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All results from a given calculation for H2O (Water)

using model chemistry: B3LYP/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 B3LYP/cc-pVDZ
 hartrees
Energy at 0K-76.420627
Energy at 298.15K-76.421724
HF Energy-76.420627
Nuclear repulsion energy9.091264
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 B3LYP/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 3753 3640 2.92 75.64 0.17 0.29
2 A1 1660 1610 55.63 6.09 0.52 0.69
3 B2 3853 3738 19.85 37.47 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4632.7 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 4493.7 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 B3LYP/cc-pVDZ
ABC
25.70452 14.62620 9.32191

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/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 0.756 -0.484
H3 0.000 -0.756 -0.484

Atom - Atom Distances (Å)
  O1 H2 H3
O10.96860.9686
H20.96861.5124
H30.96861.5124

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 102.649
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.262      
2 H 0.131      
3 H 0.131      


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 -1.939 1.939
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.000 0.000 0.000
y 0.000 -4.338 0.000
z 0.000 0.000 -5.875
Traceless
 xyz
x -1.894 0.000 0.000
y 0.000 2.100 0.000
z 0.000 0.000 -0.206
Polar
3z2-r2-0.412
x2-y2-2.662
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.475 0.000 0.000
y 0.000 1.097 0.000
z 0.000 0.000 0.829


<r2> (average value of r2) Å2
<r2> 5.313
(<r2>)1/2 2.305