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All results from a given calculation for H2O (Water)

using model chemistry: wB97X-D/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/CEP-121G*
 hartrees
Energy at 0K-17.172015
Energy at 298.15K-17.173112
HF Energy-17.172015
Nuclear repulsion energy6.933290
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 wB97X-D/CEP-121G*
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 3838 3838 0.74 83.93 0.19 0.32
2 A1 1696 1696 93.23 6.48 0.56 0.72
3 B2 3969 3969 22.56 42.43 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4751.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4751.4 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 wB97X-D/CEP-121G*
ABC
27.62494 14.22067 9.38796

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-121G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.117
H2 0.000 0.767 -0.467
H3 0.000 -0.767 -0.467

Atom - Atom Distances (Å)
  O1 H2 H3
O10.96390.9639
H20.96391.5338
H30.96391.5338

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 105.433
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.848      
2 H 0.424      
3 H 0.424      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -2.246 2.246
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.498 0.000 0.000
y 0.000 -4.149 0.000
z 0.000 0.000 -6.208
Traceless
 xyz
x -2.320 0.000 0.000
y 0.000 2.704 0.000
z 0.000 0.000 -0.384
Polar
3z2-r2-0.768
x2-y2-3.350
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.645 0.000 0.000
y 0.000 1.155 0.000
z 0.000 0.000 0.887


<r2> (average value of r2) Å2
<r2> 5.412
(<r2>)1/2 2.326