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All results from a given calculation for H2O (Water)

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-76.405443
Energy at 298.15K-76.406540
HF Energy-76.405443
Nuclear repulsion energy9.054004
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 BLYP/6-31G(2df,p)
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 3653 3633 0.30 70.01 0.16 0.28
2 A1 1644 1635 61.32 4.64 0.60 0.75
3 B2 3757 3736 14.72 31.48 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4526.9 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 4502.0 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 BLYP/6-31G(2df,p)
ABC
25.58396 14.47604 9.24499

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.121
H2 0.000 0.760 -0.485
H3 0.000 -0.760 -0.485

Atom - Atom Distances (Å)
  O1 H2 H3
O10.97250.9725
H20.97251.5202
H30.97251.5202

picture of Water state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 H3 102.806
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.549      
2 H 0.274      
3 H 0.274      


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 -1.798 1.798
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -7.139 0.000 0.000
y 0.000 -4.406 0.000
z 0.000 0.000 -5.949
Traceless
 xyz
x -1.961 0.000 0.000
y 0.000 2.138 0.000
z 0.000 0.000 -0.176
Polar
3z2-r2-0.353
x2-y2-2.733
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.672 0.000 0.000
y 0.000 1.243 0.000
z 0.000 0.000 0.988


<r2> (average value of r2) Å2
<r2> 5.386
(<r2>)1/2 2.321