
Nuclear repulsion energy9.127543
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3846 3644 4.45      
2 A1 1697 1607 56.15      
3 B2 3951 3742 22.62      

Unscaled Zero Point Vibrational Energy (zpe) 4746.7 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 4496.5 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCSD/cc-pVDZ
ABC
25.64097 14.83676 9.39847

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.121
H2 0.000 0.751 -0.485
H3 0.000 -0.751 -0.485

Atom - Atom Distances (Å)
  O1 H2 H3
O10.96490.9649
H20.96491.5016
H30.96491.5016

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 102.180
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability