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All results from a given calculation for H2O (Water)

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-76.237549
Energy at 298.15K-76.238645
HF Energy-76.030649
Nuclear repulsion energy9.172904
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 MP3/6-31+G**
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 3936 3663 8.20      
2 A1 1654 1539 92.11      
3 B2 4057 3775 55.16      

Unscaled Zero Point Vibrational Energy (zpe) 4823.8 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 4488.5 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 MP3/6-31+G**
ABC
28.01222 14.32218 9.47683

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.116
H2 0.000 0.764 -0.464
H3 0.000 -0.764 -0.464

Atom - Atom Distances (Å)
  O1 H2 H3
O10.95920.9592
H20.95921.5283
H30.95921.5283

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 105.621
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability