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All results from a given calculation for H2O (Water)

using model chemistry: B3PW91/cc-pCVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/cc-pCVDZ
 hartrees
Energy at 0K-76.396193
Energy at 298.15K-76.397290
HF Energy-76.396193
Nuclear repulsion energy9.113812
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 B3PW91/cc-pCVDZ
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 3796 3796 5.57      
2 A1 1661 1661 57.75      
3 B2 3902 3902 28.51      

Unscaled Zero Point Vibrational Energy (zpe) 4679.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4679.2 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 B3PW91/cc-pCVDZ
ABC
25.88725 14.68006 9.36780

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pCVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.121
H2 0.000 0.755 -0.483
H3 0.000 -0.755 -0.483

Atom - Atom Distances (Å)
  O1 H2 H3
O10.96620.9662
H20.96621.5096
H30.96621.5096

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 102.744
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pCVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.273      
2 H 0.137      
3 H 0.137      


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 -1.962 1.962
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -6.998 0.000 0.000
y 0.000 -4.285 0.000
z 0.000 0.000 -5.859
Traceless
 xyz
x -1.926 0.000 0.000
y 0.000 2.144 0.000
z 0.000 0.000 -0.218
Polar
3z2-r2-0.436
x2-y2-2.713
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.477 0.000 0.000
y 0.000 1.070 0.000
z 0.000 0.000 0.818


<r2> (average value of r2) Å2
<r2> 5.290
(<r2>)1/2 2.300