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All results from a given calculation for H2O (Water)

using model chemistry: MP2/aug-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 MP2/aug-cc-pVDZ
 hartrees
Energy at 0K-76.260910
Energy at 298.15K-76.262006
HF Energy-76.040775
Nuclear repulsion energy9.114337
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 MP2/aug-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 3805 3649 4.15 104.07 0.04 0.08
2 A1 1622 1555 67.55 1.95 0.63 0.78
3 B2 3939 3778 67.21 24.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4682.7 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 4490.7 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 MP2/aug-cc-pVDZ
ABC
26.59018 14.45359 9.36375

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.119
H2 0.000 0.761 -0.476
H3 0.000 -0.761 -0.476

Atom - Atom Distances (Å)
  O1 H2 H3
O10.96580.9658
H20.96581.5214
H30.96581.5214

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 103.924
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability